alpha,alpha-trehalose 6-phosphate(in) + L-histidyl-[protein] => alpha,alpha-trehalose(out) + N(pros)-phospho-L-histidyl-[protein]
alpha,alpha-trehalose 6-phosphate(in) + l-histidyl-[protein] => alpha,alpha-trehalose(out) + n(pros)-phospho-l-histidyl-[protein]