Peptide Database

Peptide NameInsulin B chain

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Regulatory peptide ▸ Biological regulation

Standard StatusStandard

Sequence Length29 amino acids

Chemical FormulaC148H229N43O43S2

DescriptionStandard

        YVGQRLCGSQLVDTLYSVCKHRGFYRPSE
    

Molecular Weight3362.79 Da

Isoelectric Point (pI)8.82

Net Charge (pH 7.0)1.83

Net Charge (pH 7.4) 1.54

Charge Density (pH 7.0) 0.0632

GRAVY Index-0.43

Hydrophobic Moment 0.55

Boman Index-0.10

Instability Index25.41

Aliphatic Index 70.34

Aromaticity 0.1379

Extinction Coeff. Reduced 4470.00

Extinction Coeff. Oxidized 4595.00

The radar chart summarizes major physicochemical dimensions for quick comparison, while exact numerical values remain listed on the left.

Amino Acid Composition

TPSA 1412.12

LogP -14.46

H-bond Donors 53.0

H-bond Acceptors 48.0

Rotatable Bonds 108.0

Heavy Atoms 236.0

Ring Count 6.0

Amide Bonds 30.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0025705 VERIFIED: YES

Provenance & Taxonomy

OrganismProechimys guairae [Animal]

FamilyInsulin

Tax ID10163

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Hormone Endocrine Metabolic regulation Physiological regulation

Half-LifeMammalian: 2.8 hour; Yeast: 10 min; E. coli: 2 min