UniProt flat file for arr (O67972)
Ribosylative inactivation of rifampin by Mycobacterium smegmatis is a principal contributor to its low susceptibility to this antibiotic.
-
Genetic disruption and biochemical assays identify Arr-mediated rifampin ribosylation as a resistance mechanism.
"Targeted disruption of the gene in M. smegmatis resulted in mutants with much increased susceptibility to rifampin"
Curated ARO to GO mapping set for AMR gene families
-
The AMR mapping records Arr as a GO molecular-function gap because the nearest ADP-ribosyltransferase terms are wrong for rifampin mono-ADP-ribosylation.
"GO's nearest term GO:0003950 is NAD+ poly-ADP-ribosyltransferase"