Searching for Enyzme Commission number 4.2.1.20 (Tryptophan 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 4.2.1.20

Gene ID	Gene Name	Description	Genome	Domain ID	Fitness
Atu0018		tryptophan synthase beta subunit	Agrobacterium fabrum C58	TIGR00263	no data
Atu0019		tryptophan synthase alpha subunit	Agrobacterium fabrum C58	TIGR00262	no data

Or search for '4.2.1.20' in Agrobacterium fabrum C58 using Curated BLAST