#	Chain	Domain ID	Range	Family	Classification
1	a	e8xnna1	a:1-67	MWFE	1126 → 1126.1 → 1126.1.1
2	A	e8xnnA1	A:1-115	Oxidored_q4	3456 → 3456.1 → 3456.1.1
3	b	e8xnnb1	b:2-84	NADHdh_A3	1122 → 1122.1 → 1122.1.1
4	B	e8xnnB1	B:70-224	Oxidored_q6	2007 → 2007.1 → 2007.1.3
5	C	e8xnnC1	C:43-248	Complex1_30kDa	4272 → 4272.1 → 4272.1.1
6	D	e8xnnD1	D:105-142,D:457-463	244.4.1.0	244 → 244.4 → 244.4.1
7	D	e8xnnD2	D:143-185,D:384-456	Complex1_49kDa	244 → 244.4 → 244.4.1
8	D	e8xnnD3	D:186-383	Complex1_49kDa	244 → 244.4 → 244.4.1
9	E	e8xnnE1	E:126-247	2Fe-2S_thioredx	2485 → 2485.1 → 2485.1.1
10	E	e8xnnE2	E:36-125	2Fe-2S_thioredx	3697 → 3697.1 → 3697.1.1
11	F	e8xnnF1	F:360-457	NADH_4Fe-4S	633 → 633.11 → 633.11.1
12	F	e8xnnF2	F:274-359	SLBB_2	221 → 221.1 → 221.1.4
13	F	e8xnnF3	F:30-273	Complex1_51K	4335 → 4335.1 → 4335.1.1
14	G	e8xnnG1	G:301-370,G:519-716	Molybdopterin,NADH_dhqG_C	2003 → 2003.2 → 2003.2.1
15	G	e8xnnG2	G:29-104	Fer2_4	221 → 221.1 → 221.1.1
16	G	e8xnnG3	G:241-300	NDSU1_4Fe-4S	1001 → 1001.1 → 1001.1.1
17	G	e8xnnG4	G:371-518	Molybdopterin	2003 → 2003.2 → 2003.2.1
18	G	e8xnnG5	G:105-159	NADH-G_4Fe-4S_3	5100 → 5100.1 → 5100.1.1
19	G	e8xnnG6	G:160-240	Nqo3_Fer4	205 → 205.1 → 205.1.1
20	H	e8xnnH1	H:1-318	NADHdh	3281 → 3281.1 → 3281.1.2
21	I	e8xnnI1	I:35-212	Fer4+Fer4_7	205 → 205.1 → 205.1.1
22	P	e8xnnP1	P:36-377	NmrA	2003 → 2003.1 → 2003.1.1
23	q	e8xnnq1	q:1-144	NDUFA12	1129 → 1129.1 → 1129.1.1
24	Q	e8xnnQ1	Q:51-175	NDUS4	3203 → 3203.1 → 3203.1.1
25	R	e8xnnR1	R:21-115	zf-CHCC	375 → 375.1 → 375.1.8
26	S	e8xnnS1	S:14-96	L51_S25_CI-B8	2485 → 2485.1 → 2485.1.1
27	T	e8xnnT1	T:76-150	PP-binding	132 → 132.1 → 132.1.1
28	V	e8xnnV1	V:5-116	ETC_C1_NDUFA5	6004 → 6004.1 → 6004.1.1
29	W	e8xnnW1	W:18-131	Complex1_LYR_2	1128 → 1128.1 → 1128.1.1
30	X	e8xnnX1	X:2-172	CHCH	568 → 568.1 → 568.1.1
31	Z	e8xnnZ1	Z:6-144	GRIM-19	1132 → 1132.1 → 1132.1.1

Visualization Legend

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