Ribitol xylosyltransferase 1 MRLTRKRLCS FLIALYCLFS LYAAYHVFFG RRRQAPAGSP RGLRKGAAPA RERRGREQST LESEEWNPWE GDEKNEQQHR FKTSLQILDK STKGKTDLSV QIWGKAAIGL YLWEHIFEGL LDPSDVTAQW REGKSIVGRT QYSLQLKQLH GY