3ABS:
reference: Crystal structures of ethanolamine ammonia-lyase complexed with coenzyme B12 analogs and substrates., Shibata N, Tamagaki H, Hieda N, Akita K, Komori H, Shomura Y, Terawaki S, Mori K, Yasuoka N, Higuchi Y, Toraya T, J Biol Chem. 2010 Aug 20;285(34):26484-93. Epub 2010 Jun 1. PMID: 20519496

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