#	Chain	Domain ID	Range	Family	Classification
1	C	e6xkxC1	C:2-284	Cytochrome_B, Cytochrom_B_N_2	5069 → 5069.1 → 5069.1.1
2	C	e6xkxC2	C:283-428	Cytochrom_B_C	5068 → 5068.1 → 5068.1.1
3	D	e6xkxD1	D:5-257	Cytochrom_C1	107 → 107.1 → 107.1.1
4	E	e6xkxE1	E:105-191	Rieske	4294 → 4294.1 → 4294.1.1
5	E	e6xkxE2	E:11-42	UCR_Fe-S_N	5014 → 5014.1 → 5014.1.1
6	E	e6xkxE3	E:43-104	66.1.1.0	66 → 66.1 → 66.1.1
7	n	e6xkxn1	n:57-527	COX1	5038 → 5038.1 → 5038.1.1
8	o	e6xkxo1	o:9-178,o:215-234	FixO	107 → 107.1 → 107.1.1
9	p	e6xkxp1	p:69-171,p:263-295	Cytochrom_C	107 → 107.1 → 107.1.1
10	p	e6xkxp2	p:172-262	Cytochrom_C	107 → 107.1 → 107.1.1
11	p	e6xkxp3	p:13-68	FixP_N	5040 → 5040.1 → 5040.1.1
12	P	e6xkxP1	P:283-428	Cytochrom_B_C	5068 → 5068.1 → 5068.1.1
13	P	e6xkxP2	P:2-284	Cytochrome_B, Cytochrom_B_N_2	5069 → 5069.1 → 5069.1.1
14	Q	e6xkxQ1	Q:5-257	Cytochrom_C1	107 → 107.1 → 107.1.1
15	R	e6xkxR1	R:105-191	Rieske	4294 → 4294.1 → 4294.1.1
16	R	e6xkxR2	R:11-42	UCR_Fe-S_N	5014 → 5014.1 → 5014.1.1
17	R	e6xkxR3	R:43-104	66.1.1.0	66 → 66.1 → 66.1.1

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