PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10970306-3 2000 The partitioning ratio of the reactive intermediate (PBr(+)) between reversal and product formation (k(-)(d)/k(2)) is not particularly sensitive to the nature of the pyridine, the limiting values being 3-7 except in the case of bis(2(-)-menthylpyridine)bromonium triflate where the k(-)(d)/k(2) ratio is approximately 80. pyridine 166-174 translocator protein Homo sapiens 53-56