Peptide Database

Peptide NameUnnamed

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Metabolic

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Regulatory peptide ▸ Biological regulation

Standard StatusStandard

Sequence Length31 amino acids

Chemical FormulaC162H244N42O43S2

DescriptionStandard

        VPTQRLCGSHLVDALYFVCGERGFFYSPKQI
    

Molecular Weight3532.06 Da

Isoelectric Point (pI)8.02

Net Charge (pH 7.0)0.80

Net Charge (pH 7.4) 0.50

Charge Density (pH 7.0) 0.0259

GRAVY Index0.14

Hydrophobic Moment 0.52

Boman Index0.13

Instability Index35.76

Aliphatic Index 81.61

Aromaticity 0.1613

Extinction Coeff. Reduced 2980.00

Extinction Coeff. Oxidized 3105.00

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

Amino Acid Composition

TPSA 1359.17

LogP -10.64

H-bond Donors 49.0

H-bond Acceptors 47.0

Rotatable Bonds 110.0

Heavy Atoms 249.0

Ring Count 8.0

Amide Bonds 32.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0085536 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/

RECORD: Rec_0147460 VERIFIED: YES

Provenance & Taxonomy

OrganismCallorhinchus milii [Animal]

FamilyInsulin

Tax ID7868

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Hormone Endocrine Metabolic regulation Physiological regulation

Half-LifeMammalian: 100 hour; Yeast: >20 hour; E. coli: >10 hour

RECORD: Rec_0380349 VERIFIED: YES

Provenance & Taxonomy

OrganismCallorhynchus milii [Animal]

FamilyInsulin

Tax ID7868

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Hormone Metabolic