part of part of has input has input has output has output process biotin from 7,8-diaminononanoate: step 2/2 1 1 1 1 1 1 1 1 1 enzymatic_reaction 2 H(+) + 2 S-adenosyl-L-methionine + 1 dethiobiotin + 2 e- + 1 sulfur donor => 2 5'-deoxyadenosine + 2 L-methionine + 1 biotin. EC:2.8.1.6 GO:0004076 UPa:UER00162 biotin from 7,8-diaminononanoate S-adenosyl-L-methionine L-methionine H(+) biotin dethiobiotin 5'-deoxyadenosine e- sulfur donor