Peptide Database

Peptide NameMolluscan insulin-related peptide 7 B chain

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Standard StatusStandard

Sequence Length42 amino acids

Chemical FormulaC211H332N68O57S4

DescriptionStandard

        QQVNTCTMFSRQHPRGLCGNRLARAHANLCFLLRNTYPDIFP
    

Molecular Weight4861.57 Da

Isoelectric Point (pI)9.80

Net Charge (pH 7.0)3.90

Net Charge (pH 7.4) 3.56

Charge Density (pH 7.0) 0.0930

GRAVY Index-0.38

Hydrophobic Moment 0.63

Boman Index-0.10

Instability Index30.15

Aliphatic Index 69.76

Aromaticity 0.0952

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 1615.00

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

Amino Acid Composition

TPSA 2036.99

LogP -22.58

H-bond Donors 73.0

H-bond Acceptors 67.0

Rotatable Bonds 154.0

Heavy Atoms 340.0

Ring Count 9.0

Amide Bonds 48.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0231882 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