Peptide Database

Peptide NamePotassium channel blocker ShK

Function Ontology

—

Standard StatusStandard

Sequence Length29 amino acids

Chemical FormulaC122H210N42O42S6

DescriptionStandard

        CENTISGCSRADCLLTHRKQGCQKTCGLC
    

Molecular Weight3129.62 Da

Isoelectric Point (pI)8.34

Net Charge (pH 7.0)1.79

Net Charge (pH 7.4) 1.44

Charge Density (pH 7.0) 0.0617

GRAVY Index-0.33

Hydrophobic Moment 0.46

Boman Index-0.16

Instability Index22.63

Aliphatic Index 57.24

Aromaticity 0.0000

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 375.00

The radar chart summarizes major physicochemical dimensions for quick comparison, while exact numerical values remain listed on the left.

Amino Acid Composition

TPSA 1387.66

LogP -20.73

H-bond Donors 55.0

H-bond Acceptors 51.0

Rotatable Bonds 107.0

Heavy Atoms 212.0

Ring Count 1.0

Amide Bonds 31.0

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_0376586 VERIFIED: NO

Provenance & Taxonomy

OrganismAnemonia sulcata [Animal]

Structure & Mods

Configdisulfide-stabilized linear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide1-29; 8-22; 13-26

Bio-Activity Profile

Function

-

TargetKv1