Peptide Database

Peptide NameInsulin B chain

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Metabolic

Metabolic ▸ Appetite and feeding regulation ▸ Feeding regulator

Regulatory peptide ▸ Biological regulation

Standard StatusStandard

Sequence Length30 amino acids

Chemical FormulaC147H213N37O41S2

DescriptionStandard

        NPGTPQHLCGSHLVDALYLVCGPTGFFYNP
    

Molecular Weight3218.62 Da

Isoelectric Point (pI)5.97

Net Charge (pH 7.0)-1.09

Net Charge (pH 7.4) -1.42

Charge Density (pH 7.0) -0.0362

GRAVY Index0.09

Hydrophobic Moment 0.34

Boman Index0.28

Instability Index14.36

Aliphatic Index 74.67

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 1197.14

LogP -11.06

H-bond Donors 40.0

H-bond Acceptors 44.0

Rotatable Bonds 91.0

Heavy Atoms 227.0

Ring Count 10.0

Amide Bonds 32.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0294252 VERIFIED: NO

Provenance & Taxonomy

OrganismDanio rerio [Animal]

FamilyInsulin

Tax ID7955

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Hormone Endocrine Metabolic regulation Physiological regulation Growth regulation Development regulation Feeding regulator

Half-LifeMammalian: 1.4 hour; Yeast: 3 min; E. coli: >10 hour

RECORD: Rec_0299171 VERIFIED: NO