>sp|Q9X054|RBSD_THEMA D-ribose pyranase OS=Thermotoga maritima GN=rbsD MKKVGILNSEISKIVADMGHMDTLAVVDLGFPIPQGVKKVDLVVDRGKPGLMEVIEILLR ELKVERIILAKEMDEKSIQTKQELLKLIEKMNGPVEVVTVPHKEFKEMSKNVKGIIRTGA DIPYSNVILVGGVIF