2I55:
reference: Structure of Leishmania mexicana phosphomannomutase highlights similarities with human isoforms., Kedzierski L, Malby RL, Smith BJ, Perugini MA, Hodder AN, Ilg T, Colman PM, Handman E, J Mol Biol. 2006 Oct 13;363(1):215-27. Epub 2006 Aug 12. PMID: 16963079

This OCA Structure page
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