TY - RPRT TI - Integron integrases possess a unique additional domain necessary for activity. AU - N Messier AU - P H Roy PY - 2001 DO - 10.1128/jb.183.22.6699-6706.2001 UR - https://pubmed.ncbi.nlm.nih.gov/11673443/ ID - 11673443 ER -