#	Chain	Domain ID	Range	Family	Classification
1	A	e2rhbA1	A:189-344	CoV_NSP15_C	372 → 372.2 → 372.2.1
2	A	e2rhbA2	A:1-188	Coronavirus replicase NSP15, middle domain / Coronavirus replicase NSP15, N-terminal oligomerisation	2003 → 2003.1 → 2003.1.5
3	B	e2rhbB1	B:189-344	CoV_NSP15_C	372 → 372.2 → 372.2.1
4	B	e2rhbB2	B:1-188	Coronavirus replicase NSP15, middle domain / Coronavirus replicase NSP15, N-terminal oligomerisation	2003 → 2003.1 → 2003.1.5
5	C	e2rhbC1	C:189-344	CoV_NSP15_C	372 → 372.2 → 372.2.1
6	C	e2rhbC2	C:1-188	Coronavirus replicase NSP15, middle domain / Coronavirus replicase NSP15, N-terminal oligomerisation	2003 → 2003.1 → 2003.1.5
7	D	e2rhbD1	D:189-344	CoV_NSP15_C	372 → 372.2 → 372.2.1
8	D	e2rhbD2	D:1-188	Coronavirus replicase NSP15, middle domain / Coronavirus replicase NSP15, N-terminal oligomerisation	2003 → 2003.1 → 2003.1.5
9	E	e2rhbE1	E:189-344	CoV_NSP15_C	372 → 372.2 → 372.2.1
10	E	e2rhbE2	E:1-188	Coronavirus replicase NSP15, middle domain / Coronavirus replicase NSP15, N-terminal oligomerisation	2003 → 2003.1 → 2003.1.5
11	F	e2rhbF1	F:191-341	CoV_NSP15_C	372 → 372.2 → 372.2.1
12	F	e2rhbF2	F:27-190	Coronavirus replicase NSP15, middle domain / Coronavirus replicase NSP15, N-terminal oligomerisation	2003 → 2003.1 → 2003.1.5

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