Function and Biology

26S proteasome, s4 state

EC 3.4.25.1: Proteasome endopeptidase complex

Reaction catalysed:
Cleavage of peptide bonds with very broad specificity.
Alternative Name(s):
  • 26S protease
  • Alkaline protease
  • Ingensin
  • Large multicatalytic protease
  • Lens neutral proteinase
  • MCP
  • Macropain
  • Multicatalytic endopeptidase complex
  • Multicatalytic proteinase
  • Multicatalytic proteinase (complex)
  • Prosome
  • Proteasome
  • Proteasome organelle
  • Tricorn protease
  • Tricorn proteinase

EC 3.4.19.12: Ubiquitinyl hydrolase 1

Reaction catalysed:
Thiol-dependent hydrolysis of ester, thioester, amide, peptide and isopeptide bonds formed by the C-terminal Gly of ubiquitin (a 76-residue protein attached to proteins as an intracellular targeting signal).
Systematic name:
-
Alternative Name(s):
  • Ubiquitin C-terminal hydrolase
  • Ubiquitin carboxyl-terminal hydrolase
  • Ubiquitin thiolesterase
  • Yeast ubiquitin hydrolase

GO terms

Biochemical function:
Biological process:
Cellular component:

Sequence families

Pfam Protein families (Pfam)
PF01851
Domain description: Proteasome/cyclosome repeat
Occurring in:
  1. 26S proteasome regulatory subunit RPN2
  2. 26S proteasome regulatory subunit RPN1
The deposited structure of PDB entry 6fvw contains 2 copies of Pfam domain PF01851 (Proteasome/cyclosome repeat) in 26S proteasome regulatory subunit RPN1. Showing 2 copies in chain HA [auth Z].
The deposited structure of PDB entry 6fvw contains 3 copies of Pfam domain PF01851 (Proteasome/cyclosome repeat) in 26S proteasome regulatory subunit RPN2. Showing 3 copies in chain IA [auth N].

PF01398
Domain description: JAB1/Mov34/MPN/PAD-1 ubiquitin protease
Occurring in:
  1. 26S proteasome regulatory subunit RPN8
  2. Ubiquitin carboxyl-terminal hydrolase RPN11
The deposited structure of PDB entry 6fvw contains 1 copy of Pfam domain PF01398 (JAB1/Mov34/MPN/PAD-1 ubiquitin protease) in Ubiquitin carboxyl-terminal hydrolase RPN11. Showing 1 copy in chain DA [auth V].
The deposited structure of PDB entry 6fvw contains 1 copy of Pfam domain PF01398 (JAB1/Mov34/MPN/PAD-1 ubiquitin protease) in 26S proteasome regulatory subunit RPN8. Showing 1 copy in chain NA [auth U].

PF12465
Domain description: Proteasome beta subunits C terminal
Occurring in:
  1. Proteasome subunit beta type-2
The deposited structure of PDB entry 6fvw contains 2 copies of Pfam domain PF12465 (Proteasome beta subunits C terminal) in Proteasome subunit beta type-2. Showing 1 copy in chain W [auth 2].

PF18051
Domain description: 26S proteasome non-ATPase regulatory subunit RPN1 C-terminal
Occurring in:
  1. 26S proteasome regulatory subunit RPN1
The deposited structure of PDB entry 6fvw contains 1 copy of Pfam domain PF18051 (26S proteasome non-ATPase regulatory subunit RPN1 C-terminal) in 26S proteasome regulatory subunit RPN1. Showing 1 copy in chain HA [auth Z].

PF17781
Domain description: RPN1 N-terminal domain
Occurring in:
  1. 26S proteasome regulatory subunit RPN1
The deposited structure of PDB entry 6fvw contains 1 copy of Pfam domain PF17781 (RPN1 N-terminal domain) in 26S proteasome regulatory subunit RPN1. Showing 1 copy in chain HA [auth Z].

