Casposase structure and the mechanistic link between DNA transposition and spacer acquisition by CRISPR-Cas.

0.15-0.185 M calcium acetate, 84 mM sodium acetate, pH 3.8-4.4, 7.5-9.0% PEG8000, 0.5 M potassium chloride

CRISPR-associated endonuclease Cas1, unknown/DNA Complex

Transposition, casposase, HYDROLASE-DNA complex