Peptide Database

Peptide NameSomatostatin-2

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Standard StatusStandard

Sequence Length57 amino acids

Chemical FormulaC266H423N77O86S3

DescriptionStandard

        GRSHMVLNSALEGARGGPGGEEIPERFSIPELQWMLSNAELAPVQADEPPQSRMDLV
    

Molecular Weight6171.86 Da

Isoelectric Point (pI)4.48

Net Charge (pH 7.0)-5.13

Net Charge (pH 7.4) -5.40

Charge Density (pH 7.0) -0.0900

GRAVY Index-0.44

Hydrophobic Moment 0.52

Boman Index0.01

Instability Index68.11

Aliphatic Index 78.77

Aromaticity 0.0351

Extinction Coeff. Reduced 5500.00

Extinction Coeff. Oxidized 5500.00

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

Amino Acid Composition

TPSA 2584.55

LogP -27.43

H-bond Donors 85.0

H-bond Acceptors 85.0

Rotatable Bonds 200.0

Heavy Atoms 432.0

Ring Count 10.0

Amide Bonds 61.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0072542 VERIFIED: YES

Provenance & Taxonomy

OrganismPiaractus mesopotamicus [Animal]

FamilySomatostatin

Tax ID42528

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Hormone Endocrine

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