6.3.1.21	760555	 Cloning and characterization of a new purine biosynthetic enzyme	 a non-folate glycinamide ribonucleotide transformylase from E. coli	Biochemistry	 33	 2531-2537 	1994	Escherichia coli	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=8117714&form=6&db=m	
6.3.1.21	761366	 Evidence for a novel glycinamide ribonucleotide transformylase in Escherichia coli	J. Bacteriol.	 175	 3591-3597 	1993	Escherichia coli	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=8501063&form=6&db=m	
6.3.1.21	760556	 Formyl phosphate	 a proposed intermediate in the reaction catalyzed by Escherichia coli PurT GAR transformylase	Biochemistry	 36	 6709-6716 	1997	Escherichia coli	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=9184151&form=6&db=m	
6.3.1.21	761368	 Formyltetrahydrofolate hydrolase, a regulatory enzyme that functions to balance pools of tetrahydrofolate and one-carbon tetrahydrofolate adducts in Escherichia coli	J. Bacteriol.	 177	 1292-1298 	1995	Escherichia coli	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=8226647&form=6&db=m	
6.3.1.21	760559	 Molecular structure of Escherichia coli PurT-encoded glycinamide ribonucleotide transformylase	Biochemistry	 39	 8791-8802 	2000	Escherichia coli	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=10913290&form=6&db=m	
6.3.1.21	756596	 Structural characterization of glycinamide-RNase-transformylase T from Mycobacterium tuberculosis	Emerg. Microbes Infect.	 9	 58-66 	2020	Mycobacterium tuberculosis	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=31894729&form=6&db=m	
6.3.1.21	756596	 Structural characterization of glycinamide-RNase-transformylase T from Mycobacterium tuberculosis	Emerg. Microbes Infect.	 9	 58-66 	2020	Mycobacterium tuberculosis H37Rv	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=31894729&form=6&db=m	
6.3.1.21	761243	 The in vitro redundant enzymes PurN and PurT are both essential for systemic infection of mice in Salmonella enterica serovar Typhimurium	Infect. Immun.	 84	 2076-2085 	2016	Salmonella enterica subsp. enterica serovar Typhimurium	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=27113361&form=6&db=m	
6.3.1.21	761243	 The in vitro redundant enzymes PurN and PurT are both essential for systemic infection of mice in Salmonella enterica serovar Typhimurium	Infect. Immun.	 84	 2076-2085 	2016	Salmonella enterica subsp. enterica serovar Typhimurium 4/74	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=27113361&form=6&db=m