Peptide Database

Peptide NameOxytocin-like peptide

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length8 amino acids

Chemical FormulaC50H67N9O14

DescriptionStandard

        IPEPYVWD
    

Molecular Weight1018.12 Da

Isoelectric Point (pI)4.05

Net Charge (pH 7.0)-2.23

Net Charge (pH 7.4) -2.44

Charge Density (pH 7.0) -0.2792

GRAVY Index-0.46

Hydrophobic Moment 0.10

Boman Index0.27

Instability Index50.95

Aliphatic Index 85.00

Aromaticity 0.2500

Extinction Coeff. Reduced 6990.00

Extinction Coeff. Oxidized 6990.00

The radar chart summarizes major physicochemical dimensions for quick comparison, while exact numerical values remain listed on the left.

Amino Acid Composition

TPSA 360.06

LogP 0.52

H-bond Donors 11.0

H-bond Acceptors 12.0

Rotatable Bonds 25.0

Heavy Atoms 73.0

Ring Count 5.0

Amide Bonds 7.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0175426 VERIFIED: NO

Provenance & Taxonomy

OrganismErpobdella octoculata [Animal]

FamilyOxytocin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Hormone

RECORD: Rec_0366355 VERIFIED: YES

Provenance & Taxonomy

OrganismTheromyzon tessulatum [Animal]

Familyleech osmoregulatory factor

Tax ID13286

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

-

Half-LifeMammalian: 20 hour; Yeast: 30 min; E. coli: >10 hour

RECORD: Rec_0391504 VERIFIED: YES

Provenance & Taxonomy

Organismnot reported [other]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Neuropeptide

Paper数据库级溯源文献：Wang Y, Wang M, Yin S, et al. NeuroPep: a comprehensive resource of neuropeptides. Database (Oxford). 2015:bav038. PMID 25931458; Bin Y, Zhang W, Tang W, et al. Prediction of Neuropeptides from Sequence Information Using Ensemble Classifier and Hybrid Features. J Proteome Res. 2020;19(9):3732-3740. PMID 32786686. PMID25931458;32786686 Evidence URLhttps://pubmed.ncbi.nlm.nih.gov/25931458/