#	Chain	Domain ID	Range	Family	Classification
1	1	e5iy511	1:0-104	Cytochrom_C	107 → 107.1 → 107.1.1
2	2	e5iy521	2:0-104	Cytochrom_C	107 → 107.1 → 107.1.1
3	A	e5iy5A1	A:1-514	COX1	5038 → 5038.1 → 5038.1.1
4	B	e5iy5B1	B:1-90	COX2_TM	5040 → 5040.1 → 5040.1.1
5	B	e5iy5B2	B:91-227	COX2	3156 → 3156.1 → 3156.1.1
6	C	e5iy5C1	C:3-261	COX3	5039 → 5039.1 → 5039.1.1
7	D	e5iy5D1	D:4-147	COX4	5003 → 5003.1 → 5003.1.1
8	E	e5iy5E1	E:5-109	COX5A	109 → 109.7 → 109.7.1
9	F	e5iy5F1	F:1-98	COX5B	375 → 375.1 → 375.1.8
10	G	e5iy5G1	G:1-84	COX6A	5004 → 5004.1 → 5004.1.1
11	H	e5iy5H1	H:7-85	COX6B	540 → 540.1 → 540.1.1
12	I	e5iy5I1	I:1-73	COX6C	5005 → 5005.1 → 5005.1.1
13	J	e5iy5J1	J:1-58	COX7a	5006 → 5006.1 → 5006.1.1
14	K	e5iy5K1	K:6-54	COX7B	5007 → 5007.1 → 5007.1.1
15	L	e5iy5L1	L:2-47	COX7C	5008 → 5008.1 → 5008.1.1
16	M	e5iy5M1	M:1-43	COX8	5009 → 5009.1 → 5009.1.1
17	N	e5iy5N1	N:1-514	COX1	5038 → 5038.1 → 5038.1.1
18	O	e5iy5O1	O:1-90	COX2_TM	5040 → 5040.1 → 5040.1.1
19	O	e5iy5O2	O:91-227	COX2	3156 → 3156.1 → 3156.1.1
20	P	e5iy5P1	P:3-261	COX3	5039 → 5039.1 → 5039.1.1
21	Q	e5iy5Q1	Q:4-147	COX4	5003 → 5003.1 → 5003.1.1
22	R	e5iy5R1	R:5-109	COX5A	109 → 109.7 → 109.7.1
23	S	e5iy5S1	S:1-98	COX5B	375 → 375.1 → 375.1.8
24	T	e5iy5T1	T:1-84	COX6A	5004 → 5004.1 → 5004.1.1
25	U	e5iy5U1	U:7-85	COX6B	540 → 540.1 → 540.1.1
26	V	e5iy5V1	V:1-73	COX6C	5005 → 5005.1 → 5005.1.1
27	W	e5iy5W1	W:1-58	COX7a	5006 → 5006.1 → 5006.1.1
28	X	e5iy5X1	X:6-54	COX7B	5007 → 5007.1 → 5007.1.1
29	Y	e5iy5Y1	Y:2-47	COX7C	5008 → 5008.1 → 5008.1.1
30	Z	e5iy5Z1	Z:1-43	COX8	5009 → 5009.1 → 5009.1.1

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