Peptide Database

Peptide NameInsulin B chain

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Regulatory peptide ▸ Biological regulation

Standard StatusStandard

Sequence Length30 amino acids

Chemical FormulaC150H224N40O40S2

DescriptionStandard

        VAPAQHLCGSHLVDALYLVCGDRGFFYNPK
    

Molecular Weight3291.76 Da

Isoelectric Point (pI)6.87

Net Charge (pH 7.0)-0.11

Net Charge (pH 7.4) -0.46

Charge Density (pH 7.0) -0.0037

GRAVY Index0.24

Hydrophobic Moment 0.36

Boman Index0.20

Instability Index22.06

Aliphatic Index 91.00

Aromaticity 0.1333

Extinction Coeff. Reduced 2980.00

Extinction Coeff. Oxidized 3105.00

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

Amino Acid Composition

TPSA 1256.39

LogP -9.78

H-bond Donors 44.0

H-bond Acceptors 44.0

Rotatable Bonds 100.0

Heavy Atoms 232.0

Ring Count 8.0

Amide Bonds 31.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0096346 VERIFIED: YES

Provenance & Taxonomy

OrganismLophius piscatorius [Animal]

FamilyInsulin

Tax ID8074

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Hormone Endocrine Metabolic regulation Physiological regulation

Half-LifeMammalian: 100 hour; Yeast: >20 hour; E. coli: >10 hour