Crystal structure of myotoxin II (mjtx-II), a myotoxic LYS49- phospholipase A2 from bothrops moojeni.

Structure

x-ray diffraction · 1 distinct chain · 47% helix, 8% strand (DSSP).

Ligands and binding sites

• IPA · Isopropyl alcohol · additive · 6 copies · chains B, A
• PE4 · 2-{2-[2-(2-{2-[2-(2-ethoxy-ethoxy)-ethoxy]-ethoxy}-ethoxy)-ethoxy]-ethoxy}-ethanol · additive · 4 copies · chains B, A

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

Pockets

1 pocket found on a 1 Å grid, 1 with a druggability of 0.5 or more.

Interfaces

1 interface between chains.

• B–A · 561 Ų buried · 4 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 14 disulfide (disulfide).

Compared structures

• 4KF3 · Crystal Structure of Myotoxin II (MjTX-II), a myotoxic Lys49-phospholipase A2 from… · the same entry in another collection · chain B against B, TM-score 1.00
• Q9I834 · AlphaFold monomer V2.0 prediction for basic phospholipase A2 homolog myotoxin II (Q9I834) · a predicted model of the same protein · chain B against A, TM-score 0.96

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 Q9I834
• Elsewhere: RCSB PDB 4KF3 · PDBe 4KF3 · UniProt Q9I834