1.97.1.1 cytochrome c - 744933 1.97.1.1 cytochrome c 6 kDa periplasmatic cytochrome c 695767 1.97.1.1 heme b - 660446 1.97.1.1 molybdenum cofactor molybdo-enzyme 437682 1.97.1.1 molybdopterin sequence contains a molybdopterin-binding domain 674244