PF05160
Domain description: DSS1/SEM1 family
Occurring in:
  1. 26S proteasome complex subunit SEM1
The deposited structure of PDB entry 6fvw contains 1 copy of Pfam domain PF05160 (DSS1/SEM1 family) in 26S proteasome complex subunit SEM1. Showing 1 copy in chain GA [auth Y].

PF04683
Domain description: Proteasome complex subunit Rpn13, Pru domain
Occurring in:
  1. 26S proteasome regulatory subunit RPN13
The deposited structure of PDB entry 6fvw contains 1 copy of Pfam domain PF04683 (Proteasome complex subunit Rpn13 ubiquitin receptor) in 26S proteasome regulatory subunit RPN13. Showing 1 copy in chain FA [auth X].

PF13519
Domain description: von Willebrand factor type A domain
Occurring in:
  1. 26S proteasome regulatory subunit RPN10
The deposited structure of PDB entry 6fvw contains 1 copy of Pfam domain PF13519 (von Willebrand factor type A domain) in 26S proteasome regulatory subunit RPN10. Showing 1 copy in chain CA [auth W].

PF13012
Domain description: Maintenance of mitochondrial structure and function
Occurring in:
  1. 26S proteasome regulatory subunit RPN8
The deposited structure of PDB entry 6fvw contains 1 copy of Pfam domain PF13012 (Maintenance of mitochondrial structure and function) in Ubiquitin carboxyl-terminal hydrolase RPN11. Showing 1 copy in chain DA [auth V].
The deposited structure of PDB entry 6fvw contains 1 copy of Pfam domain PF13012 (Maintenance of mitochondrial structure and function) in 26S proteasome regulatory subunit RPN8. Showing 1 copy in chain NA [auth U].

PF10075
Domain description: CSN8/PSMD8/EIF3K family
Occurring in:
  1. 26S proteasome regulatory subunit RPN12
The deposited structure of PDB entry 6fvw contains 1 copy of Pfam domain PF10075 (CSN8/PSMD8/EIF3K family) in 26S proteasome regulatory subunit RPN12. Showing 1 copy in chain EA [auth T].

PF08375
Domain description: Proteasome regulatory subunit C-terminal
Occurring in:
  1. 26S proteasome regulatory subunit RPN3
The deposited structure of PDB entry 6fvw contains 1 copy of Pfam domain PF08375 (Proteasome regulatory subunit C-terminal) in 26S proteasome regulatory subunit RPN3. Showing 1 copy in chain JA [auth S].

PF21154
Domain description: 26S proteasome regulatory subunit RPN7/PSMD6 C-terminal helix
Occurring in:
  1. 26S proteasome regulatory subunit RPN7

PF10602
Domain description: 26S proteasome subunit RPN7
Occurring in:
  1. 26S proteasome regulatory subunit RPN7
The deposited structure of PDB entry 6fvw contains 1 copy of Pfam domain PF10602 (26S proteasome subunit RPN7) in 26S proteasome regulatory subunit RPN7. Showing 1 copy in chain MA [auth R].

PF18503
Domain description: 26S proteasome subunit RPN6 C-terminal helix domain
Occurring in:
  1. 26S proteasome regulatory subunit RPN6
The deposited structure of PDB entry 6fvw contains 1 copy of Pfam domain PF18503 (26S proteasome subunit RPN6 C-terminal helix domain) in 26S proteasome regulatory subunit RPN6. Showing 1 copy in chain LA [auth Q].

PF18055
Domain description: 26S proteasome regulatory subunit RPN6 N-terminal domain
Occurring in:
  1. 26S proteasome regulatory subunit RPN6
The deposited structure of PDB entry 6fvw contains 1 copy of Pfam domain PF18055 (26S proteasome regulatory subunit RPN6 N-terminal domain) in 26S proteasome regulatory subunit RPN6. Showing 1 copy in chain LA [auth Q].

PF18098
Domain description: 26S proteasome regulatory subunit RPN5 C-terminal domain
Occurring in:
  1. 26S proteasome regulatory subunit RPN5
The deposited structure of PDB entry 6fvw contains 1 copy of Pfam domain PF18098 (26S proteasome regulatory subunit RPN5 C-terminal domain) in 26S proteasome regulatory subunit RPN5. Showing 1 copy in chain KA [auth P].

