PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11489902-6 2001 The activity of transketolase, the enzyme responsible for nonoxidative ribose synthesis in the pentose cycle, was less affected, and there was a relative increase in glucose carbon incorporation into RNA through nonoxidative synthesis as indicated by the increase in the m2/Sigma(m)n ratio in RNA. Pentoses 95-102 transketolase Homo sapiens 16-29