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. Author manuscript; available in PMC: 2010 Apr 14.
Published in final edited form as: Biochemistry. 2009 Apr 14;48(14):3138–3145. doi: 10.1021/bi9000134

FIGURE 2.

FIGURE 2

His112 acts as a lower ligand to five-coordinate cob(II)alamin in LrPduOF112H. Stereoview of LrPduOF112H with the individual subunits of the trimer represented as ribbons colored in blue, red and brown. For clarity, only the active site at the interface of the red and blue subunits is shown. The carbon atoms of cob(II)alamin are colored in black while the carbon atoms of ATP are colored in green. The potassium (purple sphere) and magnesium (green sphere) atoms are also displayed. The electron density corresponding to the DMB portion of cob(II)alamin is disordered and, therefore, DMB could not be modeled.