Peptide Database

Peptide NameMolluscan insulin-related peptide 7 A chain

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Standard StatusStandard

Sequence Length26 amino acids

Chemical FormulaC121H193N31O41S6

DescriptionStandard

        EVMAEPSLVCDCCYNECSVRKLATYC
    

Molecular Weight2930.40 Da

Isoelectric Point (pI)4.41

Net Charge (pH 7.0)-2.21

Net Charge (pH 7.4) -2.46

Charge Density (pH 7.0) -0.0850

GRAVY Index0.22

Hydrophobic Moment 0.43

Boman Index0.04

Instability Index50.22

Aliphatic Index 71.15

Aromaticity 0.0769

Extinction Coeff. Reduced 2980.00

Extinction Coeff. Oxidized 3230.00

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

Amino Acid Composition

TPSA 1163.39

LogP -11.87

H-bond Donors 45.0

H-bond Acceptors 45.0

Rotatable Bonds 93.0

Heavy Atoms 199.0

Ring Count 3.0

Amide Bonds 26.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0039997 VERIFIED: YES

Provenance & Taxonomy

OrganismLymnaea stagnalis [Animal]

FamilyMolluscan insulin-related peptide

Tax ID6523

Structure & Mods

Configlinear peptide with reported disulfide constraint [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide12-17

Bio-Activity Profile

Function

Hormone Endocrine

Half-LifeMammalian: 1 hour; Yeast: 30 min; E. coli: >10 hour