3T4P:
reference: The narrow active-site cleft of O-acetylserine sulfhydrylase from Leishmania donovani allows complex formation with serine acetyltransferases with a range of C-terminal sequences., Raj I, Kumar S, Gourinath S, Acta Crystallogr D Biol Crystallogr. 2012 Aug;68(Pt 8):909-19. Epub 2012 Jul 7. PMID: 22868756

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