Table 1.

ATP hydrolysis activity of HSP90.7 and its homologues

HSP90 species	k cat (min–1)	K m (mM)	Catalytic efficiency (mM–1 min–1)
HSP90.7	2.26±0.17	0.77±0.18	2.94±0.91
HSP90.7Δ22	2.34±0.15	0.44±0.11	5.34±1.67
CfGRP94a	0.072±0.004	0.065±0.013	1.11±0.27
ScHSP82a	0.66±0.08	0.38±0.19	1.72±0.58

^a CfGRP94 represents GRP94 from Canis familiaris and ScHSP82 represents HSP82 from Saccharomyces cerevisiae.