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 = l-histidyl-[protein] + phosphate