L-histidyl-[protein] + phosphate => N(pros)-phospho-L-histidyl-[protein] + H2O
l-histidyl-[protein] + phosphate => n(pros)-phospho-l-histidyl-[protein] + h2o
L-histidyl-[protein] + phosphate => N(pros)-phospho-L-histidyl-[protein] + H2O
l-histidyl-[protein] + phosphate => n(pros)-phospho-l-histidyl-[protein] + h2o