Peptide Research Database

A synthetic gastric pentadecapeptide derived from a protein found in human gastric juice. BPC-157 promotes angiogenesis and the expression of growth f...

Thymosin Beta-4 is a 43-amino acid actin-sequestering protein involved in cell migration, differentiation, and tissue repair. It promotes wound healin...

A naturally occurring copper-binding tripeptide (glycyl-L-histidyl-L-lysine) found in human plasma, saliva, and urine. GHK-Cu activates tissue remodel...

A naturally occurring nonapeptide (Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu) originally isolated from cerebral venous blood of rabbits during induced sleep...

A semi-synthetic sulfated polysaccharide derived from beechwood hemicellulose with structural similarities to glycosaminoglycans. Pentosan polysulfate...

A glucagon-like peptide-1 receptor agonist (GLP-1 RA) with 94% amino acid homology to native GLP-1. Semaglutide enhances glucose-dependent insulin sec...

A first-in-class dual glucose-dependent insulinotropic polypeptide (GIP) and GLP-1 receptor agonist. Tirzepatide activates both incretin pathways simu...

An investigational triple hormone receptor agonist targeting GLP-1, GIP, and glucagon receptors simultaneously. The glucagon receptor component adds t...

A modified 16-amino acid fragment (amino acids 176-191) of the C-terminus of human growth hormone with an added tyrosine at the N-terminus. AOD-9604 r...

A GLP-1 receptor agonist with 97% homology to native GLP-1, modified with a fatty acid side chain (C-16 palmitoyl) enabling albumin binding and a half...

A synthetic version of exendin-4, a 39-amino acid peptide originally isolated from the saliva of the Gila monster lizard (Heloderma suspectum). Exenat...

A 29-amino acid peptide hormone produced by alpha cells of the pancreatic islets of Langerhans. Glucagon acts primarily on hepatocytes via the glucago...

A synthetic analog of amylin (islet amyloid polypeptide), a 37-amino acid peptide hormone co-secreted with insulin from pancreatic beta cells. Pramlin...

A long-acting GLP-1 receptor agonist consisting of a GLP-1 analog covalently linked to a modified human IgG4 Fc fragment via a peptide linker. This fu...

A selective GLP-1 receptor agonist derived from exendin-4 with a modified C-terminal tail containing six lysine residues. Lixisenatide has a half-life...

A cyclic peptide melanocortin-4 receptor (MC4R) agonist designed to restore MC4R signaling in patients with obesity caused by genetic deficiencies in ...

A synthetic analog of growth hormone-releasing hormone (GHRH) with a Drug Affinity Complex (DAC) that binds to albumin, extending its half-life from m...

A highly selective growth hormone secretagogue that acts on ghrelin/GHS receptors in the pituitary gland to stimulate GH release. Unlike other GH secr...

A synthetic 29-amino acid analog of GHRH representing the shortest fully functional fragment of the native 44-amino acid hormone. Sermorelin stimulate...

A synthetic GHRH analog consisting of the 44-amino acid sequence of human GHRH with a trans-3-hexenoic acid modification at the N-terminus to improve ...

A synthetic cyclic heptapeptide melanocortin receptor agonist that activates MC3R and MC4R in the central nervous system. Unlike PDE5 inhibitors that ...

A neuropeptide encoded by the KISS1 gene that serves as the master upstream regulator of the hypothalamic-pituitary-gonadal (HPG) axis. Kisspeptin act...

A nine-amino acid cyclic neuropeptide produced in the hypothalamus and released from the posterior pituitary. Oxytocin mediates uterine contractions d...

A synthetic hexapeptide growth hormone secretagogue that acts on the ghrelin receptor (GHS-R1a) in the hypothalamus and pituitary to stimulate growth ...

A synthetic hexapeptide growth hormone secretagogue that stimulates the anterior pituitary via GHS-R1a receptor activation. GHRP-6 produces significan...

A synthetic hexapeptide growth hormone secretagogue with the highest GH-releasing potency among GHRPs. Hexarelin binds both GHS-R1a and CD36 (scavenge...

An orally bioavailable, non-peptide growth hormone secretagogue that mimics the action of ghrelin at the GHS-R1a receptor. MK-677 stimulates sustained...

An orally bioavailable growth hormone secretagogue approved as a diagnostic agent for adult growth hormone deficiency (AGHD). Macimorelin stimulates G...

A synthetic peptide consisting of the first 24 amino acids of the 39-amino acid adrenocorticotropic hormone (ACTH). Cosyntropin retains full biologica...

A synthetic decapeptide identical to endogenous gonadotropin-releasing hormone. Gonadorelin stimulates the release of luteinizing hormone (LH) and fol...

A synthetic nonapeptide GnRH agonist approximately 15-fold more potent than native GnRH. After an initial stimulatory phase (flare effect) lasting 1-2...

A synthetic decapeptide GnRH agonist administered as a biodegradable subcutaneous implant that provides sustained drug release over 1 or 3 months. Lik...

A synthetic decapeptide GnRH antagonist that competitively blocks pituitary GnRH receptors, producing immediate and dose-dependent suppression of LH a...

