1L6S:
reference: Species-specific inhibition of porphobilinogen synthase by 4-oxosebacic acid., Jaffe EK, Kervinen J, Martins J, Stauffer F, Neier R, Wlodawer A, Zdanov A, J Biol Chem 2002 May 31;277(22):19792-9. PMID: 11909869

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