#	Chain	Domain ID	Range	Family	Classification
1	A	e4aayA1	A:122-212,A:458-699	Molybdopterin	2003 → 2003.2 → 2003.2.1
2	A	e4aayA2	A:206-457	Molybdopterin	2003 → 2003.2 → 2003.2.1
3	A	e4aayA3	A:2-121	Rieske_3	1001 → 1001.1 → 1001.1.1
4	A	e4aayA4	A:700-844	Molydop_binding	1 → 1.1 → 1.1.2
5	B	e4aayB1	B:44-101,B:144-175	66.1.1.0	66 → 66.1 → 66.1.1
6	B	e4aayB2	B:102-143	Rieske	4294 → 4294.1 → 4294.1.1
7	C	e4aayC1	C:700-844	Molydop_binding	1 → 1.1 → 1.1.2
8	C	e4aayC2	C:122-212,C:458-699	Molybdopterin	2003 → 2003.2 → 2003.2.1
9	C	e4aayC3	C:2-121	Rieske_3	1001 → 1001.1 → 1001.1.1
10	C	e4aayC4	C:206-457	Molybdopterin	2003 → 2003.2 → 2003.2.1
11	D	e4aayD1	D:102-143	Rieske	4294 → 4294.1 → 4294.1.1
12	D	e4aayD2	D:44-101,D:144-175	66.1.1.0	66 → 66.1 → 66.1.1
13	E	e4aayE1	E:2-122	Rieske_3	1001 → 1001.1 → 1001.1.1
14	E	e4aayE2	E:700-844	Molydop_binding	1 → 1.1 → 1.1.2
15	E	e4aayE3	E:206-457	Molybdopterin	2003 → 2003.2 → 2003.2.1
16	E	e4aayE4	E:123-212,E:458-699	Molybdopterin	2003 → 2003.2 → 2003.2.1
17	F	e4aayF1	F:102-143	Rieske	4294 → 4294.1 → 4294.1.1
18	F	e4aayF2	F:44-101,F:144-175	66.1.1.0	66 → 66.1 → 66.1.1
19	G	e4aayG1	G:206-333,G:358-457	Molybdopterin	2003 → 2003.2 → 2003.2.1
20	G	e4aayG2	G:2-122	Rieske_3	1001 → 1001.1 → 1001.1.1
21	G	e4aayG3	G:700-844	Molydop_binding	1 → 1.1 → 1.1.2
22	G	e4aayG4	G:123-212,G:458-699	Molybdopterin	2003 → 2003.2 → 2003.2.1
23	H	e4aayH1	H:102-143	Rieske	4294 → 4294.1 → 4294.1.1
24	H	e4aayH2	H:44-101,H:144-175	66.1.1.0	66 → 66.1 → 66.1.1

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