Peptide Database

Peptide NameSomatostatin-2

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Standard StatusStandard

Sequence Length28 amino acids

Chemical FormulaC137H213N41O41S2

DescriptionStandard

        SADQPNSIPPRERKAGCKNFYWKGLTSC
    

Molecular Weight3154.54 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-1.05

Hydrophobic Moment 0.35

Boman Index-0.23

Instability Index27.83

Aliphatic Index 35.00

Aromaticity 0.1071

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 1345.32

LogP -16.20

H-bond Donors 48.0

H-bond Acceptors 46.0

Rotatable Bonds 100.0

Heavy Atoms 221.0

Ring Count 7.0

Amide Bonds 30.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0290657 VERIFIED: YES

Provenance & Taxonomy

OrganismOreochromis niloticus [Animal]

FamilySomatostatin

Tax ID8128

Structure & Mods

Configdisulfide-constrained peptide [Cyclic]

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

RECORD: Rec_0310218 VERIFIED: NO