>sp|A8F3M5|RBSD_PSELT D-ribose pyranase OS=Pseudothermotoga lettingae GN=rbsD MKKNGILNRELSYLIASMGHGDILSIVDSGFPISEDVFCVDLSLIAGKPKIVEIIIPLLE ELEIEKVLIAEEIKMISPKYHQKLLSIFPKNVQIEYIPHEKFKDRVRESKGVVRTGEQTS YSSVILVGGVTYHGEKEEGL