3JWA:
reference: Three-dimensional structures of noncovalent complexes of Citrobacter freundii methionine gamma-lyase with substrates., Revtovich SV, Morozova EA, Khurs EN, Zakomirdina LN, Nikulin AD, Demidkina TV, Khomutov RM, Biochemistry (Mosc). 2011 May;76(5):564-70. doi: 10.1134/S0006297911050063. PMID: 21639836

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