MolNFT v1 · #111999 · protein

X-ray structure of racemic shk Q16K toxin

4Z7P · Potassium channel toxin kappa-stichotoxin-SHE1A: “X-ray structure of racemic shk Q16K toxin”. X-ray diffraction, 1 ligand (SO4). MolNFT v1 #111999 on GenesisL1: 3D structure, binding sites and pockets in GL1X.

PDB: 4Z7P
Type: protein
Length: 35 residues
Chains: 1
Method: x-ray diffraction
Collection: MolNFT v1 / PDB
Contract: 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner: 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule: Potassium channel toxin kappa-stichotoxin-SHE1A
UniProt: P29187
Ligands: SO4

Structure

x-ray diffraction · 1 distinct chain · 46% helix, 0% strand (DSSP).

Chain	Molecule	Type	Residues	Secondary structure	UniProt
A	Potassium channel toxin kappa-stichotoxin-SHE1A	protein	35	46% helix, 0% strand	P29187

Ligands and binding sites

SO4 · Sulfate ion · ion · 5 copies · chains A

Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.

Modifications

Observed in the structure: 3 disulfide (disulfide).

Compared structures

4Z7P · X-ray structure of racemic ShK Q16K toxin · the same entry in another collection · chain A against A, TM-score 1.00
P29187 · AlphaFold monomer V2.0 prediction for kappa-stichotoxin-SHE3A (P29187) · a predicted model of the same protein · chain A against A, TM-score 0.91

Analyse

Open in the research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides and crosslinks on the 3D structure
Every structure of UniProt P29187
Elsewhere: RCSB PDB 4Z7P · PDBe 4Z7P · UniProt P29187

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