Peptide Database

Peptide NameInsulin B chain

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Metabolic

Regulatory peptide ▸ Biological regulation

Standard StatusStandard

Sequence Length30 amino acids

Chemical FormulaC148H222N40O41S2

DescriptionStandard

        AANQHLCGSHLVEALYLVCGERGFFYSPKA
    

Molecular Weight3281.72 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 Index0.19

Hydrophobic Moment 0.42

Boman Index0.19

Instability Index27.32

Aliphatic Index 84.67

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 1285.41

LogP -11.15

H-bond Donors 46.0

H-bond Acceptors 45.0

Rotatable Bonds 103.0

Heavy Atoms 231.0

Ring Count 7.0

Amide Bonds 31.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0393268 VERIFIED: YES

Provenance & Taxonomy

OrganismTrachemys dorbigni [Animal]

FamilyInsulin

Tax ID31137

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

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