#	Chain	Domain ID	Range	Family	Classification
1	A	e6czaA1	A:709-854	Molydop_binding	1 → 1.1 → 1.1.2
2	A	e6czaA2	A:41-110	Molybdop_Fe4S4	1001 → 1001.1 → 1001.1.1
3	A	e6czaA3	A:192-407	Molybdopterin	2003 → 2003.2 → 2003.2.1
4	A	e6czaA4	A:111-191,A:408-708	Molybdopterin	2003 → 2003.2 → 2003.2.1
5	B	e6czaB1	B:58-163	Fer4, Fer4_7, Fer4_11	205 → 205.1 → 205.1.1
6	B	e6czaB2	B:1-57,B:164-234	Fer4_2	205 → 205.1 → 205.1.1
7	C	e6czaC1	C:709-854	Molydop_binding	1 → 1.1 → 1.1.2
8	C	e6czaC2	C:192-407	Molybdopterin	2003 → 2003.2 → 2003.2.1
9	C	e6czaC3	C:111-191,C:408-708	Molybdopterin	2003 → 2003.2 → 2003.2.1
10	C	e6czaC4	C:48-110	Molybdop_Fe4S4	1001 → 1001.1 → 1001.1.1
11	D	e6czaD1	D:58-163	Fer4, Fer4_7, Fer4_11	205 → 205.1 → 205.1.1
12	D	e6czaD2	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