#	Chain	Domain ID	Range	Family	Classification
1	A	e3nh7A1	A:34-118	Activin_recp	382 → 382.1 → 382.1.1
2	B	e3nh7B1	B:34-118	Activin_recp	382 → 382.1 → 382.1.1
3	C	e3nh7C1	C:34-118	Activin_recp	382 → 382.1 → 382.1.1
4	D	e3nh7D1	D:34-118	Activin_recp	382 → 382.1 → 382.1.1
5	H	e3nh7H1	H:1-120	V-set	11 → 11.1 → 11.1.1
6	H	e3nh7H2	H:121-220	C1-set	11 → 11.1 → 11.1.1
7	I	e3nh7I1	I:1-120	V-set	11 → 11.1 → 11.1.1
8	I	e3nh7I2	I:121-220	C1-set	11 → 11.1 → 11.1.1
9	J	e3nh7J1	J:1-120	V-set	11 → 11.1 → 11.1.1
10	J	e3nh7J2	J:121-221	C1-set	11 → 11.1 → 11.1.1
11	K	e3nh7K1	K:1-120	V-set	11 → 11.1 → 11.1.1
12	K	e3nh7K2	K:121-221	C1-set	11 → 11.1 → 11.1.1
13	L	e3nh7L1	L:2-109	V-set	11 → 11.1 → 11.1.1
14	L	e3nh7L2	L:110-211	C1-set	11 → 11.1 → 11.1.1
15	M	e3nh7M1	M:2-109	V-set	11 → 11.1 → 11.1.1
16	M	e3nh7M2	M:110-211	C1-set	11 → 11.1 → 11.1.1
17	N	e3nh7N1	N:2-109	V-set	11 → 11.1 → 11.1.1
18	N	e3nh7N2	N:110-211	C1-set	11 → 11.1 → 11.1.1
19	O	e3nh7O1	O:2-109	V-set	11 → 11.1 → 11.1.1
20	O	e3nh7O2	O:110-211	C1-set	11 → 11.1 → 11.1.1

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