1.20.1.1	phosphite + H2O + NAD+	-	
1.20.1.1	phosphite + H2O + NAD+	use of phosphite as energy source, regeneration of NADH	
1.20.1.1	phosphonate + H2O + NAD+	enables growth on phosphonate as sole phosphorous source	
1.20.1.1	phosphonate + H2O + NAD+	NADH regeneration system	
1.20.1.1	phosphonate + NAD+ + H2O	-