Peptide Database

Peptide NameInsulin-like 3 A chain

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Regulatory peptide ▸ Biological modulation

Standard StatusStandard

Sequence Length26 amino acids

Chemical FormulaC115H192N38O35S4

DescriptionStandard

        ATAINPARHCCLSGCTRQDLLTLCPH
    

Molecular Weight2795.25 Da

Isoelectric Point (pI)7.95

Net Charge (pH 7.0)0.93

Net Charge (pH 7.4) 0.58

Charge Density (pH 7.0) 0.0358

GRAVY Index0.10

Hydrophobic Moment 0.34

Boman Index0.02

Instability Index65.49

Aliphatic Index 86.54

Aromaticity 0.0000

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 250.00

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

Amino Acid Composition

TPSA 1158.80

LogP -14.62

H-bond Donors 44.0

H-bond Acceptors 42.0

Rotatable Bonds 86.0

Heavy Atoms 192.0

Ring Count 4.0

Amide Bonds 27.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0368385 VERIFIED: YES

Provenance & Taxonomy

OrganismBos taurus [Animal]

FamilyInsulin-like

Tax ID9913

Structure & Mods

Configlinear peptide with reported disulfide constraint [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide10-15

Bio-Activity Profile

Function

Hormone Endocrine Receptor modulation

Half-LifeMammalian: 4.4 hour; Yeast: >20 hour; E. coli: >10 hour