1h1l
From Proteopedia
NITROGENASE MO-FE PROTEIN FROM KLEBSIELLA PNEUMONIAE, NIFV MUTANT
Overview
The x-ray crystal structure of NifV(-) Klebsiella pneumoniae nitrogenase MoFe protein (NifV(-) Kp1) has been determined and refined to a resolution of 1.9 A. This is the first structure for a nitrogenase MoFe protein with an altered cofactor. Moreover, it is the first direct evidence that the organic acid citrate is not just present, but replaces homocitrate as a ligand to the molybdenum atom of the iron molybdenum cofactor (FeMoco). Subsequent refinement of the structure revealed that the citrate was present at reduced occupancy.
About this Structure
1H1L is a Protein complex structure of sequences from Klebsiella pneumoniae. Full crystallographic information is available from OCA.
Reference
Crystallographic analysis of the MoFe protein of nitrogenase from a nifV mutant of Klebsiella pneumoniae identifies citrate as a ligand to the molybdenum of iron molybdenum cofactor (FeMoco)., Mayer SM, Gormal CA, Smith BE, Lawson DM, J Biol Chem. 2002 Sep 20;277(38):35263-6. Epub 2002 Jul 19. PMID:12133839 Page seeded by OCA on Fri May 2 18:18:07 2008
