2.7.1.180 FAD + L-threonyl-[protein] 2.7.1.180 FAD + [Klebsiella pneumoniae cytoplasmic fumarate reductase]-L-threonine 2.7.1.180 FAD + [protein]-L-threonine 2.7.1.180 FAD + [Vibrio cholerae protein NqrC]-L-threonine 2.7.1.180 additional information