PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 33673243-4 2021 We present models based on small-angle X-ray scattering (SAXS) data that (1) confirm that the mode of binding of inhibitor to an active A3B C-terminal domain construct in the solution state is the same as the mode of binding substrate to inactive mutants of A3A and A3B revealed in X-ray crystal structures and (2) give insight into the disulfide-linked inactive dimer formed under the oxidizing conditions of purification. Disulfides 337-346 apolipoprotein B mRNA editing enzyme catalytic subunit 3B Homo sapiens 136-139