› 2pok

X-ray diffraction
1.9Å resolution

Crystal structure of a M20 family metallo peptidase from Streptococcus pneumoniae

Released:
DOI: 10.2210/pdb2pok/pdb
PDB 2pok coloured by chain and viewed from the front.
PDB 2pok coloured by chain and viewed from the side.
PDB 2pok coloured by chain and viewed from the top.
Source organism: Streptococcus pneumoniae TIGR4
Entry authors: Minasov G, Shuvalova L, Brunzelle JS, Vorontsov II, Kiryukhina O, Collart FR, Joachimiak A, Anderson WF, Midwest Center for Structural Genomics (MCSG)

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Peptidase M20 dimerisation domain-containing protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 481 amino acids
Theoretical weight: 54.28 KDa
Source organism: Streptococcus pneumoniae TIGR4
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: A0A0H2UN21 (Residues: 1-457; Coverage: 100%)
Gene name: SP_0150
Sequence domains:
Structure domains:

Ligands and Environments

2 bound ligands:
Ligand BGC 4 x BGC
Ligand MN 2 x MN
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 23-ID-D
Spacegroup: P212121
Unit cell:
a: 87.954Å b: 101.922Å c: 118.074Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.181 0.178 0.226
Expression system: Escherichia coli BL21(DE3)

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