Searching for Enyzme Commission number 4.2.3.1 (Threonine synthase.) by Reannotation, by TIGRFam, by KEGG ortholog group, by SEED annotation, or by best hit in MetaCyc

Match by TIGRFam's EC number for 4.2.3.1

Gene ID	Gene Name	Description	Genome	Domain ID	Fitness
ECD_00004		L-threonine synthase	Escherichia coli BL21	TIGR00260	strong

Or search for '4.2.3.1' in Escherichia coli BL21 using Curated BLAST