The Reference | Peptides.vc

This index lists every peptide in the catalog with its sequence length, molecular weight, and structural family. The data are drawn from primary literature: PubChem and UniProt for canonical identifiers, and peer-reviewed journals for sequence elucidation and structural characterization. Every entry links to a detail page with the full sequence, structural notes, scope limitations, and source context.

What this page does not contain: therapeutic claims, outcome statements, dose recommendations, or any language about what a molecule does to a human. The catalog is for in-vitro research only.

Peptides.vc compiles The Reference as a structural literature index; it is not a protocol library and it is not a recommendation.

GHRH analogs

Growth-hormone-releasing-hormone-receptor (GHRH-R) agonist peptides. Sequence-based analogs of the 44-residue endogenous hormone.

Compound	Sequence length	Molecular weight	Parent family
CJC-1295 (DAC) cjc-1295 · drug affinity complex grf	30	3367.97 Da	GHRH(1-29) analog with maleimidopropionyl-Lys30 DAC linker
CJC-1295 (No DAC) mod grf 1-29 · modified grf 1-29	29	3367.97 Da	GHRH(1-29) analog (D-Ala2 / Gln8 / Ala15 / Leu27)
Sermorelin (GHRH 1-29) grf 1-29 · geref	29	3357.93 Da	GHRH (1-29) C-terminal-amide fragment
Tesamorelin egrifta · th9507	44	5,136 Da	Trans-3-hexenoyl-Tyr1 GHRH(1-44) analog

Ghrelin-receptor agonist peptides

Synthetic peptides that bind the growth-hormone-secretagogue receptor (GHS-R1a). Includes pentapeptide and hexapeptide secretagogues.

Compound	Sequence length	Molecular weight	Parent family
GHRP-2 pralmorelin · kp-102	6	817.96 Da	GHS-R1a agonist hexapeptide
GHRP-6 growth hormone releasing hexapeptide	6	873.01 Da	GHS-R1a agonist hexapeptide
Hexarelin examorelin	6	887.04 Da	GHS-R1a agonist hexapeptide (Me-Trp at position 2)
Ipamorelin nnc 26-0161	5	711.85 Da	GHS-R1a agonist pentapeptide

Glucagon-family analogs

Class B GPCR ligands derived from the glucagon / GLP-1 / GIP / amylin sequence family. Includes mono-, dual-, and tri-receptor agonist analogs.

Compound	Sequence length	Molecular weight	Parent family
Cagrilintide amy-1213 · long-acting amylin analog	37	4419 Da	Acylated amylin (IAPP) / calcitonin-family analog
VIP (Vasoactive Intestinal Peptide) vasoactive intestinal polypeptide	28	3326.81 Da	Class B GPCR ligand (secretin / VIP / PACAP / glucagon superfamily)

Body-protection-compound family

Pentadecapeptide BPC-157 and structurally adjacent sequences derived from a gastric juice protein fragment.

Compound	Sequence length	Molecular weight	Parent family
BPC-157 body protection compound 157 · pl-14736	15	1419.55 Da	Pentadecapeptide fragment of human gastric juice protein

Thymic-origin peptides

Peptides isolated from or derived from thymus-tissue proteins. Includes thymosin alpha-1, thymosin beta-4, and beta-4 fragment sequences.

Compound	Sequence length	Molecular weight	Parent family
TB-500 (Frag 17-23 of Thymosin Beta-4) thymosin β-4 fragment · lkktetq	7	889 Da	Acetylated heptapeptide fragment (Tβ4 residues 17–23)
Thymosin Alpha-1 thymalfasin · ta-1	28	3108.31 Da	N-acetylated 28-residue thymic peptide (prothymosin α fragment)
Thymosin Beta-4 (TB4) tβ4 · thymosin β-4	43	4963.44 Da	N-acetylated 43-residue beta-thymosin

Melanocortin-receptor analogs

Cyclic and linear analogs of alpha-MSH targeting the MC1R–MC5R receptor family.

