Peptide Database

Peptide NameInsulin-like peptide A chain

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Regulatory peptide ▸ Biological regulation

Standard StatusStandard

Sequence Length21 amino acids

Chemical FormulaC101H148N24O38S4

DescriptionStandard

        GLVEECCYNVCDYSQLESYCN
    

Molecular Weight2434.65 Da

Isoelectric Point (pI)4.05

Net Charge (pH 7.0)-4.27

Net Charge (pH 7.4) -4.54

Charge Density (pH 7.0) -0.2035

GRAVY Index-0.21

Hydrophobic Moment 0.41

Boman Index0.04

Instability Index73.49

Aliphatic Index 64.76

Aromaticity 0.1429

Extinction Coeff. Reduced 4470.00

Extinction Coeff. Oxidized 4720.00

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

Amino Acid Composition

TPSA 1024.94

LogP -11.24

H-bond Donors 38.0

H-bond Acceptors 38.0

Rotatable Bonds 77.0

Heavy Atoms 167.0

Ring Count 3.0

Amide Bonds 23.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0098623 VERIFIED: YES

Provenance & Taxonomy

OrganismBranchiostoma californiense [Animal]

FamilyInsulin-like peptide

Tax ID7738

Structure & Mods

Configlinear peptide with reported disulfide constraint [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide6-11

Bio-Activity Profile

Function

Hormone Endocrine Metabolic regulation Physiological regulation

Half-LifeMammalian: 30 hour; Yeast: >20 hour; E. coli: >10 hour