PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8227336-5 1993 Aminocephalosporins displayed high affinities (KiS generally < 250 microM), whereas aminopenicillins displayed low affinities (Ki 0.78-3.03 mM). aminocephalosporins 0-19 U2AF homology motif kinase 1 Homo sapiens 47-50