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Yang LH, et al. PCR mutagenesis and overexpression of tryptophan synthase from Salmonella typhimurium: on the roles of beta2 subunit Lys-382. Protein Expr. Purif. 8: 126-136, 1996. PubMed: 8812843

Jhee KH, et al. Domain architecture of the heme-independent yeast cystathionine beta-synthase provides insights into mechanisms of catalysis and regulation. Biochemistry 39: 10548-10556, 2000. PubMed: 10956046