A synthetic decapeptide GnRH antagonist that competitively and reversibly blocks GnRH receptors on pituitary gonadotroph cells. Ganirelix rapidly supp...

A long-acting synthetic analog of oxytocin with a modified disulfide bridge that confers resistance to enzymatic degradation. Carbetocin has a half-li...

A competitive oxytocin/vasopressin V1a receptor antagonist used as a tocolytic agent to delay preterm labor. Atosiban blocks oxytocin-mediated myometr...

A synthetic heptapeptide analog of the ACTH(4-7) fragment (Met-Glu-His-Phe-Pro-Gly-Pro) with nootropic and neuroprotective properties. Semax modulates...

A synthetic analog of the endogenous tetrapeptide tuftsin (Thr-Lys-Pro-Arg) with an added Pro-Gly-Pro sequence for stability. Selank exhibits anxiolyt...

A porcine brain-derived peptide preparation consisting of low-molecular-weight neuropeptides and free amino acids that mimic the action of endogenous ...

A small synthetic peptide derived from the active region of ciliary neurotrophic factor (CNTF) designed to promote neurogenesis and synaptic plasticit...

A synthetic tetrapeptide (Ala-Glu-Asp-Gly) based on the natural epithalamin peptide produced by the pineal gland. Epithalon activates telomerase, the ...

A mitochondrial-derived peptide encoded by the 12S rRNA gene of mitochondrial DNA. MOTS-c is a 16-amino acid peptide that acts as an exercise mimetic ...

A 24-amino acid mitochondrial-derived peptide encoded within the 16S rRNA region of mitochondrial DNA. Humanin exerts cytoprotective and neuroprotecti...

Nicotinamide mononucleotide (NMN) is a direct biosynthetic precursor to nicotinamide adenine dinucleotide (NAD+), a coenzyme essential for cellular me...

A mitochondria-targeted tetrapeptide (D-Arg-dimethylTyr-Lys-Phe-NH2) that selectively concentrates in the inner mitochondrial membrane by binding to c...

A D-retro-inverso peptide designed to disrupt the interaction between FOXO4 and p53 in senescent cells. In senescent cells, FOXO4 sequesters p53 away ...

A peptide bioregulator originally extracted from bovine thymus gland, consisting of a mixture of polypeptides that modulate immune function. Thymalin ...

The only human cathelicidin antimicrobial peptide, a 37-amino acid cationic peptide cleaved from the precursor protein hCAP18. LL-37 disrupts microbia...

A 28-amino acid neuropeptide widely distributed in the central and peripheral nervous systems and immune cells. VIP acts through VPAC1 and VPAC2 recep...

A 28-amino acid peptide originally isolated from thymic tissue (thymosin fraction 5) that serves as a potent immunomodulator. Thymosin alpha 1 enhance...

A synthetic pentapeptide (Arg-Lys-Asp-Val-Tyr) corresponding to residues 32-36 of thymopoietin, a thymic hormone involved in T-cell differentiation. T...

A zinc-containing nonapeptide (facteur thymique serique) produced exclusively by thymic epithelial cells. Thymulin requires zinc for biological activi...

A C-terminal tripeptide fragment (Lys-Pro-Val) of alpha-melanocyte-stimulating hormone (alpha-MSH) that retains potent anti-inflammatory activity with...

A 36-amino acid synthetic peptide that inhibits HIV-1 entry into CD4+ T-cells by blocking the gp41-mediated membrane fusion step. Enfuvirtide binds to...

A synthetic cyclic analog of alpha-melanocyte stimulating hormone (alpha-MSH) that non-selectively activates melanocortin receptors MC1R through MC5R....

A recombinant form of the first 34 amino acids of human parathyroid hormone (PTH 1-34). When administered intermittently via daily subcutaneous inject...

A synthetic 34-amino acid peptide analog of parathyroid hormone-related protein (PTHrP 1-34) that selectively activates the RG conformation of the PTH...

A 32-amino acid peptide hormone naturally produced by parafollicular C-cells of the thyroid gland. Calcitonin inhibits osteoclast-mediated bone resorp...

A C-type natriuretic peptide (CNP) analog that acts as an agonist at the natriuretic peptide receptor B (NPR-B) on growth plate chondrocytes. Vosoriti...

A nine-amino acid cyclic peptide hormone (arginine vasopressin) produced in the hypothalamus and released from the posterior pituitary. Vasopressin ac...

A synthetic analog of vasopressin with enhanced V2 receptor selectivity and minimal V1a vasopressor activity. Desmopressin has a deaminated cysteine a...

A synthetic vasopressin analog and prodrug that is cleaved by endopeptidases to release lysine-vasopressin. Terlipressin has greater V1a receptor sele...

A synthetic cyclic heptapeptide modeled after the KGD (Lys-Gly-Asp) disintegrin sequence found in the venom of the southeastern pygmy rattlesnake (Sis...

A recombinant form of human B-type natriuretic peptide (BNP), a 32-amino acid peptide naturally produced by ventricular cardiomyocytes in response to ...

A synthetic form of the endogenous octapeptide angiotensin II, the primary effector of the renin-angiotensin system. Angiotensin II acts on AT1 recept...

