GCA_000015665.1 P9515_00231 definition putative thiamine-monophosphate kinase GCA_000015665.1 P9515_00541 definition putative thiamine biosynthesis oxidoreductase GCA_000015665.1 P9515_14351 definition thiamine-phosphate pyrophosphorylase GCA_000015665.1 P9515_17991 definition thiamine biosynthesis protein ThiC