ATP binding. similar to CR88 (EMBRYO DEFECTIVE 1956), ATP binding [Arabidopsis thaliana] (TAIR:AT2G04030.2); similar to CR88 (EMBRYO DEFECTIVE 1956), ATP binding [Arabidopsis thaliana] (TAIR:AT2G04030.1); similar to hypothetical protein [Vitis vinifera] (GB:CAN79988.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO41190.1); similar to hypothetical protein OsJ_034872 [Oryza sativa (japonica cultivar-group)] (GB:EAZ20663.1); contains InterPro domain ATP-binding region, ATPase-like; (InterPro:IPR003594); contains InterPro domain Heat shock protein Hsp90; (InterPro:IPR001404)