Compound	Sequence length	Molecular weight	Parent family
KPV lysyl-prolyl-valine · α-msh(11-13)	3	342.44 Da	C-terminal tripeptide of α-MSH
Melanotan 1 afamelanotide · [nle4,d-phe7]-α-msh	13	1646.85 Da	Linear α-MSH analog (MC1R-selective)
Melanotan II mt-ii · mt-2	7	1024.18 Da	Cyclic α-MSH(4-10) analog (lactam Asp5–Lys10)
PT-141 (Bremelanotide) bremelanotide	7	1025.17 Da	Cyclic α-MSH(4-10) analog (lactam Asp5–Lys10), free-acid C-terminus

Khavinson short-peptide bioregulators

Di-, tri-, and tetrapeptide bioregulators originating from the Khavinson research program at the St. Petersburg Institute of Bioregulation and Gerontology.

Compound	Sequence length	Molecular weight	Parent family
Bronchogen ala-glu-asp-leu	4	444.48 Da	Khavinson tetrapeptide bioregulator
Cardiogen ala-glu-asp-arg	4	487.51 Da	Khavinson tetrapeptide bioregulator
Cartalax ala-glu-asp	3	331.32 Da	Khavinson tripeptide bioregulator
Chonluten thr-glu-asp	3	347.32 Da	Khavinson tripeptide bioregulator
Cortagen ala-glu-asp-pro	4	458.46 Da	Khavinson tetrapeptide bioregulator
Epithalon epitalon · ala-glu-asp-gly	4	390.35 Da	Khavinson tetrapeptide bioregulator (pineal-origin)
Livagen lys-glu-asp-ala	4	459.5 Da	Khavinson tetrapeptide bioregulator
Ovagen his-phe-arg-trp-pro-gly-pro	7	894 Da	Khavinson short-peptide bioregulator (heptapeptide)
Pancragen lys-glu-asp-trp	4	547.59 Da	Khavinson tetrapeptide bioregulator
Pinealon glu-asp-arg	3	418.41 Da	Khavinson tripeptide bioregulator
Prostamax lys-glu-asp-pro	4	514.58 Da	Khavinson tetrapeptide bioregulator
Testagen lys-glu-asp-gly	4	431.44 Da	Khavinson tetrapeptide bioregulator
Thymagen thymogen · glu-trp	2	333.34 Da	Glu-Trp dipeptide (Thymogen)
Vesilute lys-glu-asp-ala-asp	5	561.56 Da	Khavinson short-peptide bioregulator (pentapeptide)
Vesugen lys-glu-asp	3	374.39 Da	Khavinson tripeptide bioregulator
Vilon lys-glu	2	275.31 Da	Khavinson dipeptide bioregulator

Linear small peptides

Short linear peptides (typically 4–10 residues) that don't fit one of the named families above. Includes neuropeptides and signaling fragments.

Compound	Sequence length	Molecular weight	Parent family
Adipotide (FTPP) adipotide · ftpp	25	—	Ligand-directed 25-residue peptidomimetic conjugate
AOD-9604 hgh fragment 176-191 (tyr0) · lipolytic fragment	16	1815.07 Da	C-terminal hGH 176-191 fragment with N-terminal tyrosine
B7-33 relaxin b7-33 chain	27	2961.13 Da	Single-chain B-chain-only relaxin-2 analog
DSIP (Emideltide) delta sleep-inducing peptide · emideltide	9	848.81 Da	Linear nonapeptide originally isolated from rabbit cerebral venous blood
GHK glycyl-l-histidyl-l-lysine	3	340.38 Da	Free tripeptide (non-Cu form)
Gonadorelin (GnRH) gnrh · lhrh	10	1182.31 Da	Decapeptide gonadotropin-releasing hormone
HGH Fragment 176-191 hgh frag 176-191 · lipolytic fragment of hgh	15	1817.07 Da	C-terminal hGH(176-191) fragment
Kisspeptin-10 metastin 45-54 · kiss1(112-121)-nh2	10	1302.45 Da	C-terminal decapeptide of human kisspeptin / KISS1
MGF (Mechano Growth Factor) igf-1ec · mechano growth factor	24	2867.13 Da	C-terminal E-domain peptide of the IGF-1Ec splice variant
Oxytocin pitocin (reference) · oxt	9	1007.19 Da	Cyclic nonapeptide (Cys1–Cys6 disulfide), pituitary origin
PEG-MGF pegylated mgf	24	—	N-terminal PEGylated MGF (24-residue peptide arm)
PNC-27 p53-derived pnc-27 · pnc27	32	—	p53-derived 32-residue chimeric peptide
Selank tp-7 · thr-lys-pro-arg-pro-gly-pro	7	751.88 Da	Synthetic heptapeptide tuftsin analog
Semax met-glu-his-phe-pro-gly-pro · acth(4-7)pgp	7	813.93 Da	Synthetic heptapeptide ACTH(4-7) analog
SNAP-8 acetyl octapeptide-3	8	1075.13 Da	Acetylated octapeptide SNARE-derived sequence (cosmetic-research reagent)

