#	Chain	Domain ID	Range	Family	Classification
1	A	e6cz9A1	A:111-191,A:408-708	Molybdopterin	2003 → 2003.2 → 2003.2.1
2	A	e6cz9A2	A:41-110	Molybdop_Fe4S4	1001 → 1001.1 → 1001.1.1
3	A	e6cz9A3	A:709-854	Molydop_binding	1 → 1.1 → 1.1.2
4	A	e6cz9A4	A:192-407	Molybdopterin	2003 → 2003.2 → 2003.2.1
5	B	e6cz9B1	B:1-57,B:164-234	Fer4_2	205 → 205.1 → 205.1.1
6	B	e6cz9B2	B:58-163	Fer4, Fer4_7, Fer4_11	205 → 205.1 → 205.1.1
7	C	e6cz9C1	C:111-191,C:408-708	Molybdopterin	2003 → 2003.2 → 2003.2.1
8	C	e6cz9C2	C:192-407	Molybdopterin	2003 → 2003.2 → 2003.2.1
9	C	e6cz9C3	C:48-110	Molybdop_Fe4S4	1001 → 1001.1 → 1001.1.1
10	C	e6cz9C4	C:709-854	Molydop_binding	1 → 1.1 → 1.1.2
11	D	e6cz9D1	D:58-163	Fer4, Fer4_7, Fer4_11	205 → 205.1 → 205.1.1
12	D	e6cz9D2	D:1-57,D:164-234	Fer4_2	205 → 205.1 → 205.1.1

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