#	Chain	Domain ID	Range	Family	Classification
1	N	e5l4kN1	N:1-273,N:322-346	RPN2_N	109 → 109.34 → 109.34.1
2	N	e5l4kN2	N:347-785	PC_rep, HEAT_2	109 → 109.35 → 109.35.1
3	N	e5l4kN3	N:786-940	RPN2_C	3792 → 3792.1 → 3792.1.1
4	O	e5l4kO1	O:260-339	PCI	101 → 101.1 → 101.1.2
5	O	e5l4kO2	O:1-259	PSD13_N	109 → 109.4 → 109.4.1
6	O	e5l4kO3	O:340-376	3749.1.1.0	3749 → 3749.1 → 3749.1.1
7	P	e5l4kP1	P:421-456	RPN5_C	3749 → 3749.2 → 3749.2.1
8	P	e5l4kP2	P:1-341	PSMD12-CSN4_N	109 → 109.4 → 109.4.1
9	P	e5l4kP3	P:342-420	PCI	101 → 101.1 → 101.1.2
10	Q	e5l4kQ1	Q:314-393	PCI	101 → 101.1 → 101.1.2
11	Q	e5l4kQ2	Q:393-422	RPN6_C_helix	3749 → 3749.3 → 3749.3.1
12	Q	e5l4kQ3	Q:1-316	RPN6_N	109 → 109.4 → 109.4.1
13	R	e5l4kR1	R:1-282	RPN7	109 → 109.4 → 109.4.1
14	R	e5l4kR2	R:363-389	RPN7_PSMD6_C	3749 → 3749.4 → 3749.4.1
15	R	e5l4kR3	R:283-362	PCI	101 → 101.1 → 101.1.2
16	S	e5l4kS1	S:44-394	TPR_PSMD3_N	109 → 109.4 → 109.4.1
17	S	e5l4kS2	S:394-463	PCI	101 → 101.1 → 101.1.2
18	S	e5l4kS3	S:464-534	Rpn3_C	3749 → 3749.5 → 3749.5.1
19	T	e5l4kT1	T:79-265	CSN8_PSD8_EIF3K	109 → 109.4 → 109.4.1
20	T	e5l4kT2	T:266-350	CSN8_PSD8_EIF3K	101 → 101.1 → 101.1.2
21	U	e5l4kU1	U:186-292	MitMem_reg	3748 → 3748.1 → 3748.1.1
22	U	e5l4kU2	U:1-185	JAB	2492 → 2492.1 → 2492.1.1
23	V	e5l4kV1	V:210-310	RPN11_C	3748 → 3748.1 → 3748.1.1
24	V	e5l4kV2	V:18-209	JAB	2492 → 2492.1 → 2492.1.1
25	W	e5l4kW1	W:1-196	VWA_2	2006 → 2006.1 → 2006.1.6
26	Z	e5l4kZ2	Z:350-898	3792.1.1.0	3792 → 3792.1 → 3792.1.1
27	Z	e5l4kZ3	Z:1-357	RPN1_RPN2_N	109 → 109.34 → 109.34.1

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