› 1t99

X-ray diffraction
1.85Å resolution

r106g kdo8ps without substrates

Released:
DOI: 10.2210/pdb1t99/pdb
PDB entry 1t99 coloured by chain, front view.
PDB entry 1t99 coloured by chain, side view.
PDB entry 1t99 coloured by chain, top view.
Source organism: Aquifex aeolicus
Entry author: Gatti DL

Function and Biology Details

Reaction catalysed: 
Phosphoenolpyruvate + D-arabinose 5-phosphate + H(2)O = 3-deoxy-D-manno-octulosonate 8-phosphate + phosphate
Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-130317 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
2-dehydro-3-deoxyphosphooctonate aldolase Chains: A, B
Molecule details ›
Chains: A, B
Length: 267 amino acids
Theoretical weight: 29.67 KDa
Source organism: Aquifex aeolicus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: O66496 (Residues: 1-267; Coverage: 100%)
Gene names: aq_085, kdsA
Sequence domains: DAHP synthetase I family
Structure domains: Aldolase class I

Ligands and Environments

2 bound ligands:
Ligand PO4 2 x PO4
Ligand CD 2 x CD
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU FR-D
Spacegroup: P3121
Unit cell:
a: 84.819Å b: 84.819Å c: 160.262Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.208 0.208 0.245
Expression system: Escherichia coli BL21(DE3)

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