Peptide Database

Peptide NameSomatostatin-34

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Standard StatusStandard

Sequence Length34 amino acids

Chemical FormulaC165H258N48O45S2

DescriptionStandard

        AAAVAGSPQQLLPLGQRERKAGCKNFFWKTFSSC
    

Molecular Weight3698.24 Da

Isoelectric Point (pI)9.85

Net Charge (pH 7.0)3.78

Net Charge (pH 7.4) 3.55

Charge Density (pH 7.0) 0.1111

GRAVY Index-0.25

Hydrophobic Moment 0.48

Boman Index-0.01

Instability Index54.09

Aliphatic Index 57.65

Aromaticity 0.1176

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 1514.27

LogP -16.68

H-bond Donors 54.0

H-bond Acceptors 51.0

Rotatable Bonds 120.0

Heavy Atoms 260.0

Ring Count 7.0

Amide Bonds 37.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0142865 VERIFIED: NO

Provenance & Taxonomy

OrganismPetromyzon marinus [Animal]

FamilySomatostatin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Hormone

RECORD: Rec_0352111 VERIFIED: YES

Provenance & Taxonomy

OrganismPetromyzon marinus [Animal]

FamilySomatostatin

Tax ID7757

Structure & Mods

Configdisulfide-constrained peptide [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide23-34

Bio-Activity Profile

Function

Hormone Endocrine

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