PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 28039278-2 2017 BlaC differs from Bla Mab at Ambler position 132 in the conserved motif SDN (SDG versus SDN, respectively). secoisolariciresinol diglucoside 77-80 beta-lactamase Escherichia coli 0-3