Peptide Database

Peptide Namesomatostatin-29

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Standard StatusStandard

Sequence Length29 amino acids

Chemical FormulaC155H233N43O40S2

DescriptionStandard

        AAYNALPQLPQRDRKAPCKNFFWKTFTSC
    

Molecular Weight3402.90 Da

Isoelectric Point (pI)9.70

Net Charge (pH 7.0)3.77

Net Charge (pH 7.4) 3.55

Charge Density (pH 7.0) 0.1301

GRAVY Index-0.66

Hydrophobic Moment 0.51

Boman Index-0.13

Instability Index47.98

Aliphatic Index 40.69

Aromaticity 0.1724

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 1359.98

LogP -12.65

H-bond Donors 48.0

H-bond Acceptors 46.0

Rotatable Bonds 105.0

Heavy Atoms 240.0

Ring Count 9.0

Amide Bonds 32.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0117788 VERIFIED: YES

Provenance & Taxonomy

OrganismProtopterus annectens [Animal]

Familysomatostatin

Tax ID7888

Structure & Mods

Configlinear peptide with reported disulfide constraint [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide18-29

Bio-Activity Profile

Function

Hormone Endocrine

Half-LifeMammalian: 4.4 hour; Yeast: >20 hour; E. coli: >10 hour