PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12499594-4 2002 Comparison of values for log P(O/M-W) (log P for the Octane/MeOH-Water partitioning system) and log k measured for monosubstituted pyrazines at different methanol concentrations, showed closest correlation (r, 0.94) with 50% aqueous methanol; and importantly, under these conditions, log k shows even better correlation (r, 0.99) with log P(oct). Pyrazines 131-140 plexin A2 Homo sapiens 341-344