#	Chain	Domain ID	Range	Family	Classification
1	A	e4kkuA1	A:44-57,A:232-317	1.1.7.0	1 → 1.1 → 1.1.7
2	A	e4kkuA2	A:58-70,A:151-231	PF25954	1 → 1.1 → 1.1.7
3	A	e4kkuA3	A:71-150	325.1.7.0	325 → 325.1 → 325.1.7
4	B	e4kkuB1	B:44-57,B:232-317	1.1.7.0	1 → 1.1 → 1.1.7
5	B	e4kkuB2	B:58-70,B:151-231	PF25954	1 → 1.1 → 1.1.7
6	B	e4kkuB3	B:71-150	325.1.7.0	325 → 325.1 → 325.1.7
7	C	e4kkuC3	C:45-57,C:232-317	1.1.7.0	1 → 1.1 → 1.1.7
8	C	e4kkuC4	C:58-70,C:151-231	PF25954	1 → 1.1 → 1.1.7
9	C	e4kkuC5	C:71-150	325.1.7.0	325 → 325.1 → 325.1.7
10	D	e4kkuD1	D:44-57,D:232-317	1.1.7.0	1 → 1.1 → 1.1.7
11	D	e4kkuD2	D:58-70,D:151-231	PF25954	1 → 1.1 → 1.1.7
12	D	e4kkuD3	D:71-150	325.1.7.0	325 → 325.1 → 325.1.7

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