#	Chain	Domain ID	Range	Family	Classification
1	A	e3fq3A1	A:1-174	Pyrophosphatase	2 → 2.5 → 2.5.1
2	B	e3fq3B1	B:1-174	Pyrophosphatase	2 → 2.5 → 2.5.1
3	C	e3fq3C1	C:2-174	Pyrophosphatase	2 → 2.5 → 2.5.1
4	D	e3fq3D1	D:2-174	Pyrophosphatase	2 → 2.5 → 2.5.1
5	E	e3fq3E1	E:1-174	Pyrophosphatase	2 → 2.5 → 2.5.1
6	F	e3fq3F1	F:2-174	Pyrophosphatase	2 → 2.5 → 2.5.1
7	G	e3fq3G1	G:1-174	Pyrophosphatase	2 → 2.5 → 2.5.1
8	H	e3fq3H1	H:2-174	Pyrophosphatase	2 → 2.5 → 2.5.1
9	I	e3fq3I1	I:1-174	Pyrophosphatase	2 → 2.5 → 2.5.1
10	J	e3fq3J1	J:1-174	Pyrophosphatase	2 → 2.5 → 2.5.1
11	K	e3fq3K1	K:1-174	Pyrophosphatase	2 → 2.5 → 2.5.1
12	L	e3fq3L1	L:2-174	Pyrophosphatase	2 → 2.5 → 2.5.1

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