Peptide Database

Peptide NameMolluscan insulin-related peptide

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Metabolic

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length24 amino acids

Chemical FormulaC114H181N31O37S5

DescriptionStandard

        QSRPSIVCECCFNQCTVQELLAYC
    

Molecular Weight2738.17 Da

Isoelectric Point (pI)4.53

Net Charge (pH 7.0)-1.28

Net Charge (pH 7.4) -1.57

Charge Density (pH 7.0) -0.0535

GRAVY Index0.29

Hydrophobic Moment 0.24

Boman Index0.06

Instability Index82.06

Aliphatic Index 77.08

Aromaticity 0.0833

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 1740.00

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

Amino Acid Composition

TPSA 1113.61

LogP -12.60

H-bond Donors 42.0

H-bond Acceptors 41.0

Rotatable Bonds 87.0

Heavy Atoms 187.0

Ring Count 3.0

Amide Bonds 27.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0027976 VERIFIED: YES

Provenance & Taxonomy

OrganismLymnaea stagnalis [Animal]

FamilyInsulin

Tax ID6523

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

N-TermPyroglutamate

Bio-Activity Profile

Function

Hormone Metabolic

RECORD: Rec_0239302 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/