Peptide Database

Peptide NameMolluscan insulin-related peptide 1 B chain

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Standard StatusStandard

Sequence Length36 amino acids

Chemical FormulaC157H248N52O53S3

DescriptionStandard

        QFSACNINDRPHRRGVCGSALADLVDFACSSSNQPA
    

Molecular Weight3808.16 Da

Isoelectric Point (pI)6.72

Net Charge (pH 7.0)-0.18

Net Charge (pH 7.4) -0.48

Charge Density (pH 7.0) -0.0050

GRAVY Index-0.28

Hydrophobic Moment 0.55

Boman Index-0.07

Instability Index71.73

Aliphatic Index 62.50

Aromaticity 0.0556

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 1707.12

LogP -25.24

H-bond Donors 61.0

H-bond Acceptors 57.0

Rotatable Bonds 121.0

Heavy Atoms 265.0

Ring Count 5.0

Amide Bonds 40.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0022783 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