4MKK:
reference: Alliin is a suicide substrate of Citrobacter freundii methionine gamma-lyase: structural bases of inactivation of the enzyme., Morozova EA, Revtovich SV, Anufrieva NV, Kulikova VV, Nikulin AD, Demidkina TV, Acta Crystallogr D Biol Crystallogr. 2014 Nov;70(Pt 11):3034-42. doi:, 10.1107/S1399004714020938. Epub 2014 Oct 29. PMID: 25372692

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