PF18261
Domain description: Rpn9 C-terminal helix
Occurring in:
  1. 26S proteasome regulatory subunit RPN9
The deposited structure of PDB entry 6fvw contains 1 copy of Pfam domain PF18261 (Rpn9 C-terminal helix) in 26S proteasome regulatory subunit RPN9. Showing 1 copy in chain OA [auth O].

PF18004
Domain description: 26S proteasome regulatory subunit RPN2 C-terminal domain
Occurring in:
  1. 26S proteasome regulatory subunit RPN2
The deposited structure of PDB entry 6fvw contains 1 copy of Pfam domain PF18004 (26S proteasome regulatory subunit RPN2 C-terminal domain) in 26S proteasome regulatory subunit RPN2. Showing 1 copy in chain IA [auth N].

PF13646
Domain description: HEAT repeats
Occurring in:
  1. 26S proteasome regulatory subunit RPN2
The deposited structure of PDB entry 6fvw contains 1 copy of Pfam domain PF13646 (HEAT repeats) in 26S proteasome regulatory subunit RPN2. Showing 1 copy in chain IA [auth N].

PF21505
Domain description: 26S proteasome subunit RPN2, N-terminal domain
Occurring in:
  1. 26S proteasome regulatory subunit RPN2

PF21236
Domain description: 26S proteasome regulatory subunit 7, OB domain
Occurring in:
  1. 26S proteasome regulatory subunit 7 homolog

