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  • Title: Structure of hypothetical Mo-cofactor biosynthesis protein B (ST2315) from Sulfolobus tokodaii.
    Author: Antonyuk SV, Strange RW, Ellis MJ, Bessho Y, Kuramitsu S, Shinkai A, Yokoyama S, Hasnain SS.
    Journal: Acta Crystallogr Sect F Struct Biol Cryst Commun; 2009 Dec 01; 65(Pt 12):1200-3. PubMed ID: 20054111.
    Abstract:
    The structure of a probable Mo-cofactor biosynthesis protein B from Sulfolobus tokodaii, belonging to space group P6(4)22 with unit-cell parameters a = b = 136.68, c = 210.52 A, was solved by molecular replacement to a resolution of 1.9 A and refined to an R factor and R(free) of 16.8% and 18.5%, respectively. The asymmetric unit contains a trimer, while the biologically significant oligomer is predicted to be a hexamer by size-exclusion chromatography. The subunit structure and fold of ST2315 are similar to those of other enzymes that are known to be involved in the molybdopterin- and molybdenum cofactor-biosynthesis pathways.
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