holo-[peptidyl-carrier protein] + L-threonine + ATP => L-threonyl-[peptidyl-carrier protein] + AMP + diphosphate
holo-[peptidyl-carrier protein] + l-threonine + atp => l-threonyl-[peptidyl-carrier protein] + amp + diphosphate
holo-[peptidyl-carrier protein] + L-threonine + ATP => L-threonyl-[peptidyl-carrier protein] + AMP + diphosphate
holo-[peptidyl-carrier protein] + l-threonine + atp => l-threonyl-[peptidyl-carrier protein] + amp + diphosphate