› 5jbl

X-ray diffraction
1.94Å resolution

Structure of the bacteriophage T4 capsid assembly protease, gp21.

Released:
DOI: 10.2210/pdb5jbl/pdb
PDB entry 5jbl coloured by chain, front view.
PDB entry 5jbl coloured by chain, side view.
PDB entry 5jbl coloured by chain, top view.
Source organism: Escherichia virus T4
Primary publication:
Common Evolutionary Origin of Procapsid Proteases, Phage Tail Tubes, and Tubes of Bacterial Type VI Secretion Systems.
Fokine A, Rossmann MG
Structure 24 1928-1935 (2016)
PMID: 27667692

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domain:

Structure analysis Details

Assembly composition:
homo pentamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-139241 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Prohead core protein protease Chains: A, B, C, D, E
Molecule details ›
Chains: A, B, C, D, E
Length: 231 amino acids
Theoretical weight: 25.21 KDa
Source organism: Escherichia virus T4
Expression system: Escherichia coli
UniProt:
  • Canonical: P06807 (Residues: 1-212; Coverage: 100%)
Gene name: 21
Sequence domains: Prohead core protein serine protease

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 23-ID-D
Spacegroup: P21
Unit cell:
a: 41.745Å b: 124.041Å c: 88.959Å
α: 90° β: 89.96° γ: 90°
R-values:
R R work R free
0.173 0.172 0.205
Expression system: Escherichia coli

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Citations

4 review citations

Lessons from bacteriophages part 1: Deriving utility from protein structure, function, and evolution.
Asija et al. (2018)
3 more

3 mentions without citation

Common Evolutionary Origin of Procapsid Proteases, Phage Tail Tubes, and Tubes of Bacterial Type VI Secretion Systems.
Fokine et al. (2016)
2 more