Molecular Docking Study on the Interaction of Riboflavin (Vitamin B₂) and Cyanocobalamin (Vitamin B₁₂) Coenzymes

Table 2

List of hydrogen bonds between riboflavin and coenzyme B₁₂ containing enzymes.

S. no	Enzyme name	No. of H-bonds	Amino acid residue atom	Ligand atom	H-bond distance (Å)
1	Glutamate mutase (1ccw)	2	Gly120 (NH)	(O2)	2.52
			Thr121 (NH)	(N1)	2.72
			Cys302 (SH)	(N5)	2.50
2	Diol dehydratase (1egm)	3	Ser301 (O)	(N1)	2.96
			Arg699 (N)	(O2)	2.82
3	Methionine synthase (3iv9)	2	His759 (NH)	(O4)	2.68
			His1145 (NH)	(O2)	2.72