A synthetic 20-amino acid peptide that acts as a direct thrombin inhibitor by binding both the catalytic active site and anion-binding exosite 1 of th...

A thrombopoietin (TPO) receptor agonist consisting of a peptide sequence that binds the TPO receptor (c-Mpl) fused to an IgG1 Fc domain (peptibody). R...

A pegylated cyclic peptide that inhibits complement component C3, the central node of all three complement activation pathways (classical, lectin, and...

A tetrapeptide epoxyketone proteasome inhibitor that irreversibly binds the chymotrypsin-like (beta5) subunit of the 20S proteasome. By blocking prote...

A modified dipeptidyl boronic acid that reversibly inhibits the chymotrypsin-like activity of the 26S proteasome. Bortezomib disrupts the ubiquitin-pr...

A radiolabeled somatostatin analog consisting of the peptide DOTA-Tyr3-octreotate chelated to the beta-emitting radioisotope lutetium-177. Lutathera b...

A GnRH agonist used in oncology for androgen deprivation therapy (ADT) in prostate cancer and hormone suppression in premenopausal breast cancer. Chro...

A synthetic octapeptide analog of somatostatin with a substantially longer half-life (90 minutes IV, 6 hours subcutaneous vs. 2 minutes for native som...

A synthetic octapeptide analog of somatostatin with high affinity for SSTR2 and moderate affinity for SSTR5 receptors. Lanreotide is formulated as a s...

A multireceptor-targeted somatostatin analog with high binding affinity for SSTR1, SSTR2, SSTR3, and SSTR5, particularly notable for its 40-fold great...

A synthetic 16-amino acid peptide structurally related to uroguanylin, an endogenous intestinal peptide that regulates fluid and electrolyte homeostas...

A synthetic 14-amino acid peptide structurally related to the heat-stable enterotoxin of Escherichia coli and the endogenous peptide guanylin. Linaclo...

A 27-amino acid peptide hormone produced by S-cells of the duodenal and jejunal mucosa in response to acidic chyme entering the small intestine. Secre...

A synthetic octapeptide derived from Vibrio cholerae zonula occludens toxin that acts as a tight junction regulator. Larazotide acetate modulates inte...

A synthetic 25-amino acid peptide identical to omega-conotoxin MVIIA, a neurotoxin found in the venom of the marine cone snail Conus magus. Ziconotide...

A selective kappa-opioid receptor (KOR) agonist peptide that does not cross the blood-brain barrier, providing peripheral analgesia and anti-pruritic ...

A synthetic 11-amino acid peptide derived from the structure of erythropoietin (EPO) that selectively activates the innate repair receptor (IRR), a he...

A synthetic 13-amino acid analog of alpha-melanocyte-stimulating hormone (alpha-MSH) with a substitution of norleucine at position 4 that confers enha...

A synthetic pentapeptide containing the C-terminal tetrapeptide sequence of gastrin (Trp-Met-Asp-Phe-NH2) linked to beta-alanine. Pentagastrin stimula...

A synthetic decapeptide bradykinin B2 receptor antagonist containing five non-natural amino acids for enhanced stability and receptor selectivity. Ica...

An endogenous fatty acid amide belonging to the N-acylethanolamine family, naturally produced by cells in response to tissue damage and inflammation. ...

Orforglipron is a non-peptide, oral small-molecule glucagon-like peptide-1 receptor (GLP-1R) agonist designed to overcome the need for injectable deli...

Mazdutide is a dual glucagon-like peptide-1 (GLP-1) and glucagon receptor agonist delivered as a synthetic peptide. By co-activating both receptors, i...

Survodutide is a dual agonist targeting both the glucagon-like peptide-1 (GLP-1) and glucagon receptors, formulated as a peptide for subcutaneous admi...

CagriSema is a fixed-ratio combination of cagrilintide, an amylin analog, and semaglutide, a GLP-1 receptor agonist, both delivered as peptides via su...

Amycretin is a dual agonist targeting both the amylin and calcitonin receptors, designed as a peptide therapeutic for obesity. Amylin receptor activat...

Efinopegdutide is a long-acting dual agonist of the GLP-1 and glucagon receptors, utilizing PEGylation to extend half-life and enable once-weekly dosi...

Danuglipron is an oral, non-peptide small-molecule agonist of the GLP-1 receptor developed to provide convenient daily dosing for type 2 diabetes and ...

Ecnoglutide is a long-acting GLP-1 receptor agonist peptide designed for once-weekly subcutaneous administration. It acts by enhancing glucose-depende...

Cotadutide is a dual agonist of the GLP-1 and glucagon receptors formulated as a peptide for subcutaneous injection. It is designed to harness GLP-1-m...

Glepaglutide is a long-acting GLP-2 receptor agonist peptide developed for the treatment of short bowel syndrome. GLP-2 promotes intestinal growth, en...

Apraglutide is a long-acting glucagon-like peptide-2 (GLP-2) receptor agonist designed to promote intestinal growth and improve absorption in patients...

Teduglutide is a recombinant analogue of human glucagon-like peptide-2 (GLP-2) comprising 33 amino acids with a single amino acid substitution that co...

