Peptide Database

Peptide NameInsulin B chain

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Regulatory peptide ▸ Biological regulation

Standard StatusStandard

Sequence Length29 amino acids

Chemical FormulaC144H215N37O39S2

DescriptionStandard

        AAAQHLCGSHLVDALYLVCGEKGFFYNPK
    

Molecular Weight3152.60 Da

Isoelectric Point (pI)6.94

Net Charge (pH 7.0)-0.05

Net Charge (pH 7.4) -0.38

Charge Density (pH 7.0) -0.0017

GRAVY Index0.24

Hydrophobic Moment 0.34

Boman Index0.23

Instability Index9.19

Aliphatic Index 87.59

Aromaticity 0.1379

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 1200.20

LogP -9.15

H-bond Donors 42.0

H-bond Acceptors 43.0

Rotatable Bonds 99.0

Heavy Atoms 222.0

Ring Count 7.0

Amide Bonds 30.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0099683 VERIFIED: YES

Provenance & Taxonomy

OrganismOncorhynchus gorbuscha [Animal]

FamilyInsulin

Tax ID8017

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_0309025 VERIFIED: YES