PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7248279-0 1981 Kinetic and chlorine-35 nuclear magnetic resonance studies in the effect of chloride on the properties of chicken liver dihydrofolate reductase. Chlorine 12-20 dihydrofolate reductase Gallus gallus 120-143