#	Chain	Domain ID	Range	Family	Classification
1	A	e4yzfA1	A:381-887	HCO3_cotransp	3226 → 3226.1 → 3226.1.1
2	B	e4yzfB1	B:381-887	HCO3_cotransp	3226 → 3226.1 → 3226.1.1
3	C	e4yzfC1	C:381-887	HCO3_cotransp	3226 → 3226.1 → 3226.1.1
4	D	e4yzfD1	D:381-887	HCO3_cotransp	3226 → 3226.1 → 3226.1.1
5	E	e4yzfE1	E:1-123	V-set	11 → 11.1 → 11.1.1
6	E	e4yzfE2	E:124-223	C1-set	11 → 11.1 → 11.1.1
7	F	e4yzfF1	F:112-218	C1-set	11 → 11.1 → 11.1.1
8	F	e4yzfF2	F:1-111	V-set	11 → 11.1 → 11.1.1
9	G	e4yzfG2	G:1-123	V-set	11 → 11.1 → 11.1.1
10	G	e4yzfG3	G:124-223	C1-set	11 → 11.1 → 11.1.1
11	H	e4yzfH1	H:1-111	V-set	11 → 11.1 → 11.1.1
12	H	e4yzfH2	H:112-218	C1-set	11 → 11.1 → 11.1.1
13	I	e4yzfI1	I:1-123	V-set	11 → 11.1 → 11.1.1
14	I	e4yzfI2	I:124-223	C1-set	11 → 11.1 → 11.1.1
15	J	e4yzfJ1	J:112-218	C1-set	11 → 11.1 → 11.1.1
16	J	e4yzfJ2	J:1-111	V-set	11 → 11.1 → 11.1.1
17	K	e4yzfK2	K:1-123	V-set	11 → 11.1 → 11.1.1
18	K	e4yzfK1	K:124-223	C1-set	11 → 11.1 → 11.1.1
19	L	e4yzfL1	L:1-111	V-set	11 → 11.1 → 11.1.1
20	L	e4yzfL2	L:112-218	C1-set	11 → 11.1 → 11.1.1

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