Peptide Database

Peptide Namesomatostatin-28

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Standard StatusStandard

Sequence Length28 amino acids

Chemical FormulaC140H215N41O43S2

DescriptionStandard

        SAESSNQLPTRVRKEGCKNFYWKGFTSC
    

Molecular Weight3224.58 Da

Isoelectric Point (pI)9.30

Net Charge (pH 7.0)2.44

Net Charge (pH 7.4) 2.20

Charge Density (pH 7.0) 0.0872

GRAVY Index-0.96

Hydrophobic Moment 0.50

Boman Index-0.23

Instability Index38.77

Aliphatic Index 27.86

Aromaticity 0.1429

Extinction Coeff. Reduced 6990.00

Extinction Coeff. Oxidized 7115.00

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

Amino Acid Composition

TPSA 1403.36

LogP -17.61

H-bond Donors 52.0

H-bond Acceptors 48.0

Rotatable Bonds 106.0

Heavy Atoms 226.0

Ring Count 6.0

Amide Bonds 30.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0328852 VERIFIED: YES

Provenance & Taxonomy

OrganismCarassius auratus [Animal]

Familysomatostatin

Tax ID7957

Structure & Mods

Configlinear peptide with reported disulfide constraint [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide17-28

Bio-Activity Profile

Function

Hormone Endocrine

Half-LifeMammalian: 1.9 hour; Yeast: >20 hour; E. coli: >10 hour