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TitleCrystal structures of escherichia coli uridine phosphorylase in two native and three complexed forms reveal basis of substrate specificity, induced conformational changes and influence of potassium
Journal, issue, pagesJ. Mol. Biol., Vol. 337, Page 337-354, Year 2004
Publish dateDec 18, 2003 (structure data deposition date)
AuthorsCaradoc-Davies, T.T. / Cutfield, S.M. / Lamont, I.L. / Cutfield, J.F.
External linksJ. Mol. Biol. / PubMed:15003451
MethodsX-ray diffraction
Resolution1.7 - 3.1 Å
Structure data

PDB-1rxc:
E. COLI uridine phosphorylase: 5-fluorouracil ribose-1-phosphate complex
Method: X-RAY DIFFRACTION / Resolution: 2.35 Å

PDB-1rxs:
E. coli uridine phosphorylase: 2'-deoxyuridine phosphate complex
Method: X-RAY DIFFRACTION / Resolution: 2.8 Å

PDB-1rxu:
E. coli uridine phosphorylase: thymidine phosphate complex
Method: X-RAY DIFFRACTION / Resolution: 3.1 Å

PDB-1rxy:
E. coli uridine phosphorylase: type-B native
Method: X-RAY DIFFRACTION / Resolution: 1.7 Å

PDB-1t0u:
Crystal structure of E.coli uridine phosphorylase at 2.2 A resolution (Type-A Native)
Method: X-RAY DIFFRACTION / Resolution: 2.2 Å

Chemicals

ChemComp-K:
Unknown entry

ChemComp-R1P:
1-O-phosphono-alpha-D-ribofuranose

ChemComp-URF:
5-FLUOROURACIL / medication, chemotherapy*YM

ChemComp-PO4:
PHOSPHATE ION

ChemComp-5UD:
5-FLUOROURIDINE

ChemComp-HOH:
WATER

ChemComp-V7O:
META VANADATE

ChemComp-DUR:
2'-DEOXYURIDINE

ChemComp-THM:
THYMIDINE

ChemComp-ACT:
ACETATE ION

ChemComp-SO4:
SULFATE ION

ChemComp-GOL:
GLYCEROL

Source
  • escherichia coli (E. coli)
KeywordsTRANSFERASE / pentosyltransferase / uridine phosphorylase / 5-fluorouracil / induced fit / specificity / potassium / 2'-deoxyuridine / thymidine

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