PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 32538427-4 2020 Here, we determined the crystal structure of the AHAS holoenzyme, revealing the association between the RSU and CSU in an A2B2 mode. rsu 104-107 ilvB acetolactate synthase like Homo sapiens 49-53