Peptide Database

Peptide NameSomatostatin-20

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Standard StatusStandard

Sequence Length20 amino acids

Chemical FormulaC107H161N31O27S2

DescriptionStandard

        APRERKAGCKNFFWKTFTSC
    

Molecular Weight2377.74 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) 0.1888

GRAVY Index-0.79

Hydrophobic Moment 0.35

Boman Index-0.23

Instability Index30.32

Aliphatic Index 10.00

Aromaticity 0.2000

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 966.16

LogP -9.49

H-bond Donors 37.0

H-bond Acceptors 33.0

Rotatable Bonds 76.0

Heavy Atoms 167.0

Ring Count 6.0

Amide Bonds 20.0

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_0060126 VERIFIED: NO

Provenance & Taxonomy

OrganismSus scrofa [Animal]

FamilySomatostatin

Tax ID9823

Structure & Mods

Configdisulfide-constrained cyclic peptide [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide9-20

Bio-Activity Profile

Function

Hormone