Peptide Database

Peptide NameInsulin B chain

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Regulatory peptide ▸ Biological regulation

Standard StatusStandard

Sequence Length36 amino acids

Chemical FormulaC165H252N44O50S2

DescriptionStandard

        SALTGAGGTHLCGSHLVEALYVVCGDRGFFYTPSKT
    

Molecular Weight3716.16 Da

Isoelectric Point (pI)6.66

Net Charge (pH 7.0)-0.38

Net Charge (pH 7.4) -0.73

Charge Density (pH 7.0) -0.0107

GRAVY Index0.28

Hydrophobic Moment 0.36

Boman Index0.24

Instability Index13.67

Aliphatic Index 75.83

Aromaticity 0.1111

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 1474.98

LogP -16.72

H-bond Donors 55.0

H-bond Acceptors 54.0

Rotatable Bonds 115.0

Heavy Atoms 261.0

Ring Count 7.0

Amide Bonds 35.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0287255 VERIFIED: YES

Provenance & Taxonomy

OrganismLampetra fluviatilis [Animal]

FamilyInsulin

Tax ID7748

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Hormone Endocrine Metabolic regulation Physiological regulation

Half-LifeMammalian: 1.9 hour; Yeast: >20 hour; E. coli: >10 hour

RECORD: Rec_0366940 VERIFIED: YES