Beinaglutide is a recombinant glucagon-like peptide-1 (GLP-1) receptor agonist engineered with structural modifications to prolong plasma half-life an...

Albiglutide is a GLP-1 receptor agonist consisting of a tandem repeat of modified human GLP-1 sequences fused to human albumin, creating a protein of ...

Taspoglutide is a long-acting glucagon-like peptide-1 (GLP-1) receptor agonist derived from human GLP-1 with amino acid substitutions designed to resi...

Pemvidutide is a dual receptor agonist targeting both glucagon-like peptide-1 (GLP-1) and glucagon receptors, designed to combine the insulinotropic a...

Cagrilintide is a long-acting amylin analogue engineered with structural modifications to extend half-life and enable once-weekly dosing for the treat...

Enlicitide is an investigational peptide agonist designed to modulate metabolic pathways involved in energy balance and glucose homeostasis. Limited p...

Capromorelin is a selective ghrelin receptor agonist, or growth hormone secretagogue, that mimics the endogenous peptide hormone ghrelin by binding to...

Anamorelin is an orally active selective ghrelin receptor agonist designed to stimulate appetite and promote anabolic processes by mimicking endogenou...

Relamorelin is a synthetic pentapeptide ghrelin receptor agonist designed to stimulate growth hormone secretion and promote gastric motility. It binds...

Modified GRF 1-29 is a synthetic analogue of growth hormone releasing hormone (GHRH) comprising 29 amino acids with four amino acid substitutions to e...

Tabimorelin is an orally active synthetic ghrelin mimetic and selective GHS-R1a agonist developed to stimulate growth hormone release. Unlike peptide ...

Somatropin is recombinant human growth hormone (rhGH) consisting of 191 amino acids identical in sequence to endogenous pituitary growth hormone. It b...

Somapacitan is a long-acting growth hormone analogue engineered by attaching an albumin-binding moiety to recombinant human growth hormone. This modif...

Lonapegsomatropin is a long-acting prodrug of somatropin created through site-specific PEGylation that releases active growth hormone after administra...

Pegvisomant is a PEGylated growth hormone receptor antagonist engineered from human growth hormone with nine amino acid substitutions that confer anta...

Mecasermin is recombinant human insulin-like growth factor 1 (IGF-1) consisting of 70 amino acids identical to the endogenous peptide hormone. It bind...

Sermorelin is a synthetic 44-amino acid peptide corresponding to the biologically active portion of human growth hormone releasing hormone (GHRH). It ...

Ghrelin is a naturally occurring 28-amino acid peptide hormone produced primarily in the stomach with an essential octanoyl modification at serine-3 r...

Obestatin is a 23-amino acid peptide hormone derived from post-translational processing of the ghrelin gene product preproghrelin. It was initially pr...

Growth Hormone Releasing Peptide-1 is a synthetic hexapeptide belonging to the growth hormone secretagogue family. It acts as a weak agonist at the gh...

Pentadeca Arginate is a synthetic 15-arginine polypeptide designed to enhance cellular uptake and delivery of therapeutic molecules. The polyarginine ...

Thymosin Beta-4 Fragment refers to bioactive segments derived from the 43-amino acid thymosin beta-4 protein, most commonly a 7-amino acid N-terminal ...

Cathelicidin LL-37 fragments are truncated sequences derived from the human antimicrobial peptide LL-37, which is a 37-amino acid cleavage product of ...

FGL peptide is a 15-amino acid synthetic sequence derived from the neural cell adhesion molecule (NCAM) that mimics the fibronectin-like domain. It pr...

GHK is a naturally occurring tripeptide with high affinity for copper ions, forming the GHK-Cu complex. It is present in human plasma, saliva, and uri...

Matrikine peptides are bioactive fragments released from extracellular matrix proteins during tissue remodeling or injury. These sequences, derived fr...

AHK-Cu is a synthetic copper-binding tripeptide consisting of alanine-histidine-lysine complexed with copper ions. It shares structural and functional...

BPC variants are synthetic peptide sequences related to a pentadecapeptide derived from human gastric juice, commonly designated BPC-157. These peptid...

Collagen Tripeptide F is a synthetic tripeptide designed to mimic fragments of native collagen that appear during tissue remodeling. It is hypothesize...

Sinapultide is a synthetic 21-amino acid peptide that mimics the structure and function of surfactant protein B, a critical component of pulmonary sur...

Chrysalin, also known as TP508, is a 23-amino acid synthetic peptide derived from the receptor-binding domain of human thrombin. It is designed to act...

Nexagon is a synthetic peptide designed to transiently modulate gap junction intercellular communication by mimicking a segment of the connexin protei...

OP-1, or osteogenic protein-1, is the recombinant form of bone morphogenetic protein-7 (BMP-7), a member of the transforming growth factor-beta superf...

Dalargin is a synthetic hexapeptide analog of leucine-enkephalin with enhanced metabolic stability due to D-amino acid substitutions. It acts as a sel...

Dihexa is a small synthetic hexapeptide derived from angiotensin IV, designed to bind and potentiate hepatocyte growth factor (HGF) signaling through ...

