#	Chain	Domain ID	Range	Family	Classification
1	A	e4zn0A1	A:114-238	Pyr_redox	2003 → 2003.1 → 2003.1.2
2	A	e4zn0A2	A:4-36,A:56-113,A:239-307	Pyr_redox_2+FAD_oxidored	2003 → 2003.1 → 2003.1.2
3	B	e4zn0B1	B:114-242	Pyr_redox_2	2003 → 2003.1 → 2003.1.2
4	B	e4zn0B2	B:4-36,B:63-113,B:243-307	FAD_binding_3, Pyr_redox_2	2003 → 2003.1 → 2003.1.2
5	C	e4zn0C1	C:115-239	Pyr_redox	2003 → 2003.1 → 2003.1.2
6	C	e4zn0C2	C:4-37,C:64-114,C:240-307	FAD_binding_3, Pyr_redox_2	2003 → 2003.1 → 2003.1.2
7	D	e4zn0D1	D:114-238	Pyr_redox	2003 → 2003.1 → 2003.1.2
8	D	e4zn0D2	D:5-35,D:67-113,D:239-306	Pyr_redox_2+FAD_oxidored	2003 → 2003.1 → 2003.1.2

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