#	Chain	Domain ID	Range	Family	Classification
1	A	e9ph4A1	A:244-358	RPN7	101 → 101.1 → 101.1.2
2	A	e9ph4A2	A:359-389	101.1.2.0	101 → 101.1 → 101.1.2
3	A	e9ph4A3	A:390-467	PCI, CSN1_C	101 → 101.1 → 101.1.2
4	B	e9ph4B1	B:251-390	PCI	109 → 109.4 → 109.4.1
5	B	e9ph4B2	B:391-443	COPS2_C	101 → 101.1 → 101.1.2
6	C	e9ph4C1	C:3-222	COP9_hel_rpt	109 → 109.4 → 109.4.1
7	C	e9ph4C2	C:223-366	PCI,COP9_hel_rpt	101 → 101.1 → 101.1.2
8	C	e9ph4C3	C:367-406	CSN3-like_C	3749 → 3749.5 → 3749.5.1
9	D	e9ph4D1	D:182-335	PCI	109 → 109.4 → 109.4.1
10	D	e9ph4D2	D:336-403	PCI,CSN4_RPN5_eIF3a	101 → 101.1 → 101.1.2
11	D	e9ph4D3	D:404-406	CSN4_RPN5_eIF3a	3749 → 3749.2 → 3749.2.1
12	E	e9ph4E1	E:24-250	JAB	2492 → 2492.1 → 2492.1.1
13	E	e9ph4E2	E:251-333	CSN5_C	3748 → 3748.1 → 3748.1.1
14	F	e9ph4F1	F:38-247	JAB, MitMem_reg	2492 → 2492.1 → 2492.1.1
15	F	e9ph4F2	F:248-315	MitMem_reg	3748 → 3748.1 → 3748.1.1
16	G	e9ph4G1	G:10-97	CSN7_HB_subdom	109 → 109.4 → 109.4.1
17	G	e9ph4G2	G:98-175	PCI	101 → 101.1 → 101.1.2
18	G	e9ph4G3	G:176-222	CSN7a_helixI	3749 → 3749.1 → 3749.1.1
19	H	e9ph4H1	H:11-128	CSN8_PSD8_EIF3K	109 → 109.4 → 109.4.1
20	H	e9ph4H2	H:129-209	CSN8_PSD8_EIF3K	101 → 101.1 → 101.1.2

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