#	Chain	Domain ID	Range	Family	Classification
1	A	e9iflA1	A:0-171,A:289-360	Pyr_redox_2	2003 → 2003.1 → 2003.1.2
2	A	e9iflA2	A:172-288	Pyr_redox_2	2003 → 2003.1 → 2003.1.2
3	A	e9iflA3	A:361-488	Pyr_redox_dim	244 → 244.2 → 244.2.1
4	B	e9iflB1	B:2-173,B:291-362	Pyr_redox_2	2003 → 2003.1 → 2003.1.2
5	B	e9iflB2	B:174-290	Pyr_redox_2	2003 → 2003.1 → 2003.1.2
6	B	e9iflB3	B:363-489	Pyr_redox_dim	244 → 244.2 → 244.2.1
7	C	e9iflC1	C:3-174,C:292-363	Pyr_redox_2	2003 → 2003.1 → 2003.1.2
8	C	e9iflC2	C:175-291	Pyr_redox_2	2003 → 2003.1 → 2003.1.2
9	C	e9iflC3	C:364-488	Pyr_redox_dim	244 → 244.2 → 244.2.1
10	D	e9iflD1	D:-2-169,D:287-358	Pyr_redox_2	2003 → 2003.1 → 2003.1.2
11	D	e9iflD2	D:170-286	Pyr_redox_2	2003 → 2003.1 → 2003.1.2
12	D	e9iflD3	D:359-488	Pyr_redox_dim	244 → 244.2 → 244.2.1

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