Peptide Database

Peptide NameSomatostatin-31 II

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Standard StatusStandard

Sequence Length31 amino acids

Chemical FormulaC157H243N47O47S2

DescriptionStandard

        LERSVDSTNNLPPRERKAGCKNFYWKGFTSC
    

Molecular Weight3605.03 Da

Isoelectric Point (pI)9.31

Net Charge (pH 7.0)2.74

Net Charge (pH 7.4) 2.50

Charge Density (pH 7.0) 0.0885

GRAVY Index-1.03

Hydrophobic Moment 0.54

Boman Index-0.27

Instability Index40.46

Aliphatic Index 37.74

Aromaticity 0.1290

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 1560.84

LogP -18.25

H-bond Donors 57.0

H-bond Acceptors 52.0

Rotatable Bonds 117.0

Heavy Atoms 253.0

Ring Count 7.0

Amide Bonds 33.0

3D PDB MODEL

Drag to rotate. Click a residue or atom to inspect it; the selected residue is highlighted in amber in the current view mode. Use the buttons to zoom.

2D CHEMICAL STRUCTURE

Drag to move

Drag to move. Use the buttons to zoom.

RECORD: Rec_0360509 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