Table 2.

Substrate specificity of previously described aaPGS enzymes

Strain	Enzyme/ORF	Specificity	Reference(s)
Agrobacterium tumefaciens	LpiA	L-PG	68, 73
Bacillus anthracis	BAS1375	L-PG	77
Bacillus subtilis	MprF	L-PG, A-PG	73, 74, 82
Caulobacter crescentus	CC_2047	L-PG	10, 39
Clostridium perfringens	CPR_1564	A-PG	73, 75
	CPR_1258	L-PG	75
Enterococcus faecium	ZP_000604896	L-PG, A-PG, R-PG	73
Listeria monocytogenes	Lmo1695	L-PG, L-DPG	87
Mycobacterium smegmatis	LysX	L-PG	58
Mycobacterium tuberculosis	LysX	L-PG	59
Pseudomonas aeruginosa PAO1	A-PGS (PA0920)	A-PG	30, 43
Rhizobium tropici	LpiA	L-PG	82
Staphylococcus aureus	MprF	L-PG	19, 65, 83