Peptide Database

Peptide NameIslet amyloid polypeptide

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Regulatory peptide ▸ Biological regulation

Standard StatusStandard

Sequence Length32 amino acids

Chemical FormulaC147H238N46O47S2

DescriptionStandard

        NMATCATQHLANFLDRSRNNLGTIFSPTKVGS
    

Molecular Weight3465.87 Da

Isoelectric Point (pI)9.50

Net Charge (pH 7.0)1.84

Net Charge (pH 7.4) 1.57

Charge Density (pH 7.0) 0.0574

GRAVY Index-0.29

Hydrophobic Moment 0.60

Boman Index-0.02

Instability Index33.51

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 1529.49

LogP -21.37

H-bond Donors 54.0

H-bond Acceptors 52.0

Rotatable Bonds 113.0

Heavy Atoms 242.0

Ring Count 4.0

Amide Bonds 36.0

3D PDB MODEL

Drag to rotate. Click a residue or atom to inspect it; the selected residue is highlighted in amber in the current view mode. Use the buttons to zoom.

2D CHEMICAL STRUCTURE

Drag to move

Drag to move. Use the buttons to zoom.

RECORD: Rec_0267488 VERIFIED: NO

Provenance & Taxonomy

OrganismSus scrofa [Animal]

FamilyIslet amyloid polypeptide

Tax ID9823

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