#	Chain	Domain ID	Range	Family	Classification
1	A	e8e9hA1	A:30-122	Oxidored_q4	3456 → 3456.1 → 3456.1.1
2	B	e8e9hB1	B:1-170	Oxidored_q6	2007 → 2007.1 → 2007.1.3
3	C	e8e9hC1	C:102-197	Complex1_30kDa	4272 → 4272.1 → 4272.1.1
4	D	e8e9hD1	D:79-121,D:322-410	Complex1_49kDa	244 → 244.4 → 244.4.1
5	D	e8e9hD2	D:122-321	Complex1_49kDa	4025 → 4025.1 → 4025.1.1
6	D	e8e9hD3	D:36-78,D:411-442	Complex1_49kDa	244 → 244.4 → 244.4.1
7	E	e8e9hE1	E:99-237	2Fe-2S_thioredx	2485 → 2485.1 → 2485.1.1
8	E	e8e9hE2	E:6-98	2Fe-2S_thioredx	3697 → 3697.1 → 3697.1.1
9	F	e8e9hF1	F:249-331	SLBB	221 → 221.1 → 221.1.4
10	F	e8e9hF2	F:2-248	Complex1_51K	4335 → 4335.1 → 4335.1.1
11	F	e8e9hF3	F:332-437	NADH_4Fe-4S	633 → 633.11 → 633.11.1
12	G	e8e9hG1	G:12-95	Fer2_4	221 → 221.1 → 221.1.1
13	G	e8e9hG2	G:96-225	205.1.1.0	205 → 205.1 → 205.1.1
14	G	e8e9hG3	G:287-358,G:502-676	Molybdopterin	2003 → 2003.2 → 2003.2.1
15	G	e8e9hG4	G:226-286	NDSU1_4Fe-4S	1001 → 1001.1 → 1001.1.1
16	G	e8e9hG5	G:677-793	Molydop_binding	1 → 1.1 → 1.1.2
17	G	e8e9hG6	G:359-501	2003.2.1.0	2003 → 2003.2 → 2003.2.1
18	H	e8e9hH1	H:1-395	NADHdh	3281 → 3281.1 → 3281.1.2
19	I	e8e9hI1	I:26-168	Fer4+Fer4_7	205 → 205.1 → 205.1.1
20	J	e8e9hJ1	J:1-204	Oxidored_q3	3579 → 3579.1 → 3579.1.1
21	K	e8e9hK1	K:1-99	Oxidored_q2	3843 → 3843.1 → 3843.1.1
22	L	e8e9hL1	L:5-629	Proton_antipo_M,Proton_antipo_N	3281 → 3281.1 → 3281.1.1
23	M	e8e9hM1	M:4-520	Proton_antipo_M	3281 → 3281.1 → 3281.1.1
24	N	e8e9hN1	N:3-521	Proton_antipo_M	3281 → 3281.1 → 3281.1.1
25	O	e8e9hO1	O:4-128	2007.1.3.0	2007 → 2007.1 → 2007.1.3

ECOD domains (colored by index)Unclassified protein regionsNucleic acids (RNA/DNA)Ligands/cofactors