#	Chain	Domain ID	Range	Family	Classification
1	A	e3kq4A1	A:25-299	Cobalamin_bind	109 → 109.2 → 109.2.1
2	A	e3kq4A2	A:308-417	221.1.1.0	221 → 221.1 → 221.1.1
3	B	e3kq4B1	B:932-1042	CUB	10 → 10.4 → 10.4.1
4	B	e3kq4B2	B:1165-1277	CUB	10 → 10.4 → 10.4.1
5	B	e3kq4B3	B:1046-1163	CUB	10 → 10.4 → 10.4.1
6	B	e3kq4B4	B:1279-1388	CUB	10 → 10.4 → 10.4.1
7	C	e3kq4C2	C:308-417	221.1.1.0	221 → 221.1 → 221.1.1
8	C	e3kq4C3	C:25-299	Cobalamin_bind	109 → 109.2 → 109.2.1
9	D	e3kq4D1	D:1165-1277	CUB	10 → 10.4 → 10.4.1
10	D	e3kq4D2	D:932-1042	CUB	10 → 10.4 → 10.4.1
11	D	e3kq4D3	D:1045-1163	CUB	10 → 10.4 → 10.4.1
12	D	e3kq4D4	D:1279-1388	CUB	10 → 10.4 → 10.4.1
13	E	e3kq4E2	E:308-417	221.1.1.0	221 → 221.1 → 221.1.1
14	E	e3kq4E3	E:25-299	Cobalamin_bind	109 → 109.2 → 109.2.1
15	F	e3kq4F1	F:1165-1277	CUB	10 → 10.4 → 10.4.1
16	F	e3kq4F2	F:932-1042	CUB	10 → 10.4 → 10.4.1
17	F	e3kq4F3	F:1045-1163	CUB	10 → 10.4 → 10.4.1
18	F	e3kq4F4	F:1279-1388	CUB	10 → 10.4 → 10.4.1

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