1.1.1.56 43.6 - ribitol dehydrogenase B 287120 1.1.1.56 50 150 for ribitol in crude extract 287123 1.1.1.56 50 200 for L-arabitol in crude extract 287123 1.1.1.56 59 - - 287125 1.1.1.56 83 - wild type enzyme 287121 1.1.1.56 90.5 - - 287124 1.1.1.56 144 - - 287126 1.1.1.56 270 280 for xylitol in crude extract 287123 1.1.1.56 23000 - after crystallization 287123