Structure of MMACHC reveals an arginine-rich pocket and a domain-swapped dimer for its B12 processing function.
Froese DS, Krojer T, Wu X, Shrestha R, Kiyani W, von Delft F, Gravel RA, Oppermann U, Yue WW. Biochemistry. 2012 Jun 26; 51(25):5083-90. Epub 2012 Jun 14.