#	Chain	Domain ID	Range	Family	Classification
1	A	e5knlA1	A:14-173,A:260-398	ThiF, E1_4HB	2003 → 2003.1 → 2003.1.9
2	A	e5knlA2	A:903-1012	E1_UFD	221 → 221.7 → 221.7.1
3	A	e5knlA3	A:174-259	E1_FCCH	1 → 1.1 → 1.1.7
4	A	e5knlA5	A:395-902	UBA_E1_SCCH	2003 → 2003.1 → 2003.1.9
5	B	e5knlB1	B:1-76	ubiquitin	221 → 221.1 → 221.1.1
6	C	e5knlC1	C:1-167	UQ_con	216 → 216.1 → 216.1.1
7	D	e5knlD1	D:171-259	E1_FCCH	1 → 1.1 → 1.1.7
8	D	e5knlD2	D:903-1012	E1_UFD	221 → 221.7 → 221.7.1
9	D	e5knlD3	D:395-763,D:787-902	ThiF+UBA_E1_SCCH	2003 → 2003.1 → 2003.1.9
10	D	e5knlD4	D:13-170,D:259-394	ThiF, E1_4HB	2003 → 2003.1 → 2003.1.9
11	E	e5knlE1	E:1-76	ubiquitin	221 → 221.1 → 221.1.1
12	F	e5knlF1	F:1-167	UQ_con	216 → 216.1 → 216.1.1

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