Examples of FosB enzymes and the pathogenic bacteria that express resistance.

FosB sub-type	Gene	Bacterial expression	Ref.
FosB1	fosB1	S. aureus, Staphylococcus haemolyticus	11
FosB2	fosB2	Bacillus anthracis, Bacillus cereus	243
FosB3	fosB3	E. faecalis, E. faecium	244
FosB4	fosB4	S. aureus, S. haemolyticus	11
FosB5	fosB5	S. aureus	11
FosB6	fosB6	S. aureus	11