#	Chain	Domain ID	Range	Family	Classification
1	A	e4y42A1	A:2-86	CYNS_N	101 → 101.1 → 101.1.4
2	A	e4y42A2	A:87-156	Cyanate_lyase	812 → 812.2 → 812.2.1
3	B	e4y42B1	B:2-86	CYNS_N	101 → 101.1 → 101.1.4
4	B	e4y42B2	B:87-156	Cyanate_lyase	812 → 812.2 → 812.2.1
5	C	e4y42C1	C:87-156	Cyanate_lyase	812 → 812.2 → 812.2.1
6	C	e4y42C2	C:2-86	CYNS_N	101 → 101.1 → 101.1.4
7	D	e4y42D1	D:2-86	CYNS_N	101 → 101.1 → 101.1.4
8	D	e4y42D2	D:87-156	Cyanate_lyase	812 → 812.2 → 812.2.1
9	E	e4y42E1	E:2-86	CYNS_N	101 → 101.1 → 101.1.4
10	E	e4y42E2	E:87-156	Cyanate_lyase	812 → 812.2 → 812.2.1
11	F	e4y42F1	F:2-86	CYNS_N	101 → 101.1 → 101.1.4
12	F	e4y42F2	F:87-156	Cyanate_lyase	812 → 812.2 → 812.2.1
13	G	e4y42G1	G:2-86	CYNS_N	101 → 101.1 → 101.1.4
14	G	e4y42G2	G:87-156	Cyanate_lyase	812 → 812.2 → 812.2.1
15	H	e4y42H1	H:2-86	CYNS_N	101 → 101.1 → 101.1.4
16	H	e4y42H2	H:87-156	Cyanate_lyase	812 → 812.2 → 812.2.1
17	I	e4y42I1	I:87-156	Cyanate_lyase	812 → 812.2 → 812.2.1
18	I	e4y42I2	I:2-86	CYNS_N	101 → 101.1 → 101.1.4
19	J	e4y42J1	J:2-86	CYNS_N	101 → 101.1 → 101.1.4
20	J	e4y42J2	J:87-156	Cyanate_lyase	812 → 812.2 → 812.2.1

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