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[DOI] [PMC free article] [PubMed] [Google Scholar] 45.Li Y., Li W., Xu Z

The bifunctional enzyme formimidoyltransferase cyclodeaminase (encoded by the FTCD gene) releases monoglutamate 5-forminino-THF from N -formimidoyl-L-glutamate (commonly referred to as FIGLU) and then glutamate and 5,10-methenyl-THF
Matherly, L
TABLE 3

Most documented protocols treat glutathione supplementation as a maintenance intervention rather than a cycled compound
