#	Chain	Domain ID	Range	Family	Classification
1	A	e4ydlA1	A:256-301,A:324-473	GP120	259 → 259.1 → 259.1.1
2	A	e4ydlA2	A:44-123,A:199-255,A:474-492	GP120	1061 → 1061.1 → 1061.1.1
3	B	e4ydlB2	B:1-107	V-set	11 → 11.1 → 11.1.1
4	B	e4ydlB1	B:114-216	C1-set	11 → 11.1 → 11.1.1
5	C	e4ydlC1	C:108-214	C1-set	11 → 11.1 → 11.1.1
6	C	e4ydlC2	C:1-107	V-set	11 → 11.1 → 11.1.1
7	G	e4ydlG1	G:256-301,G:324-473	GP120	259 → 259.1 → 259.1.1
8	G	e4ydlG2	G:44-123,G:199-255,G:474-492	GP120	1061 → 1061.1 → 1061.1.1
9	H	e4ydlH2	H:1-107	V-set	11 → 11.1 → 11.1.1
10	H	e4ydlH3	H:114-216	C1-set	11 → 11.1 → 11.1.1
11	L	e4ydlL1	L:1-107	V-set	11 → 11.1 → 11.1.1
12	L	e4ydlL2	L:108-214	C1-set	11 → 11.1 → 11.1.1

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