› 4qff

X-ray diffraction
7.81Å resolution

Structure of a 16 nm protein cage designed by fusing symmetric oligomeric domains, quadruple mutant, P212121 form

Released:
DOI: 10.2210/pdb4qff/pdb
PDB entry 4qff coloured by chain, front view.
PDB entry 4qff coloured by chain, side view.
PDB entry 4qff coloured by chain, top view.
Source organisms:
Entry authors: Lai Y-T, Yeates TO

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
  • not assigned
Sequence domains:

Structure analysis Details

Assembly composition:
homo dodecamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-137061 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Matrix protein 1; Non-haem bromoperoxidase BPO-A2 Chains: A, B, C, D, E, F, G, H, I, J, K, L
Molecule details ›
Chains: A, B, C, D, E, F, G, H, I, J, K, L
Length: 456 amino acids
Theoretical weight: 50.19 KDa
Source organisms: Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P29715 (Residues: 1-278; Coverage: 100%)
  • Canonical: P03485 (Residues: 3-164; Coverage: 64%)
Gene names: M, bpoA2
Sequence domains:

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU
Spacegroup: P212121
Unit cell:
a: 155.5Å b: 156.52Å c: 325.03Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.29 0.288 0.339
Expression system: Escherichia coli BL21(DE3)

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