› 1z7q

X-ray diffraction
3.22Å resolution

Crystal structure of the 20s proteasome from yeast in complex with the proteasome activator PA26 from Trypanosome brucei at 3.2 angstroms resolution

Released:
DOI: 10.2210/pdb1z7q/pdb
PDB entry 1z7q coloured by chain, front view.
PDB entry 1z7q coloured by chain, side view.
PDB entry 1z7q coloured by chain, top view.
Source organisms:
Primary publication:
The 1.9 A structure of a proteasome-11S activator complex and implications for proteasome-PAN/PA700 interactions.
Förster A, Masters EI, Whitby FG, Robinson H, Hill CP
Mol Cell 18 589-99 (2005)
PMID: 15916965

Function and Biology Details

Reaction catalysed: 
Cleavage of peptide bonds with very broad specificity.
Biochemical function:
Biological process:
Cellular component:
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
hetero 42-mer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-149189 (preferred)
Entry contents:
15 distinct polypeptide molecules
Macromolecules (15 distinct):
Proteasome subunit alpha type-1 Chains: A, O
Molecule details ›
Chains: A, O
Length: 252 amino acids
Theoretical weight: 28.03 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Saccharomyces cerevisiae
UniProt:
  • Canonical: P21243 (Residues: 1-252; Coverage: 100%)
Gene names: PRC2, PRS2, SCL1, YGL011C
Sequence domains:
Structure domains: Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Proteasome subunit alpha type-2 Chains: B, P
Molecule details ›
Chains: B, P
Length: 250 amino acids
Theoretical weight: 27.19 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Saccharomyces cerevisiae
UniProt:
  • Canonical: P23639 (Residues: 1-250; Coverage: 100%)
Gene names: PRE8, PRS4, YML092C
Sequence domains:
Structure domains: Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Proteasome subunit alpha type-3 Chains: C, Q
Molecule details ›
Chains: C, Q
Length: 258 amino acids
Theoretical weight: 28.75 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Saccharomyces cerevisiae
UniProt:
  • Canonical: P23638 (Residues: 1-258; Coverage: 100%)
Gene names: PRE9, PRS5, YGR135W
Sequence domains:
Structure domains: Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Proteasome subunit alpha type-4 Chains: D, R
Molecule details ›
Chains: D, R
Length: 254 amino acids
Theoretical weight: 28.48 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Saccharomyces cerevisiae
UniProt:
  • Canonical: P40303 (Residues: 1-254; Coverage: 100%)
Gene names: PRE6, YOL038W
Sequence domains:
Structure domains: Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Proteasome subunit alpha type-5 Chains: E, S
Molecule details ›
Chains: E, S
Length: 260 amino acids
Theoretical weight: 28.65 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Saccharomyces cerevisiae
UniProt:
  • Canonical: P32379 (Residues: 1-260; Coverage: 100%)
Gene names: DOA5, G9155, PUP2, YGR253C
Sequence domains:
Structure domains: Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Proteasome subunit alpha type-6 Chains: F, T
Molecule details ›
Chains: F, T
Length: 234 amino acids
Theoretical weight: 25.63 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Saccharomyces cerevisiae
UniProt:
  • Canonical: P40302 (Residues: 1-234; Coverage: 100%)
Gene names: PRE5, YM9924.06, YMR314W
Sequence domains:
Structure domains: Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Probable proteasome subunit alpha type-7 Chains: G, U
Molecule details ›
Chains: G, U
Length: 288 amino acids
Theoretical weight: 31.58 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Saccharomyces cerevisiae
UniProt:
  • Canonical: P21242 (Residues: 1-288; Coverage: 100%)
Gene names: O6650, PRC1, PRE10, PRS1, YOR362C
Sequence domains:
Structure domains: Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Proteasome subunit beta type-1 Chains: H, V
Molecule details ›
Chains: H, V
Length: 196 amino acids
Theoretical weight: 21.52 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Saccharomyces cerevisiae
UniProt:
  • Canonical: P38624 (Residues: 20-215; Coverage: 91%)
Gene names: J1407, PRE3, YJL001W
Sequence domains: Proteasome subunit
Structure domains: Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Proteasome subunit beta type-2 Chains: I, W
Molecule details ›
Chains: I, W
Length: 222 amino acids
Theoretical weight: 23.99 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Saccharomyces cerevisiae
UniProt:
  • Canonical: P25043 (Residues: 30-251; Coverage: 85%)
Gene names: PUP1, YOR157C
Sequence domains:
Structure domains: Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Proteasome subunit beta type-3 Chains: J, X
Molecule details ›
Chains: J, X
Length: 205 amino acids
Theoretical weight: 22.63 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Saccharomyces cerevisiae
UniProt:
  • Canonical: P25451 (Residues: 1-205; Coverage: 100%)
Gene names: PUP3, YER094C
Sequence domains: Proteasome subunit
Structure domains: Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Proteasome subunit beta type-4 Chains: K, Y
Molecule details ›
Chains: K, Y
Length: 198 amino acids
Theoretical weight: 22.55 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Saccharomyces cerevisiae
UniProt:
  • Canonical: P22141 (Residues: 1-198; Coverage: 100%)
Gene names: PRE1, YER012W
Sequence domains: Proteasome subunit
Structure domains: Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Proteasome subunit beta type-5 Chains: L, Z
Molecule details ›
Chains: L, Z
Length: 212 amino acids
Theoretical weight: 23.35 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Saccharomyces cerevisiae
UniProt:
  • Canonical: P30656 (Residues: 76-287; Coverage: 74%)
Gene names: DOA3, P8283.10, PRE2, PRG1, YPR103W
Sequence domains: Proteasome subunit
Structure domains: Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Proteasome subunit beta type-6 Chains: M, a
Molecule details ›
Chains: M, a
Length: 222 amino acids
Theoretical weight: 24.88 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Saccharomyces cerevisiae
UniProt:
  • Canonical: P23724 (Residues: 20-241; Coverage: 92%)
Gene names: PRE7, PRS3, PTS1, YBL0407, YBL041W
Sequence domains: Proteasome subunit
Structure domains: Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Proteasome subunit beta type-7 Chains: N, b
Molecule details ›
Chains: N, b
Length: 233 amino acids
Theoretical weight: 25.95 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Saccharomyces cerevisiae
UniProt:
  • Canonical: P30657 (Residues: 34-266; Coverage: 88%)
Gene names: PRE4, YFR050C
Sequence domains: Proteasome subunit
Structure domains: Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Proteasome activator PA28 C-terminal domain-containing protein Chains: c, d, e, f, g, h, i, j, k, l, m, n, o, p
Molecule details ›
Chains: c, d, e, f, g, h, i, j, k, l, m, n, o, p
Length: 231 amino acids
Theoretical weight: 25.23 KDa
Source organism: Trypanosoma brucei
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9U8G2 (Residues: 1-171, 172-231; Coverage: 100%)
Sequence domains: Proteasome activator pa28 beta subunit
Structure domains: Proteasome activator pa28, C-terminal domain

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL9-1
Spacegroup: P212121
Unit cell:
a: 192.964Å b: 232.127Å c: 296.772Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.263 0.263 0.308
Expression systems:
  • Saccharomyces cerevisiae
  • Escherichia coli

Quick links

Citations

35 review citations

Recognition and processing of ubiquitin-protein conjugates by the proteasome.
Finley D. (2009)
34 more

7 mentions without citation

Structural biology of the proteasome.
Kish-Trier et al. (2013)
6 more