2DKC:
reference: Crystal structures of N-acetylglucosamine-phosphate mutase, a member of the alpha -D-phosphohexomutase superfamily, and its substrate and product complexes., Nishitani Y, Maruyama D, Nonaka T, Kita A, Fukami TA, Mio T, Yamada-Okabe H, Yamada-Okabe T, Miki K, J Biol Chem. 2006 May 1;. PMID: 16651269

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