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TitleCrystal structures of the BtuF periplasmic-binding protein for vitamin B12 suggest a functionally important reduction in protein mobility upon ligand binding.
Journal, issue, pagesJ. Biol. Chem., Vol. 278, Page 8429-8434, Year 2003
Publish dateOct 30, 2002 (structure data deposition date)
AuthorsKarpowich, N.K. / Huang, H.H. / Smith, P.C. / Hunt, J.F.
External linksJ. Biol. Chem. / PubMed:12468528
MethodsX-ray diffraction
Resolution2 - 3 Å
Structure data

PDB-1n4a:
The Ligand Bound Structure of E.coli BtuF, the Periplasmic Binding Protein for Vitamin B12
Method: X-RAY DIFFRACTION / Resolution: 2 Å

PDB-1n4d:
The Ligand-Free Structure of E coli BtuF, the Periplasmic Binding Protein for Vitamin B12
Method: X-RAY DIFFRACTION / Resolution: 3 Å

Chemicals

ChemComp-CNC:
CYANOCOBALAMIN

ChemComp-HOH:
WATER

Source
  • escherichia coli (E. coli)
KeywordsTRANSPORT PROTEIN / ABC transporter / periplasmic binding protein / Vitamin B12 / transmembrane transport / Structural Genomics / PSI / Protein Structure Initiative / Northeast Structural Genomics Consortium / NESG

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