cob(I)alamin-[corrinoid adenosyltransferase] + ATP <=> apo-[corrinoid adenosyltransferase] + adenosylcob(III)alamin + triphosphate
cob(i)alamin-[corrinoid adenosyltransferase] + atp <=> apo-[corrinoid adenosyltransferase] + adenosylcob(iii)alamin + triphosphate