Peptide Database

Peptide NameIslet amyloid polypeptide

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Regulatory peptide ▸ Biological regulation

Standard StatusStandard

Sequence Length32 amino acids

Chemical FormulaC140H224N44O47S2

DescriptionStandard

        NTATCSMHRLADFLGRSSNNFGAILSPTNVGS
    

Molecular Weight3339.67 Da

Isoelectric Point (pI)8.26

Net Charge (pH 7.0)0.84

Net Charge (pH 7.4) 0.57

Charge Density (pH 7.0) 0.0262

GRAVY Index-0.10

Hydrophobic Moment 0.72

Boman Index0.06

Instability Index44.73

Aliphatic Index 67.19

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 1480.61

LogP -22.53

H-bond Donors 53.0

H-bond Acceptors 51.0

Rotatable Bonds 107.0

Heavy Atoms 233.0

Ring Count 4.0

Amide Bonds 35.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0092964 VERIFIED: NO

Provenance & Taxonomy

OrganismSaguinus oedipus [Animal]

FamilyIslet amyloid polypeptide

Tax ID9490

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Hormone Endocrine Metabolic regulation Physiological regulation

Half-LifeMammalian: 1.4 hour; Yeast: 3 min; E. coli: >10 hour