NAP, also known as davunetide, is an eight-amino acid peptide derived from activity-dependent neuroprotective protein (ADNP). It is thought to stabili...

Nemifitide is a synthetic pentapeptide analog of the endogenous neuropeptide alpha-melanocyte-stimulating hormone (alpha-MSH). It acts on melanocortin...

Intranasal insulin involves the administration of regular human insulin via nasal spray to target central nervous system insulin receptors without cau...

Spadin is a 17-amino acid peptide derived from the propeptide released during maturation of sortilin, a neurotensin receptor. It functions as an antag...

Cortexin is a complex polypeptide mixture extracted from bovine cerebral cortex, containing a range of neuropeptides and neurotrophic factors with com...

Pinealon is a synthetic tripeptide (Glu-Asp-Arg) developed as part of the Khavinson peptide bioregulator series, designed to mimic endogenous short pe...

N-acetyl Semax Amidate is a modified heptapeptide derivative of adrenocorticotropic hormone (ACTH) fragments, engineered with N-terminal acetylation a...

N-acetyl Selank Amidate is a synthetic heptapeptide analog of the immunomodulatory peptide tuftsin, modified with acetylation and amidation to increas...

Bromantane-adjacent peptides refer to a theoretical class of compounds that may share structural or functional motifs with bromantane, a synthetic ada...

ACTH (4-10) analogs are synthetic peptides derived from the 4 to 10 amino acid sequence of adrenocorticotropic hormone, engineered to preserve neurotr...

Orexin A is a 33-amino acid neuropeptide produced in the lateral hypothalamus that plays a critical role in the regulation of wakefulness, arousal, an...

Orexin B is a 28-amino acid neuropeptide closely related to orexin A, also synthesized in hypothalamic neurons and involved in promoting wakefulness a...

Neurotensin is a 13-amino acid neuropeptide widely distributed in the central nervous system and gastrointestinal tract, where it modulates dopaminerg...

Galanin is a 29 or 30 amino acid neuropeptide widely distributed throughout the central and peripheral nervous systems. It acts through three G protei...

Argireline is a synthetic six amino acid peptide (Ac-Glu-Glu-Met-Gln-Arg-Arg-NH2) designed to attenuate neurotransmitter release at the neuromuscular ...

Matrixyl is a lipopeptide composed of a pentapeptide sequence (Lys-Thr-Thr-Lys-Ser) attached to a palmitic acid moiety to enhance dermal penetration. ...

Matrixyl 3000 is a proprietary combination of two lipopeptides: palmitoyl tripeptide-1 (Pal-GHK) and palmitoyl tetrapeptide-7 (Pal-GQPR). The formulat...

Palmitoyl tripeptide-38 is a synthetic lipopeptide designed to stimulate synthesis of six major constituents of the dermal matrix: collagen I, III, an...

SYN-AKE is a synthetic dipeptide derivative inspired by the venom peptide waglerin-1 from the Temple viper. It acts as a competitive antagonist at nic...

SNAP-8 is an elongated derivative of Argireline, consisting of eight amino acids (Ac-Glu-Glu-Met-Gln-Arg-Arg-Ala-Asp-NH2) designed to further inhibit ...

Leuphasyl is a synthetic pentapeptide (Tyr-D-Ala-Gly-Phe-Leu) that mimics the N-terminal sequence of enkephalin and modulates acetylcholine receptor a...

Vialox is a synthetic pentapeptide designed to modulate neuromuscular signaling by interfering with acetylcholine receptor activation. The exact seque...

Rigin is a lipopeptide composed of the tetrapeptide sequence Gly-Gln-Pro-Arg conjugated to palmitic acid. It is designed to reduce production of inter...

Palmitoyl Tripeptide-5 is a synthetic lipopeptide consisting of a tripeptide sequence conjugated to palmitic acid to enhance dermal penetration. The p...

Decorinyl is a modified tripeptide featuring citrulline substitution, engineered to interact with decorin, a small leucine-rich proteoglycan that regu...

Haloxyl is a combination ingredient consisting of chrysin, a naturally occurring flavone, and palmitoyl oligopeptides designed to address periorbital ...

Acetyl Tetrapeptide-5 is a synthetic tetrapeptide modified with an acetyl group to improve stability and cellular uptake. The peptide is proposed to r...

Trylagen is a proprietary complex incorporating Tripeptide-10 Citrulline along with additional bioactive peptides formulated to support collagen and e...

Myristoyl Pentapeptide-17 is a lipopeptide composed of a pentapeptide sequence conjugated to myristic acid to facilitate penetration of the hair folli...

Palmitoyl Tripeptide-1 is a synthetic lipopeptide comprising a tripeptide linked to palmitic acid, designed to mimic a portion of the Type I collagen ...

Prezatide Copper Acetate is a tripeptide-copper complex, most commonly represented by the sequence Gly-His-Lys bound to a copper ion. Copper peptides ...

Acetyl Hexapeptide-1 is a synthetic hexapeptide designed to stimulate melanin synthesis by acting as an agonist at melanocortin-1 receptors on melanoc...

