AN ANCIENT ENZYME: ACETATE KINASE FROM METHANOSARCINA THERMOPHILA

Urkinase: structure of acetate kinase, a member of the ASKHA superfamily of phosphotransferases.

Ammonium sulfate, sodium HEPES, adenosine triphosphate, magnesium chloride, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 20K

ALPHA/BETA; ASKHA (ACETATE AND SUGAR KINASES, HSC70, ACTIN) SUPERFAMILY; CONSERVED EPSILON CONFORMATION; TWO SIMILAR DOMAINS, TRANSFERASE