PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 14747464-13 2004 These results suggest that mdN modulates the synthesis of mt dTTP by counteracting in a substrate cycle the phosphorylation of thymidine by the mt thymidine kinase. Thymidine 127-136 5',3'-nucleotidase, mitochondrial Homo sapiens 27-30