Thymogen is a dipeptide consisting of glutamic acid and tryptophan, originally isolated from thymic extracts and proposed to function as an immunomodu...

Thymostimulin is a polypeptide extract derived from bovine thymus tissue containing multiple biologically active thymic peptides. It acts on T-lymphoc...

Splenopentin is a synthetic pentapeptide (Arg-Lys-Glu-Val-Tyr) corresponding to residues 32 to 36 of the splenic hormone splenin. It modulates immune ...

Bursin is a tripeptide (Lys-His-Gly) originally isolated from the bursa of Fabricius in avian species. It promotes B-lymphocyte differentiation and im...

Tuftsin is a naturally occurring tetrapeptide (Thr-Lys-Pro-Arg) cleaved from the Fc portion of the heavy chain of immunoglobulin G. It binds to specif...

Imuthiol is the sodium salt of diethyldithiocarbamate, a small molecule rather than a peptide, historically explored for immune modulation and antivir...

Alpha-melanocyte-stimulating hormone (alpha-MSH) is a 13-amino-acid peptide derived from proopiomelanocortin (POMC). It acts via melanocortin receptor...

Beta-defensin 2 (hBD-2) is an antimicrobial peptide of approximately 40 amino acids produced by epithelial cells in response to infection or inflammat...

Beta-defensin 3 (hBD-3) is an antimicrobial peptide of approximately 45 amino acids with potent activity against a wide range of pathogens, including ...

Granulysin is a 15-kDa antimicrobial and cytolytic protein expressed by cytotoxic T lymphocytes and natural killer cells. It disrupts microbial and tu...

Serelaxin is a recombinant form of human relaxin-2, a naturally occurring peptide hormone composed of two chains linked by disulfide bonds. It acts vi...

Carperitide is a recombinant form of human atrial natriuretic peptide consisting of 28 amino acids. It activates guanylyl cyclase A receptors, increas...

Ularitide is a synthetic 32-amino acid peptide analogue of urodilatin, a natriuretic peptide produced in renal tubular cells. It binds to guanylyl cyc...

Atrial natriuretic peptide is a 28-amino acid endogenous hormone secreted primarily by atrial cardiomyocytes in response to atrial stretch and volume ...

Brain natriuretic peptide, despite its name, is a 32-amino acid hormone secreted predominantly by ventricular cardiomyocytes in response to ventricula...

C-type natriuretic peptide is a 22-amino acid member of the natriuretic peptide family that selectively activates natriuretic peptide receptor B (NPR-...

Urocortin 1 is a 40-amino acid peptide belonging to the corticotropin-releasing factor (CRF) family. It binds to both CRF receptor 1 and CRF receptor ...

Urocortin 2 is a 38-amino acid peptide member of the corticotropin-releasing factor family with selective affinity for CRF receptor 2. It exerts cardi...

Urocortin 3, also known as stresscopin, is a 38-amino acid peptide with high selectivity for CRF receptor 2. It produces vasodilation and increases ca...

Adrenomedullin is a 52-amino acid peptide hormone produced by vascular endothelial and smooth muscle cells with potent vasodilatory and natriuretic pr...

Angiotensin (1-7) is a seven-amino acid peptide component of the renin-angiotensin system formed through cleavage of angiotensin II by ACE2 or from an...

Apelin-13 is a 13-amino acid endogenous peptide that represents the most potent and abundant isoform of the apelin family. It acts as the ligand for t...

Degarelix is a synthetic decapeptide gonadotropin-releasing hormone (GnRH) receptor antagonist used in the treatment of advanced prostate cancer. Unli...

Triptorelin is a synthetic decapeptide analogue of gonadotropin-releasing hormone (GnRH) that functions as a long-acting GnRH agonist. Following an in...

Buserelin is a synthetic nonapeptide analogue of gonadotropin-releasing hormone (GnRH) that acts as a potent GnRH agonist. It binds with high affinity...

Histrelin is a synthetic nonapeptide analogue of gonadotropin-releasing hormone (GnRH) that functions as a GnRH agonist. The peptide is administered v...

Abarelix is a synthetic decapeptide that functions as a gonadotropin-releasing hormone (GnRH) receptor antagonist. It competitively blocks pituitary G...

Elagolix is a small molecule non-peptide gonadotropin-releasing hormone (GnRH) receptor antagonist administered orally. While not a peptide itself, it...

Relugolix is an orally bioavailable non-peptide gonadotropin-releasing hormone (GnRH) receptor antagonist. Although it is not a peptide, it exerts its...

177Lu-PSMA-617 is a radioligand therapeutic consisting of a small peptide-based ligand targeting prostate-specific membrane antigen (PSMA) conjugated ...

Somatostatin is a naturally occurring cyclic tetradecapeptide hormone produced by neuroendocrine cells throughout the body, including the hypothalamus...

Vapreotide is a synthetic octapeptide analog of somatostatin with enhanced selectivity for somatostatin receptor subtypes 2 and 5. It exerts antisecre...

Vantictumab is a fully human monoclonal antibody that targets multiple Frizzled receptors involved in the Wnt signaling pathway. By blocking Frizzled ...

