Suggested Reaction 1.4.1.-

Left

dTDP-4-amino-4,6-dideoxy-5-C-methyl-L-mannose
+NADP+
+H2O

Right

dTDP-4-oxo-5-C-methyl-L-rhamnose
+Ammonia
+NADPH
+H+

[BiSSCat | GREP ]