Peptide Database

Peptide NameSomatostatin-28

Function Ontology

Enzyme modulation ▸ Enzyme inhibition ▸ Inhibitory neuropeptide

Hormonal / Endocrine ▸ Hormone peptide

Neurological / Signaling ▸ Neuropeptide activity ▸ Inhibitory neuropeptide

Standard StatusStandard

Sequence Length28 amino acids

Chemical FormulaC138H211N41O39S2

DescriptionStandard

        SANSNPALAPRERKAGCKNFFWKTFTSC
    

Molecular Weight3132.53 Da

Isoelectric Point (pI)9.85

Net Charge (pH 7.0)3.44

Net Charge (pH 7.4) 3.20

Charge Density (pH 7.0) 0.1229

GRAVY Index-0.66

Hydrophobic Moment 0.37

Boman Index-0.14

Instability Index30.36

Aliphatic Index 28.21

Aromaticity 0.1429

Extinction Coeff. Reduced 5500.00

Extinction Coeff. Oxidized 5625.00

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

Amino Acid Composition

TPSA 1316.81

LogP -16.29

H-bond Donors 48.0

H-bond Acceptors 45.0

Rotatable Bonds 99.0

Heavy Atoms 220.0

Ring Count 7.0

Amide Bonds 30.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0229868 VERIFIED: NO

Provenance & Taxonomy

OrganismGallus gallus [Animal]

FamilySomatostatin

Tax ID9031

Structure & Mods

Configdisulfide-constrained cyclic peptide [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide17-28

Bio-Activity Profile

Function

Hormone Inhibitory neuropeptide

RECORD: Rec_0398353 VERIFIED: NO