Tirbanibulin is a small molecule synthetic peptide mimetic that inhibits tubulin polymerization and disrupts Src kinase signaling pathways. It is appl...

Plitidepsin is a cyclic depsipeptide originally isolated from the Mediterranean tunicate Aplidium albicans and now produced synthetically. It targets ...

Melphalan flufenamide is a first-in-class peptide-drug conjugate that links the alkylating agent melphalan to a dipeptide carrier. The dipeptide facil...

Glucagon receptor antagonist peptides are a class of molecules designed to block the glucagon receptor and prevent glucagon-mediated hepatic glucose o...

Motilin is a 22-amino acid endogenous peptide hormone secreted by enteroendocrine cells in the duodenum and jejunum. It binds to motilin receptors on ...

Cholecystokinin is an endogenous peptide hormone existing in multiple forms, most commonly as CCK-8 and CCK-33, secreted by I-cells in the duodenum an...

Gastrin is an endogenous peptide hormone secreted by G-cells in the gastric antrum and duodenum, existing primarily as gastrin-17 and gastrin-34. It b...

Peptide YY 3-36 is a 34-amino acid endogenous peptide hormone secreted by L-cells in the distal small intestine and colon in response to nutrient inta...

Ghrelin receptor antagonists are a class of peptides and peptidomimetics designed to block the growth hormone secretagogue receptor (GHSR), also known...

Guanylin is a 15-amino acid endogenous peptide hormone that activates guanylate cyclase-C (GC-C) receptors on intestinal epithelial cells. Upon bindin...

Uroguanylin is a 16-amino acid endogenous peptide structurally related to guanylin that also activates guanylate cyclase-C receptors in the intestinal...

Dynorphin A is an endogenous opioid peptide of 17 amino acids that preferentially binds to and activates kappa-opioid receptors, though it also has af...

Leu-enkephalin is a pentapeptide (Tyr-Gly-Gly-Phe-Leu) that functions as an endogenous opioid agonist with preferential activity at delta-opioid recep...

Met-enkephalin is a pentapeptide (Tyr-Gly-Gly-Phe-Met) that differs from leu-enkephalin only in its C-terminal amino acid. It acts as an endogenous op...

Endomorphin-1 is a tetrapeptide (Tyr-Pro-Trp-Phe) that exhibits highly selective agonist activity at the mu-opioid receptor, the primary target for an...

Endomorphin-2 is a tetrapeptide (Tyr-Pro-Phe-Phe) that, like endomorphin-1, demonstrates highly selective agonism at mu-opioid receptors. The two endo...

Nociceptin, also known as orphanin FQ, is a 17-amino acid peptide that acts as the endogenous ligand for the nociceptin/orphanin FQ peptide (NOP) rece...

Conantokin-G is a 17-amino acid peptide originally isolated from the venom of the cone snail Conus geographus. It acts as a selective antagonist of N-...

Dermorphin is a heptapeptide opioid agonist originally isolated from the skin of South American Phyllomedusa frogs. It exhibits high selectivity and a...

Deltorphin is a heptapeptide opioid agonist also derived from Phyllomedusa frog skin secretions, characterized by high selectivity for delta-opioid re...

Neuropeptide FF (NPFF) is an octapeptide belonging to the RFamide family, characterized by an arginine-phenylalanine-amide motif at the C-terminus. It...

Magainin 2 is a 23-amino acid antimicrobial peptide originally isolated from the skin of the African clawed frog Xenopus laevis. It exerts broad-spect...

Pexiganan is a 22-amino acid synthetic analog of magainin 2 designed to enhance antimicrobial potency and proteolytic stability. It disrupts bacterial...

Omiganan is a synthetic 12-amino acid cationic antimicrobial peptide derived from indolicidin, a naturally occurring peptide from bovine neutrophils. ...

Iseganan is a 17-amino acid synthetic analog of protegrin, a naturally occurring antimicrobial peptide found in porcine leukocytes. It disrupts microb...

Human neutrophil peptide 1 (HNP-1) is a 30-amino acid alpha-defensin produced by neutrophils as part of the innate immune response. It contains three ...

Alpha-defensin 5 (HD5) is a 32-amino acid cationic peptide predominantly expressed by Paneth cells in the small intestinal crypts. It contains three d...

Lactoferricin is a cationic antimicrobial peptide derived from pepsin-mediated cleavage of lactoferrin, an iron-binding glycoprotein found in milk and...

Nisin is a 34-amino acid polycyclic antibacterial peptide (lantibiotic) produced by Lactococcus lactis. It disrupts bacterial cell wall synthesis and ...

Gramicidin S is a cyclic decapeptide antibiotic isolated from Bacillus brevis, consisting of two identical pentapeptide sequences joined in a ring str...

Polymyxin B is a cyclic lipopeptide antibiotic derived from Bacillus polymyxa, consisting of a heptapeptide ring and a tripeptide side chain acylated ...

Colistin, also known as polymyxin E, is a cyclic polypeptide antibiotic structurally similar to polymyxin B, produced by Paenibacillus polymyxa. It di...

