trans,octa-cis-decaprenylphospho-beta-D-ribofuranose + phosphate => trans,octa-cis-decaprenylphospho-beta-D-ribofuranose 5-phosphate + H2O
trans,octa-cis-decaprenylphospho-beta-d-ribofuranose + phosphate => trans,octa-cis-decaprenylphospho-beta-d-ribofuranose 5-phosphate + h2o