#	Chain	Domain ID	Range	Family	Classification
1	A	e4xnzA1	A:256-317,A:324-473	GP120	259 → 259.1 → 259.1.1
2	A	e4xnzA2	A:47-123,A:199-255,A:474-492	GP120	1061 → 1061.1 → 1061.1.1
3	B	e4xnzB1	B:4-120	11.1.1.0	11 → 11.1 → 11.1.1
4	B	e4xnzB2	B:121-221	C1-set	11 → 11.1 → 11.1.1
5	C	e4xnzC1	C:103-213	C1-set	11 → 11.1 → 11.1.1
6	C	e4xnzC2	C:1-102	V-set	11 → 11.1 → 11.1.1
7	D	e4xnzD1	D:256-301,D:324-473	GP120	259 → 259.1 → 259.1.1
8	D	e4xnzD2	D:44-123,D:199-255,D:474-492	GP120	1061 → 1061.1 → 1061.1.1
9	E	e4xnzE1	E:4-120	11.1.1.0	11 → 11.1 → 11.1.1
10	E	e4xnzE2	E:121-221	C1-set	11 → 11.1 → 11.1.1
11	F	e4xnzF1	F:2-102	V-set	11 → 11.1 → 11.1.1
12	F	e4xnzF2	F:103-212	C1-set	11 → 11.1 → 11.1.1
13	G	e4xnzG1	G:256-301,G:324-473	GP120	259 → 259.1 → 259.1.1
14	G	e4xnzG2	G:44-123,G:199-255,G:474-492	GP120	1061 → 1061.1 → 1061.1.1
15	H	e4xnzH2	H:4-120	11.1.1.0	11 → 11.1 → 11.1.1
16	H	e4xnzH1	H:121-221	C1-set	11 → 11.1 → 11.1.1
17	L	e4xnzL1	L:103-213	C1-set	11 → 11.1 → 11.1.1
18	L	e4xnzL2	L:2-102	V-set	11 → 11.1 → 11.1.1

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