› 5l70

X-ray diffraction
2.2Å resolution

CRYSTAL STRUCTURE OF HUMAN CARBONIC ANHYDRASE II IN COMPLEX WITH A QUINOLINE OLIGOAMIDE FOLDAMER

Released:
DOI: 10.2210/pdb5l70/pdb
PDB entry 5l70 coloured by chain, front view.
PDB entry 5l70 coloured by chain, side view.
PDB entry 5l70 coloured by chain, top view.
Source organism: Homo sapiens
Entry authors: Vallade M, Langlois d'Estaintot B, Granier T, Huc I

Function and Biology Details

Reactions catalysed: 
H(2)CO(3) = CO(2) + H(2)O
Urea = cyanamide + H(2)O
Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-133686 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Carbonic anhydrase 2 Chains: A, B
Molecule details ›
Chains: A, B
Length: 260 amino acids
Theoretical weight: 29.29 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P00918 (Residues: 1-260; Coverage: 100%)
Gene name: CA2
Sequence domains: Eukaryotic-type carbonic anhydrase
Structure domains: Alpha carbonic anhydrase

Ligands and Environments

7 bound ligands:
Ligand ZN 13 x ZN
Ligand 6H0 2 x 6H0
Ligand GOL 4 x GOL
Ligand QVS 2 x QVS
Ligand QUK 2 x QUK
Ligand QVE 2 x QVE
Ligand QOL 2 x QOL
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SOLEIL BEAMLINE PROXIMA 2
Spacegroup: P21
Unit cell:
a: 44.21Å b: 83.37Å c: 79.41Å
α: 90° β: 99.98° γ: 90°
R-values:
R R work R free
0.177 0.174 0.238
Expression system: Escherichia coli BL21(DE3)

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