Peptide Database

Peptide NameStructure-activity relationship of peptide toxin HelaTx1: a new kappa-KTx subfamily affecting K+ channel

Function Ontology

Toxin

Standard StatusStandard

Sequence Length26 amino acids

Chemical FormulaC113H147N45O11S5

DescriptionPDB structure; NMR

        SCKKECSGSRRTKKCMQKCNREHGHX
    

Molecular Weight0.00 Da

Isoelectric Point (pI)10.09

Net Charge (pH 7.0)5.93

Net Charge (pH 7.4) 5.50

Charge Density (pH 7.0) 0.2282

GRAVY Index-1.75

Hydrophobic Moment 0.39

Boman Index-0.65

Instability Index73.69

Aliphatic Index 0.00

Aromaticity 0.0769

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 250.00

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

Amino Acid Composition

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_0431272 VERIFIED: YES

Provenance & Taxonomy

OrganismHeterometrus laoticus [other]

Tax ID217256

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

N-TermNone

C-TermNone

Bio-Activity Profile

Function

Toxin

MethodNMR