Recombinant AciX9_0562 from Acidobacterium sp. MP5ACTX9 (UniProt ID E8WYN5) containing sequence motifs characteristic of the RmlC-type cupins superfamily and containing Pfam motif PF07883 has been successfully cloned, expressed and purified. AciX9_0562 crystallized in a number of conditions from the Morpheus protein crystallization screen. The best crystal diffracted to 2.7 Å resolution (space group C222(1); unit-cell parameters a = 125.29, b = 254.63, c = 82.99 Å). Structure solution was facilitated by the automated molecular-replacement pipeline BALBES. The initial solution was automatically rebuilt using the PHENIX AutoBuild wizard, with final R and R(free) values of 0.23 and 0.26, respectively. The structure is currently undergoing manual refinement.
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