https://www.ncbi.nlm.nih.gov/Structure/pdb/6O7D
6O7D: Crystal structure of Csm1-Csm4 cassette in complex with one ATP
CRISPR system single-strand-specific deoxyribonuclease Cas10/Csm1 (subtype III-A)Csm4ADENOSINE-5'-TRIPHOSPHATEMANGANESE (II) ION
crystal structure