Peptide Database

Peptide NameInsulin B chain

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Regulatory peptide ▸ Biological regulation

Standard StatusStandard

Sequence Length38 amino acids

Chemical FormulaC201H309N51O53S2

DescriptionStandard

        VPTQRLCGSHLVDALYFVCGERGFFYSPKPIRELEPLL
    

Molecular Weight4352.04 Da

Isoelectric Point (pI)6.72

Net Charge (pH 7.0)-0.19

Net Charge (pH 7.4) -0.49

Charge Density (pH 7.0) -0.0051

GRAVY Index0.12

Hydrophobic Moment 0.62

Boman Index0.11

Instability Index27.87

Aliphatic Index 97.37

Aromaticity 0.1316

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 1638.70

LogP -10.37

H-bond Donors 58.0

H-bond Acceptors 56.0

Rotatable Bonds 135.0

Heavy Atoms 307.0

Ring Count 10.0

Amide Bonds 38.0

3D PDB MODEL

Drag to rotate. Click a residue or atom to inspect it; the selected residue is highlighted in amber in the current view mode. Use the buttons to zoom.

2D CHEMICAL STRUCTURE

Drag to move

Drag to move. Use the buttons to zoom.

RECORD: Rec_0001722 VERIFIED: YES

Provenance & Taxonomy

OrganismHydrolagus colliei [Animal]

FamilyInsulin

Tax ID7873

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Hormone Endocrine Metabolic regulation Physiological regulation

Half-LifeMammalian: 100 hour; Yeast: >20 hour; E. coli: >10 hour

RECORD: Rec_0231090 VERIFIED: YES