3UNH

Mouse 20S immunoproteasome

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, O	Proteasome subunit alpha type-2	polymer	234	25955.6	2	UniProt (P49722) Pfam (PF10584) Pfam (PF00227) In PDB	Mus musculus (mouse)	Macropain subunit C3, Multicatalytic endopeptidase complex subunit C3, Proteasome component C3
2	B, P	Proteasome subunit alpha type-4	polymer	261	29512.8	2	UniProt (Q9R1P0) Pfam (PF10584) Pfam (PF00227) In PDB	Mus musculus (mouse)	Macropain subunit C9, Multicatalytic endopeptidase complex subunit C9, Proteasome component C9, Proteasome subunit L
3	C, Q	Proteasome subunit alpha type-7	polymer	248	27897.9	2	UniProt (Q9Z2U0) Pfam (PF10584) Pfam (PF00227) In PDB	Mus musculus (mouse)	Proteasome subunit RC6-1
4	D, R	Proteasome subunit alpha type-5	polymer	241	26436.0	2	UniProt (Q9Z2U1) Pfam (PF10584) Pfam (PF00227) In PDB	Mus musculus (mouse)	Macropain zeta chain, Multicatalytic endopeptidase complex zeta chain, Proteasome zeta chain
5	E, S	Proteasome subunit alpha type-1	polymer	263	29586.6	2	UniProt (Q9R1P4) Pfam (PF00227) Pfam (PF10584) In PDB	Mus musculus (mouse)	Macropain subunit C2, Multicatalytic endopeptidase complex subunit C2, Proteasome component C2, Proteasome nu chain
6	F, T	Proteasome subunit alpha type-3	polymer	255	28442.2	2	UniProt (O70435) Pfam (PF10584) Pfam (PF00227) In PDB	Mus musculus (mouse)	Macropain subunit C8, Multicatalytic endopeptidase complex subunit C8, Proteasome component C8, Proteasome subunit K
7	G, U	Proteasome subunit alpha type-6	polymer	246	27405.4	2	UniProt (Q9QUM9) Pfam (PF10584) Pfam (PF00227) In PDB	Mus musculus (mouse)	Macropain iota chain, Multicatalytic endopeptidase complex iota chain, Proteasome iota chain
8	H, V	Proteasome subunit beta type-10	polymer	234	24830.3	2	UniProt (O35955) Pfam (PF00227) Pfam (PF12465) In PDB	Mus musculus (mouse)	Low molecular mass protein 10, Macropain subunit MECl-1, Multicatalytic endopeptidase complex subunit MECl-1, Proteasome MECl-1, Proteasome subunit beta-2i
9	I, W	Proteasome subunit beta type-3	polymer	205	22988.9	2	UniProt (Q9R1P1) Pfam (PF00227) In PDB	Mus musculus (mouse)	Proteasome chain 13, Proteasome component C10-II, Proteasome theta chain
10	J, X	Proteasome subunit beta type-2	polymer	201	22935.4	2	UniProt (Q9R1P3) Pfam (PF00227) In PDB	Mus musculus (mouse)	Macropain subunit C7-I, Multicatalytic endopeptidase complex subunit C7-I, Proteasome component C7-I
11	K, Y	Proteasome subunit beta type-8	polymer	204	22674.7	2	UniProt (P28063) Pfam (PF00227) In PDB	Mus musculus (mouse)	Low molecular mass protein 7, Macropain subunit C13, Multicatalytic endopeptidase complex subunit C13, Proteasome component C13, Proteasome subunit beta-5i
12	L, Z	Proteasome subunit beta type-1	polymer	213	23577.0	2	UniProt (O09061) Pfam (PF00227) In PDB	Mus musculus (mouse)	Macropain subunit C5, Multicatalytic endopeptidase complex subunit C5, Proteasome component C5, Proteasome gamma chain
13	M, a	Proteasome subunit beta type-4	polymer	219	24384.7	2	UniProt (P99026) Pfam (PF00227) In PDB	Mus musculus (mouse)	Proteasome beta chain, Low molecular mass protein 3, Macropain beta chain, Multicatalytic endopeptidase complex beta chain, Proteasome chain 3
14	N, b	Proteasome subunit beta type-9	polymer	199	21345.2	2	UniProt (P28076) Pfam (PF00227) In PDB	Mus musculus (mouse)	LMP-2d, Low molecular mass protein 2, Macropain chain 7, Multicatalytic endopeptidase complex chain 7, Proteasome chain 7, Proteasome subunit beta-1i, Really interesting new gene 12 protein
15	O, A, C, E, V...	IODIDE ION	non-polymer		126.9	14	Chemie (IOD)
16	N, P, A, Q, B...	CHLORIDE ION	non-polymer		35.5	23	Chemie (CL)
17	C, S, D, T, E...	POTASSIUM ION	non-polymer		39.1	10	Chemie (K)
18		water	water		18.0	535	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	28
	Total formula weight	715945.3
Non-Polymers*	Number of molecules	47
	Total formula weight	2983.1
All*	Total formula weight	718928.4

*Water molecules are not included.