#	Chain	Domain ID	Range	Family	Classification
1	a	e9fksa1	a:1-285	Cytochrome_B, Cytochrom_B_N_2	5069 → 5069.1 → 5069.1.1
2	a	e9fksa2	a:286-433	Cytochrom_B_C	5068 → 5068.1 → 5068.1.1
3	b	e9fksb1	b:35-239	Cytochrom_C1	107 → 107.1 → 107.1.1
4	c	e9fksc1	c:1-52	UCR_Fe-S_N	5014 → 5014.1 → 5014.1.1
5	c	e9fksc2	c:53-137	66.1.1.0	66 → 66.1 → 66.1.1
6	c	e9fksc3	c:138-180	Rieske	4294 → 4294.1 → 4294.1.1
7	d	e9fksd1	d:1-285	Cytochrome_B, Cytochrom_B_N_2	5069 → 5069.1 → 5069.1.1
8	d	e9fksd2	d:286-433	Cytochrom_B_C	5068 → 5068.1 → 5068.1.1
9	e	e9fkse1	e:35-239	Cytochrom_C1	107 → 107.1 → 107.1.1
10	f	e9fksf1	f:1-52	UCR_Fe-S_N	5014 → 5014.1 → 5014.1.1
11	f	e9fksf2	f:53-137	66.1.1.0	66 → 66.1 → 66.1.1
12	f	e9fksf3	f:138-180	Rieske	4294 → 4294.1 → 4294.1.1
13	g	e9fksg1	g:1-544	COX1	5038 → 5038.1 → 5038.1.1
14	h	e9fksh1	h:36-136	COX2, COX2_TM	5040 → 5040.1 → 5040.1.1
15	h	e9fksh2	h:137-252	COX2	3156 → 3156.1 → 3156.1.1
16	i	e9fksi1	i:1-273	COX3	5039 → 5039.1 → 5039.1.1
17	j	e9fksj1	j:1-43	COX4_pro_2	5010 → 5010.1 → 5010.1.1
18	k	e9fksk1	k:1-544	COX1	5038 → 5038.1 → 5038.1.1
19	l	e9fksl1	l:36-136	COX2, COX2_TM	5040 → 5040.1 → 5040.1.1
20	l	e9fksl2	l:137-252	COX2	3156 → 3156.1 → 3156.1.1
21	m	e9fksm1	m:1-273	COX3	5039 → 5039.1 → 5039.1.1
22	n	e9fksn1	n:1-43	COX4_pro_2	5010 → 5010.1 → 5010.1.1

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