#	Chain	Domain ID	Range	Family	Classification
1	A	e5yp4A1	A:150-457	DPPIV_N	5 → 5.1 → 5.1.5
2	A	e5yp4A2	A:48-88,A:109-149	5.1.2.0	5 → 5.1 → 5.1.2
3	A	e5yp4A3	A:22-47,A:458-745	Peptidase_S9, Peptidase_S15	7579 → 7579.1 → 7579.1.1
4	B	e5yp4B1	B:48-88,B:109-149	5.1.2.0	5 → 5.1 → 5.1.2
5	B	e5yp4B2	B:150-457	DPPIV_N	5 → 5.1 → 5.1.5
6	B	e5yp4B3	B:22-47,B:458-745	Peptidase_S9, Peptidase_S15	7579 → 7579.1 → 7579.1.1
7	C	e5yp4C1	C:22-47,C:458-745	Peptidase_S9, Peptidase_S15	7579 → 7579.1 → 7579.1.1
8	C	e5yp4C2	C:48-89,C:110-149	5.1.2.0	5 → 5.1 → 5.1.2
9	C	e5yp4C3	C:150-457	DPPIV_N	5 → 5.1 → 5.1.5
10	D	e5yp4D1	D:22-47,D:458-745	Peptidase_S9, Peptidase_S15	7579 → 7579.1 → 7579.1.1
11	D	e5yp4D2	D:48-88,D:109-149	5.1.2.0	5 → 5.1 → 5.1.2
12	D	e5yp4D3	D:150-457	DPPIV_N	5 → 5.1 → 5.1.5

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