InterPro InterPro annotations
IPR000243
Domain description: Peptidase T1A, proteasome beta-subunit
Occurring in:
  1. Proteasome subunit beta type-1
  2. Proteasome subunit beta type-2
  3. Proteasome subunit beta type-5
IPR002015
Domain description: Proteasome/cyclosome repeat
Occurring in:
  1. 26S proteasome regulatory subunit RPN2
  2. 26S proteasome regulatory subunit RPN1
IPR000555
Domain description: JAB1/MPN/MOV34 metalloenzyme domain
Occurring in:
  1. 26S proteasome regulatory subunit RPN8
  2. Ubiquitin carboxyl-terminal hydrolase RPN11
IPR016295
Domain description: Proteasome subunit beta 4
Occurring in:
  1. Proteasome subunit beta type-7
IPR007834
Domain description: DSS1/SEM1
Occurring in:
  1. 26S proteasome complex subunit SEM1
IPR044868
Domain description: Rpn13/ADRM1, Pru domain
Occurring in:
  1. 26S proteasome regulatory subunit RPN13
IPR002035
Domain description: von Willebrand factor, type A
Occurring in:
  1. 26S proteasome regulatory subunit RPN10
IPR036465
Domain description: von Willebrand factor A-like domain superfamily
Occurring in:
  1. 26S proteasome regulatory subunit RPN10
IPR024969
Domain description: EIF3F/CSN6-like, C-terminal
Occurring in:
  1. 26S proteasome regulatory subunit RPN8
  2. Ubiquitin carboxyl-terminal hydrolase RPN11
IPR037518
IPR011990
Domain description: Tetratricopeptide-like helical domain superfamily
Occurring in:
  1. 26S proteasome regulatory subunit RPN6
  2. 26S proteasome regulatory subunit RPN7
IPR011989
Domain description: Armadillo-like helical
Occurring in:
  1. 26S proteasome regulatory subunit RPN2
  2. 26S proteasome regulatory subunit RPN1
IPR016024
Domain description: Armadillo-type fold
Occurring in:
  1. 26S proteasome regulatory subunit RPN2
  2. 26S proteasome regulatory subunit RPN1
IPR033812
Domain description: Proteasome subunit alpha5
Occurring in:
  1. Proteasome subunit alpha type-5
IPR034642
Domain description: Proteasome subunit alpha6
Occurring in:
  1. Proteasome subunit alpha type-1
IPR035206
Domain description: Proteasome subunit beta 2
Occurring in:
  1. Proteasome subunit beta type-4
IPR033811
Domain description: Proteasome beta 3 subunit
Occurring in:
  1. Proteasome subunit beta type-3
IPR024689
Domain description: Proteasome beta subunit, C-terminal
Occurring in:
  1. Proteasome subunit beta type-2
IPR041433
Domain description: 26S proteasome non-ATPase regulatory subunit RPN1, C-terminal
Occurring in:
  1. 26S proteasome regulatory subunit RPN1
IPR040892
Domain description: RPN1, N-terminal
Occurring in:
  1. 26S proteasome regulatory subunit RPN1
IPR016643
Domain description: 26S proteasome regulatory complex, non-ATPase subcomplex, Rpn1 subunit
Occurring in:
  1. 26S proteasome regulatory subunit RPN1
IPR006773
Domain description: Proteasomal ubiquitin receptor Rpn13/ADRM1
Occurring in:
  1. 26S proteasome regulatory subunit RPN13
IPR038633
Domain description: Proteasomal ubiquitin receptor Rpn13/ADRM1, Pru domain superfamily
Occurring in:
  1. 26S proteasome regulatory subunit RPN13
IPR027040
Domain description: 26S proteasome non-ATPase regulatory subunit 4
Occurring in:
  1. 26S proteasome regulatory subunit RPN10
IPR033858
Domain description: 26S Proteasome non-ATPase regulatory subunit 7/8
Occurring in:
  1. 26S proteasome regulatory subunit RPN8
IPR033464
Domain description: CSN8/PSMD8/EIF3K
Occurring in:
  1. 26S proteasome regulatory subunit RPN12
IPR006746
Domain description: 26S proteasome non-ATPase regulatory subunit Rpn12
Occurring in:
  1. 26S proteasome regulatory subunit RPN12
IPR013586
Domain description: 26S proteasome regulatory subunit, C-terminal
Occurring in:
  1. 26S proteasome regulatory subunit RPN3
IPR019734
Domain description: Tetratricopeptide repeat
Occurring in:
  1. 26S proteasome regulatory subunit RPN7
IPR045135
Domain description: 26S proteasome regulatory subunit Rpn7, N-terminal
Occurring in:
  1. 26S proteasome regulatory subunit RPN7
IPR019585
Domain description: 26S proteasome regulatory subunit Rpn7/COP9 signalosome complex subunit 1
Occurring in:
  1. 26S proteasome regulatory subunit RPN7
IPR040780
Domain description: 6S proteasome subunit Rpn6, C-terminal helix domain
Occurring in:
  1. 26S proteasome regulatory subunit RPN6
IPR040773
Domain description: 26S proteasome regulatory subunit Rpn6, N-terminal
Occurring in:
  1. 26S proteasome regulatory subunit RPN6
IPR040896
Domain description: 26S proteasome regulatory subunit RPN5, C-terminal domain
Occurring in:
  1. 26S proteasome regulatory subunit RPN5
IPR036388
Domain description: Winged helix-like DNA-binding domain superfamily
Occurring in:
  1. 26S proteasome regulatory subunit RPN5
IPR040134
Domain description: 26S Proteasome non-ATPase regulatory subunit 12/COP9 signalosome complex subunit 4
Occurring in:
  1. 26S proteasome regulatory subunit RPN5
IPR040798
Domain description: Rpn9, C-terminal helix
Occurring in:
  1. 26S proteasome regulatory subunit RPN9
IPR035298
Domain description: 26S Proteasome non-ATPase regulatory subunit 13
Occurring in:
  1. 26S proteasome regulatory subunit RPN9
IPR040623
Domain description: 26S proteasome regulatory subunit RPN2, C-terminal
Occurring in:
  1. 26S proteasome regulatory subunit RPN2
IPR016642
Domain description: 26S proteasome regulatory complex, non-ATPase subcomplex, Rpn2/Psmd1 subunit
Occurring in:
  1. 26S proteasome regulatory subunit RPN2