Peptide Database

Peptide NameInsulin B chain

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Metabolic

Regulatory peptide ▸ Biological regulation

Standard StatusStandard

Sequence Length30 amino acids

Chemical FormulaC150H226N40O41S2

DescriptionStandard

        AVNQHLCGSHLVEALYLVCGERGFFYSPKA
    

Molecular Weight3309.77 Da

Isoelectric Point (pI)6.94

Net Charge (pH 7.0)-0.05

Net Charge (pH 7.4) -0.37

Charge Density (pH 7.0) -0.0016

GRAVY Index0.27

Hydrophobic Moment 0.42

Boman Index0.20

Instability Index27.32

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 1285.41

LogP -10.51

H-bond Donors 46.0

H-bond Acceptors 45.0

Rotatable Bonds 104.0

Heavy Atoms 233.0

Ring Count 7.0

Amide Bonds 31.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0275590 VERIFIED: YES

Provenance & Taxonomy

OrganismSelasphorus rufus [Animal]

FamilyInsulin

Tax ID29060

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Hormone Endocrine Metabolic regulation Physiological regulation

Half-LifeMammalian: 4.4 hour; Yeast: >20 hour; E. coli: >10 hour

RECORD: Rec_0422454 VERIFIED: NO