Indolicidin is a 13-amino acid antimicrobial peptide derived from bovine neutrophils, characterized by a high tryptophan content (five residues). It e...

PTH (1-34) analogs, including teriparatide and abaloparatide, are synthetic peptides corresponding to the 34 N-terminal amino acids of human parathyro...

Romosozumab is a humanized monoclonal antibody that binds and inhibits sclerostin, a glycoprotein produced by osteocytes that negatively regulates the...

Osteogenic Growth Peptide is a naturally occurring 14-amino acid peptide identified in serum that promotes osteoblast proliferation and differentiatio...

BMP-2 is a member of the transforming growth factor-beta superfamily, consisting of a homodimeric protein with each monomer containing approximately 1...

BMP-7, also known as osteogenic protein-1 (OP-1), is a member of the bone morphogenetic protein family with a mature homodimeric structure of approxim...

Calcitonin gene-related peptide is a 37-amino acid neuropeptide produced by alternative splicing of the calcitonin gene. CGRP acts as a potent vasodil...

Gonadotropin-releasing hormone agonists are synthetic decapeptide analogues of native GnRH that initially stimulate and then suppress gonadotropin sec...

Klotho is a transmembrane protein of approximately 1012 amino acids that exists in membrane-bound and secreted forms, with the soluble ectodomain func...

Sirtuin-activating peptides represent a class of investigational compounds designed to enhance the enzymatic activity of sirtuins, a family of NAD-dep...

Mitochondrial-targeted peptides are short synthetic sequences, typically 2 to 8 amino acids, designed to localize to mitochondria and protect against ...

Thymulin is a nonapeptide hormone secreted by thymic epithelial cells that requires zinc for biological activity and is also referred to as facteur th...

Gerontin refers to peptide fractions derived from pineal gland extracts studied primarily in Russian gerontology research. These preparations are hypo...

Vilon is a synthetic dipeptide consisting of lysine and glutamic acid (Lys-Glu) developed as part of the Khavinson bioregulator peptide research progr...

Bioregulator peptides are a class of short synthetic peptides, typically 2 to 4 amino acids in length, developed by Russian researcher Vladimir Khavin...

IGF-1 LR3 is a synthetic analogue of insulin-like growth factor 1 with an N-terminal extension of 13 amino acids and a substitution of arginine for gl...

IGF-1 DES (1-3) is a truncated analogue of insulin-like growth factor 1 lacking the first three N-terminal amino acids (glycine-proline-glutamate). Th...

Mechano Growth Factor is a splice variant of the IGF-1 gene expressed in response to mechanical stress on muscle tissue. The peptide contains a unique...

PEG-MGF is a pegylated derivative of Mechano Growth Factor designed to extend systemic half-life through the addition of polyethylene glycol moieties....

Follistatin-344 is a 344-amino acid glycoprotein that functions as a binding protein and endogenous antagonist of myostatin and other members of the T...

ACE-031 is a recombinant fusion protein combining the extracellular domain of the activin receptor type IIB with a human IgG1 Fc domain. This soluble ...

Nafarelin is a synthetic decapeptide analogue of gonadotropin-releasing hormone (GnRH) with substitutions at positions 6 and 10 that enhance receptor ...

Choriogonadotropin alfa is a recombinant human chorionic gonadotropin produced in Chinese hamster ovary cells with identical amino acid sequence to en...

Follitropin alfa is a recombinant human follicle-stimulating hormone produced in Chinese hamster ovary cells, consisting of a heterodimeric glycoprote...

Menotropin is a purified preparation of human menopausal gonadotropins extracted from the urine of postmenopausal women, containing both follicle-stim...

Corifollitropin alfa is a recombinant long-acting FSH analogue created by fusing the C-terminal peptide of the hCG beta subunit to the FSH beta chain....

Cetrorelix is a synthetic decapeptide analog of gonadotropin-releasing hormone (GnRH) that acts as a competitive GnRH receptor antagonist. By binding ...

Peginesatide is a synthetic pegylated peptide-based erythropoiesis-stimulating agent (ESA) consisting of two 21-amino acid chains linked to polyethyle...

Eltrombopag is a small-molecule, non-peptide thrombopoietin receptor agonist that binds to the transmembrane domain of the thrombopoietin receptor, di...

Hepcidin is a 25-amino acid endogenous peptide hormone produced primarily by hepatocytes that serves as the master regulator of systemic iron homeosta...

Thrombopoietin is a 332-amino acid endogenous glycoprotein hormone and the primary physiologic regulator of megakaryopoiesis and platelet production. ...

Gadopentetate peptide conjugates consist of the gadolinium-based contrast agent gadopentetate dimeglumine chemically linked to targeting peptides desi...

Gallium-68 DOTATATE is a radiolabeled somatostatin analog consisting of an octapeptide (Tyr3-octreotate) conjugated to the macrocyclic chelator DOTA, ...

Bombesin analog tracers are synthetic peptides based on the 14-amino acid amphibian peptide bombesin or its mammalian counterpart gastrin-releasing pe...

RGD peptide tracers are short synthetic peptides containing the arginine-glycine-aspartic acid (RGD) tripeptide sequence, which binds to integrin rece...