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TitleComparison of two T-state structures of regulatory-chain mutants of Escherichia coli aspartate transcarbamoylase suggests that His20 and Asp19 modulate the response to heterotropic effectors.
Journal, issue, pagesActa Crystallogr. ,Sect. D, Vol. 63, Page 1243-1253, Year 2007
Publish dateJun 28, 2007 (structure data deposition date)
AuthorsStec, B. / Williams, M.K. / Stieglitz, K.A. / Kantrowitz, E.R.
External linksActa Crystallogr. ,Sect. D / PubMed:18084072
MethodsX-ray diffraction
Resolution2.2 - 2.7 Å
Structure data

PDB-2qg9:
Structure of a regulatory subunit mutant D19A of ATCase from E. coli
Method: X-RAY DIFFRACTION / Resolution: 2.7 Å

PDB-2qgf:
Structure of regulatory chain mutant H20A of asparate transcarbamoylase from E. coli
Method: X-RAY DIFFRACTION / Resolution: 2.2 Å

Chemicals

ChemComp-ZN:
Unknown entry

ChemComp-HOH:
WATER

Source
  • escherichia coli (E. coli)
KeywordsTRANSFERASE/Transferase regulator / allosteric enzyme / regulatory chain mutant / heterotropic regulation / TRANSFERASE-Transferase regulator COMPLEX / allosteric enzyme regulatory chain mutation

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