4.1.2.48	(R)-N-Cbz-alaninal + glycine	conversion: 40%, glycine concentration: 70 mM, reaction temperature: 4°C, yield: 30%, L-erythro/L-threo: 16:84	Escherichia coli	(2S,3R,4R)-2-amino-4-(benzyloxycarbonylamino)-3-hydroxypentanoic acid	-	?	399558	
4.1.2.48	(R)-N-Cbz-alaninal + glycine	conversion: 60%, glycine concentration: 70 mM, reaction temperature: 4°C, yield: 30%, L-erythro/L-threo: 100:0	Streptococcus thermophilus	(2S,3R,4R)-2-amino-4-(benzyloxycarbonylamino)-3-hydroxypentanoic acid	-	?	399558	
4.1.2.48	(R)-N-Cbz-alaninal + glycine	conversion: 40%, glycine concentration: 70 mM, reaction temperature: 4°C, yield: 30%, L-erythro/L-threo: 16:84	Escherichia coli	(2S,3S,4R)-2-amino-4-(benzyloxycarbonylamino)-3-hydroxypentanoic acid	-	?	399559	
4.1.2.48	benzyloxyacetaldehyde + glycine	conversion: 45%, glycine concentration: 140 mM, reaction temperature: 25°C, yield: 30%, L-erythro/L-threo: 40:60	Escherichia coli	(2S,3R)-2-amino-4-(benzyloxy)-3-hydroxybutanoic acid	-	?	400539	
4.1.2.48	benzyloxyacetaldehyde + glycine	conversion: 68%, glycine concentration: 70 mM, reaction temperature: 4°C, yield: 40%, L-erythro/L-threo: 97:3	Streptococcus thermophilus	(2S,3R)-2-amino-4-(benzyloxy)-3-hydroxybutanoic acid	-	?	400539	
4.1.2.48	benzyloxyacetaldehyde + glycine	conversion: 45%, glycine concentration: 140 mM, reaction temperature: 25°C, yield: 30%, L-erythro/L-threo: 40:60	Escherichia coli	(2S,3S)-2-amino-4-(benzyloxy)-3-hydroxybutanoic acid	-	?	400540	
4.1.2.48	DL-erythro-phenylserine	-	Escherichia coli	glycine + benzaldehyde	-	?	381818	
4.1.2.48	DL-threo-(3-methylsulfonylphenyl)serine	121% of the activity with L-threonine	Escherichia coli	glycine + 3-methylsulfonylbenzaldehyde	-	?	428594	
4.1.2.48	DL-threo-(3-nitrophenyl)serine	143% of the activity with L-threonine	Escherichia coli	glycine + 3-nitrobenzaldehyde	-	?	428595	
4.1.2.48	DL-threo-phenylserine	-	Escherichia coli	glycine + benzaldehyde	-	?	381825