. Author manuscript; available in PMC: 2015 Dec 1.

Published in final edited form as: FEBS J. 2014 Oct 25;281(23):5325–5340. doi: 10.1111/febs.13073

Table 4. Properties of the FNR/FMN domain interaction surfaces of selected di-flavin reductases.

Protein	Neuronal nitric oxide synthase	Endothelial nitric oxide synthase	Cytochrome P450 reductase	Methionine Synthase reductase	Methionine Synthase reductase
PDB file	1TLL	Model (template: 1TLL)	1AMO	Model (template: 1AMO)	Model (template: 1TLL)
Total interface area (Å²)	2510.9	2502.2	2501.5	1970.4	1980.8
% Charged residues	40.0	47.4	57.1	52.9	31.2
Non bonded contacts	83	101	84	134	60
Hydrogen bonds	2	3	5	2	0
Salt bridges	1	1	4	2	1