Peptide Database

Peptide NameIslet amyloid polypeptide

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Regulatory peptide ▸ Biological regulation

Standard StatusStandard

Sequence Length32 amino acids

Chemical FormulaC142H232N40O46S2

DescriptionStandard

        GTATCETQRLANFLAPSSNKLGAIFSPTKMGS
    

Molecular Weight3299.73 Da

Isoelectric Point (pI)9.31

Net Charge (pH 7.0)1.75

Net Charge (pH 7.4) 1.53

Charge Density (pH 7.0) 0.0547

GRAVY Index-0.11

Hydrophobic Moment 0.44

Boman Index0.08

Instability Index44.05

Aliphatic Index 61.25

Aromaticity 0.0625

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 0.00

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

Amino Acid Composition

TPSA 1390.19

LogP -19.34

H-bond Donors 49.0

H-bond Acceptors 50.0

Rotatable Bonds 107.0

Heavy Atoms 230.0

Ring Count 4.0

Amide Bonds 34.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0307000 VERIFIED: NO

Provenance & Taxonomy

OrganismOvis aries [Animal]

FamilyIslet amyloid polypeptide

Tax ID9940

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Hormone Endocrine Metabolic regulation Physiological regulation

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