#	Chain	Domain ID	Range	Family	Classification
1	A	e3otpA1	A:9-32,A:82-259	Trypsin_2	1 → 1.1 → 1.1.17
2	A	e3otpA2	A:260-357	PDZ	7 → 7.1 → 7.1.1
3	A	e3otpA5	A:359-448	PDZ	7 → 7.1 → 7.1.1
4	B	e3otpB10	B:11-35,B:82-259	Trypsin_2	1 → 1.1 → 1.1.17
5	B	e3otpB11	B:260-357	PDZ	7 → 7.1 → 7.1.1
6	B	e3otpB12	B:358-448	PDZ	7 → 7.1 → 7.1.1
7	C	e3otpC2	C:260-357	PDZ	7 → 7.1 → 7.1.1
8	C	e3otpC6	C:11-35,C:82-259	Trypsin_2	1 → 1.1 → 1.1.17
9	C	e3otpC7	C:359-448	PDZ	7 → 7.1 → 7.1.1
10	D	e3otpD10	D:11-35,D:82-259	Trypsin_2	1 → 1.1 → 1.1.17
11	D	e3otpD11	D:260-357	PDZ	7 → 7.1 → 7.1.1
12	D	e3otpD12	D:359-448	PDZ	7 → 7.1 → 7.1.1
13	E	e3otpE10	E:11-35,E:82-259	Trypsin_2	1 → 1.1 → 1.1.17
14	E	e3otpE11	E:260-357	PDZ	7 → 7.1 → 7.1.1
15	E	e3otpE12	E:358-448	PDZ	7 → 7.1 → 7.1.1
16	F	e3otpF1	F:11-32,F:82-259	Trypsin_2	1 → 1.1 → 1.1.17
17	F	e3otpF6	F:260-357	PDZ	7 → 7.1 → 7.1.1
18	F	e3otpF7	F:359-448	PDZ	7 → 7.1 → 7.1.1
19	G	e3otpG01	G:15-58	Lys	235 → 235.1 → 235.1.1
20	H	e3otpH1	H:1-44	Lys	235 → 235.1 → 235.1.1
21	I	e3otpI1	I:1-44	Lys	235 → 235.1 → 235.1.1
22	J	e3otpJ1	J:1-44	Lys	235 → 235.1 → 235.1.1
23	K	e3otpK1	K:1-44	Lys	235 → 235.1 → 235.1.1
24	L	e3otpL1	L:1-44	Lys	235 → 235.1 → 235.1.1

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