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TitleElucidation of the bicarbonate binding site and insights into the carboxylation mechanism of (N(5))-carboxyaminoimidazole ribonucleotide synthase (PurK) from Bacillus anthracis.
Journal, issue, pagesActa Crystallogr. ,Sect. D, Vol. 70, Page 3057-3065, Year 2014
Publish dateJan 21, 2011 (structure data deposition date)
AuthorsTuntland, M.L. / Santarsiero, B.D. / Johnson, M.E. / Fung, L.W.
External linksActa Crystallogr. ,Sect. D / PubMed:25372694
MethodsX-ray diffraction
Resolution1.96 - 2.2 Å
Structure data

PDB-3qff:
Crystal Structure of ADP complex of purK: N5-carboxyaminoimidazole ribonucleotide synthetase
Method: X-RAY DIFFRACTION / Resolution: 1.96 Å

PDB-3r5h:
Crystal Structure of ADP-AIR complex of purK: N5-carboxyaminoimidazole ribonucleotide synthetase
Method: X-RAY DIFFRACTION / Resolution: 2.2 Å

PDB-3v4s:
Crystal Structure of ADP-ATP complex of purK: N5-carboxyaminoimidazole ribonucleotide synthetase
Method: X-RAY DIFFRACTION / Resolution: 2.02 Å

PDB-4dlk:
Crystal Structure of ATP-Ca++ complex of purK: N5-carboxyaminoimidazole ribonucleotide synthetase
Method: X-RAY DIFFRACTION / Resolution: 2.02 Å

Chemicals

ChemComp-ADP:
ADENOSINE-5'-DIPHOSPHATE / ADP, energy-carrying molecule*YM

ChemComp-HOH:
WATER

ChemComp-AIR:
5-AMINOIMIDAZOLE RIBONUCLEOTIDE

ChemComp-MG:
Unknown entry

ChemComp-CO3:
CARBONATE ION

ChemComp-ATP:
ADENOSINE-5'-TRIPHOSPHATE / ATP, energy-carrying molecule*YM

ChemComp-CA:
Unknown entry

ChemComp-PO4:
PHOSPHATE ION

Source
  • bacillus anthracis (anthrax bacterium)
KeywordsLYASE / carboxylase / ATP binding / ADP binding / PurK / synthase / ADP/ATP

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