Peptide Database

Peptide NameInsulin B chain

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Regulatory peptide ▸ Biological regulation

Standard StatusStandard

Sequence Length30 amino acids

Chemical FormulaC152H226N40O40S2

DescriptionStandard

        VAPPQHLCGSHLVDALYLVCGDRGFFYNPK
    

Molecular Weight3317.79 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 Index0.13

Hydrophobic Moment 0.36

Boman Index0.19

Instability Index28.48

Aliphatic Index 87.67

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 1247.60

LogP -9.29

H-bond Donors 43.0

H-bond Acceptors 44.0

Rotatable Bonds 99.0

Heavy Atoms 234.0

Ring Count 9.0

Amide Bonds 31.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0272937 VERIFIED: NO

Provenance & Taxonomy

OrganismPagrus major [Animal]

FamilyInsulin

Tax ID143350

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

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