6utf

Electron Microscopy
3.4Å resolution

Allosteric coupling between alpha-rings of the 20S proteasome, archaea 20S proteasome singly capped with a PAN complex

Released:
Source organism: Thermoplasma acidophilum
Primary publication:
Allosteric coupling between α-rings of the 20S proteasome.
OpenAccess logo Nat Commun 11 4580 (2020)
PMID: 32917864
Related structures: EMD-20877

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero 28-mer (preferred)
PDBe Complex ID:
PDB-CPX-150395 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Proteasome subunit beta Chains: 1, 2, H, I, J, K, L, M, N, V, W, X, Y, Z
Molecule details ›
Chains: 1, 2, H, I, J, K, L, M, N, V, W, X, Y, Z
Length: 211 amino acids
Theoretical weight: 23.17 KDa
Source organism: Thermoplasma acidophilum
Expression system: Escherichia phage EcSzw-2
UniProt:
  • Canonical: P28061 (Residues: 1-211; Coverage: 100%)
Gene names: Ta0612, psmB
Sequence domains: Proteasome subunit
Proteasome subunit alpha Chains: A, B, C, D, E, F, G
Molecule details ›
Chains: A, B, C, D, E, F, G
Length: 227 amino acids
Theoretical weight: 25.07 KDa
Source organism: Thermoplasma acidophilum
Expression system: Escherichia phage EcSzw-2
UniProt:
  • Canonical: P25156 (Residues: 7-233; Coverage: 97%)
Gene names: Ta1288, psmA
Sequence domains:
Proteasome subunit alpha Chains: O, P, Q, R, S, T, U

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 3.4Å
Relevant EMDB volumes: EMD-20877
Expression system: Escherichia phage EcSzw-2