Peptide Database

Peptide NameSomatostatin-31 I

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Standard StatusStandard

Sequence Length31 amino acids

Chemical FormulaC154H241N45O41S2

DescriptionStandard

        LERAASGGPLLAPRERKAGCKNFFWKTFTSC
    

Molecular Weight3442.97 Da

Isoelectric Point (pI)9.84

Net Charge (pH 7.0)3.74

Net Charge (pH 7.4) 3.50

Charge Density (pH 7.0) 0.1207

GRAVY Index-0.39

Hydrophobic Moment 0.38

Boman Index-0.08

Instability Index27.09

Aliphatic Index 50.65

Aromaticity 0.1290

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 1396.90

LogP -14.09

H-bond Donors 52.0

H-bond Acceptors 47.0

Rotatable Bonds 111.0

Heavy Atoms 242.0

Ring Count 7.0

Amide Bonds 31.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0132160 VERIFIED: NO

Provenance & Taxonomy

OrganismLophius piscatorius [Animal]

FamilySomatostatin

Structure & Mods

Configdisulfide-constrained cyclic peptide [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide17-28

Bio-Activity Profile

Function

Hormone