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. 2012 Jan 26;8(1):e1002509. doi: 10.1371/journal.ppat.1002509

Table 2. Substrate specificity of MurT/GatD.

substrates
glutamine NH3 NH4Cl glutamate/NH4Cl
enzymes pH 7.5
MurT/GatD +
MurT/GatD_C94G
GlnA+MurT/GatD + +
pH 8.5
MurT/GatD + + + nd*
MurT/GatD_C94G + + nd*

*nd; not determined.

MurT/GatD and MurT/GatD_C94G catalyzed amidation of lipid II was analyzed in the presence of diverse putative nitrogen donor substrates at pH 7.5 and pH 8.5, respectively.