Peptide Database

Peptide NameInsulin-like 3 B chain

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Regulatory peptide ▸ Biological modulation

Standard StatusStandard

Sequence Length34 amino acids

Chemical FormulaC155H244N52O44S2

DescriptionStandard

        SAPAPGAREKLCGHHFVRALVRVCGGPRWSSEDG
    

Molecular Weight3604.05 Da

Isoelectric Point (pI)8.94

Net Charge (pH 7.0)1.62

Net Charge (pH 7.4) 1.28

Charge Density (pH 7.0) 0.0477

GRAVY Index-0.40

Hydrophobic Moment 0.77

Boman Index-0.06

Instability Index53.91

Aliphatic Index 60.29

Aromaticity 0.0588

Extinction Coeff. Reduced 5500.00

Extinction Coeff. Oxidized 5625.00

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

Amino Acid Composition

TPSA 1516.61

LogP -17.67

H-bond Donors 56.0

H-bond Acceptors 50.0

Rotatable Bonds 112.0

Heavy Atoms 253.0

Ring Count 8.0

Amide Bonds 33.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0054101 VERIFIED: YES

Provenance & Taxonomy

OrganismCanis lupus familiaris [Animal]

FamilyInsulin-like

Tax ID9615

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Hormone Endocrine Receptor modulation

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