PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 33682791-2 2021 Structural analysis of several inhibitor compounds bound to CRM1 revealed that their mechanism of action relies on the covalent modification of a critical cysteine residue (Cys528 in the human receptor) located in the nuclear export signal-binding cleft. Cysteine 155-163 exportin 1 Homo sapiens 60-64