#	Chain	Domain ID	Range	Family	Classification
1	A	e4bn5A1	A:122-245,A:289-394	SIR2	2003 → 2003.1 → 2003.1.4
2	A	e4bn5A2	A:250-291	SIR2	375 → 375.1 → 375.1.1
3	B	e4bn5B1	B:122-245,B:289-394	SIR2	2003 → 2003.1 → 2003.1.4
4	B	e4bn5B2	B:250-291	SIR2	375 → 375.1 → 375.1.1
5	C	e4bn5C1	C:122-245,C:289-394	SIR2	2003 → 2003.1 → 2003.1.4
6	C	e4bn5C2	C:250-291	SIR2	375 → 375.1 → 375.1.1
7	D	e4bn5D1	D:122-245,D:289-393	SIR2	2003 → 2003.1 → 2003.1.4
8	D	e4bn5D2	D:250-291	SIR2	375 → 375.1 → 375.1.1
9	E	e4bn5E1	E:122-245,E:289-394	SIR2	2003 → 2003.1 → 2003.1.4
10	E	e4bn5E2	E:250-291	SIR2	375 → 375.1 → 375.1.1
11	F	e4bn5F1	F:122-245,F:289-394	SIR2	2003 → 2003.1 → 2003.1.4
12	F	e4bn5F2	F:250-291	SIR2	375 → 375.1 → 375.1.1
13	G	e4bn5G1	G:122-245,G:289-394	SIR2	2003 → 2003.1 → 2003.1.4
14	G	e4bn5G2	G:250-291	SIR2	375 → 375.1 → 375.1.1
15	H	e4bn5H1	H:122-245,H:289-394	SIR2	2003 → 2003.1 → 2003.1.4
16	H	e4bn5H2	H:250-291	SIR2	375 → 375.1 → 375.1.1
17	I	e4bn5I1	I:122-245,I:289-394	SIR2	2003 → 2003.1 → 2003.1.4
18	I	e4bn5I2	I:250-291	SIR2	375 → 375.1 → 375.1.1
19	J	e4bn5J1	J:122-245,J:289-394	SIR2	2003 → 2003.1 → 2003.1.4
20	J	e4bn5J2	J:250-291	SIR2	375 → 375.1 → 375.1.1
21	K	e4bn5K1	K:122-245,K:289-394	SIR2	2003 → 2003.1 → 2003.1.4
22	K	e4bn5K2	K:250-291	SIR2	375 → 375.1 → 375.1.1
23	L	e4bn5L1	L:122-245,L:289-394	SIR2	2003 → 2003.1 → 2003.1.4
24	L	e4bn5L2	L:250-291	SIR2	375 → 375.1 → 375.1.1

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