Peptide Database

Peptide NameMolluscan insulin-related peptide 5 B chain

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Standard StatusStandard

Sequence Length38 amino acids

Chemical FormulaC177H282N58O52S4

DescriptionStandard

        QFSACSFSSRPHPRGICGSDLADLRAFICSRRNQPAMV
    

Molecular Weight4182.75 Da

Isoelectric Point (pI)9.30

Net Charge (pH 7.0)2.82

Net Charge (pH 7.4) 2.52

Charge Density (pH 7.0) 0.0742

GRAVY Index-0.21

Hydrophobic Moment 0.45

Boman Index-0.09

Instability Index61.69

Aliphatic Index 59.21

Aromaticity 0.0789

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 125.00

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

Amino Acid Composition

TPSA 1777.08

LogP -23.10

H-bond Donors 66.0

H-bond Acceptors 60.0

Rotatable Bonds 133.0

Heavy Atoms 291.0

Ring Count 7.0

Amide Bonds 40.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0245792 VERIFIED: YES

Provenance & Taxonomy

OrganismLymnaea stagnalis [Animal]

FamilyMolluscan insulin-related peptide

Tax ID6523

Structure & Mods

Configlinear peptide [Linear]

Chiralitynoncanonical stereochemical modification [Modified]

N-TermPyroglutamate

Bio-Activity Profile

Function

Hormone Endocrine

Half-LifeMammalian: 0.8 hour; Yeast: 10 min; E. coli: >10 hour