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TitleBinding of allosteric effectors to ribonucleotide reductase protein R1: reduction of active-site cysteines promotes substrate binding.
Journal, issue, pagesStructure, Vol. 5, Page 1077-1092, Year 1997
Publish dateJul 15, 1997 (structure data deposition date)
AuthorsEriksson, M. / Uhlin, U. / Ramaswamy, S. / Ekberg, M. / Regnstrom, K. / Sjoberg, B.M. / Eklund, H.
External linksStructure / PubMed:9309223
MethodsX-ray diffraction
Resolution2.9 - 3.2 Å
Structure data

PDB-1r1r:
RIBONUCLEOTIDE REDUCTASE R1 PROTEIN MUTANT Y730F WITH A REDUCED ACTIVE SITE FROM ESCHERICHIA COLI
Method: X-RAY DIFFRACTION / Resolution: 2.9 Å

PDB-2r1r:
RIBONUCLEOTIDE REDUCTASE R1 PROTEIN WITH DTTP OCCUPYING THE SPECIFICITY SITE FROM ESCHERICHIA COLI
Method: X-RAY DIFFRACTION / Resolution: 3 Å

PDB-3r1r:
RIBONUCLEOTIDE REDUCTASE R1 PROTEIN WITH AMPPNP OCCUPYING THE ACTIVITY SITE FROM ESCHERICHIA COLI
Method: X-RAY DIFFRACTION / Resolution: 3 Å

PDB-4r1r:
RIBONUCLEOTIDE REDUCTASE R1 PROTEIN WITH SUBSTRATE, GDP AND EFFECTOR DTTP FROM ESCHERICHIA COLI
Method: X-RAY DIFFRACTION / Resolution: 3.2 Å

Chemicals

ChemComp-HOH:
WATER

ChemComp-TTP:
THYMIDINE-5'-TRIPHOSPHATE

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

ChemComp-GDP:
GUANOSINE-5'-DIPHOSPHATE / GDP, energy-carrying molecule*YM

Source
  • escherichia coli (E. coli)
KeywordsOXIDOREDUCTASE / DEOXYRIBONUCLEOTIDE SYNTHESIS / RADICAL CHEMISTRY / REDOX CENTER / RIBONUCLEOTIDE REDUCTASE / COMPLEX (OXIDOREDUCTASE/PEPTIDE) / ALLOSTERIC REGULATION / SPECIFICITY / COMPLEX (OXIDOREDUCTASE-PEPTIDE) / COMPLEX (OXIDOREDUCTASE-PEPTIDE) complex

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