TY - RPRT TI - Lethal factor active-site mutations affect catalytic activity in vitro. AU - S E Hammond AU - P C Hanna PY - 1998 DO - 10.1128/iai.66.5.2374-2378.1998 UR - https://pubmed.ncbi.nlm.nih.gov/9573135/ ID - 9573135 ER -