Mitochondrial-localized peptides

Peptides that localize to or are encoded within the mitochondrion. Includes short-mtORF-encoded peptides and inner-membrane-targeting tetrapeptides.

Compound	Sequence length	Molecular weight	Parent family
MOTS-C mitochondrial open reading frame of the 12s rrna type-c	16	2174.59 Da	Mitochondrial-derived peptide encoded within MT-RNR1 (12S rRNA)
SS-31 (Elamipretide) elamipretide · mtp-131	4	639.79 Da	Cardiolipin-binding tetrapeptide that localizes to the inner mitochondrial membrane

Host-defense / defensin family

Cationic amphipathic peptides from the defensin and cathelicidin families.

Compound	Sequence length	Molecular weight	Parent family
LL-37 cathelicidin antimicrobial peptide · camp(134-170)	37	4493.27 Da	Human cathelicidin antimicrobial peptide

Glycoprotein hormones

Heterodimeric or homodimeric glycoprotein hormones secreted from the pituitary or placenta.

Compound	Sequence length	Molecular weight	Parent family
HCG (Chorionic Gonadotropin) chorionic gonadotropin · human chorionic gonadotropin	237	36,700 Da	Glycoprotein heterodimer (α-subunit + β-hCG)
HMG (Human Menopausal Gonadotrophin) menotropin · menotrophin	—	—	Mixed FSH + LH urinary glycoprotein extract

Recombinant proteins

Full-length or near-full-length recombinant proteins expressed in heterologous systems.

Compound	Sequence length	Molecular weight	Parent family
97% GH (somatropin) recombinant human growth hormone · somatropin	191	22,125 Da	Recombinant 22 kDa pituitary growth hormone
ACE-031 activin receptor type iib decoy · actriib-fc	—	79,000 Da	Recombinant ActRIIB-Fc fusion protein
FST 344 (Follistatin 344) follistatin-344 · fs-344	344	38,000 Da	Recombinant follistatin (long isoform, 344 residues)
GDF-8 (Myostatin) myostatin · growth differentiation factor 8	109	25,000 Da	Recombinant TGF-β superfamily homodimer (mature myostatin)
IGF-1 LR3 (Long R3 IGF-1) long arginine 3 igf-1	83	9,111 Da	Engineered IGF-1 analog with 13-aa N-terminal extension and R3 substitution

Peptide–mineral conjugates

Tripeptides covalently complexed with a transition metal ion (e.g. Cu²⁺) at a defined coordination site.

Compound	Sequence length	Molecular weight	Parent family
AHK-Cu alanyl-histidyl-lysine copper	3	415.94 Da	Peptide–copper tripeptide chelate
GHK-Cu copper tripeptide-1 · prezatide copper acetate	3	403.93 Da	Peptide–copper tripeptide chelate

Cofactors & reference reagents

Non-peptide cofactors and small-molecule reference reagents used alongside peptide research workflows.

Compound	Sequence length	Molecular weight	Parent family
5-Amino-1MQ 5-amino · 5-amino-1mq iodide	—	286.11 Da	Quinolinium iodide small molecule
Glutathione gsh · l-glutathione	3	307.32 Da	Linear tripeptide thiol (γ-glutamyl bond)
NAD+ β-nicotinamide adenine dinucleotide · nadh oxidized	—	663.43 Da	Dinucleotide cofactor (nicotinamide–ribose–adenine)
Vitamin B12 cyanocobalamin · cobalamin	—	1355.37 Da	Cobalt-corrinoid coenzyme (cyanocobalamin)

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