2GET:
reference: Invariance and variability in bacterial PanK: a study based on the crystal structure of Mycobacterium tuberculosis PanK., Das S, Kumar P, Bhor V, Surolia A, Vijayan M, Acta Crystallogr D Biol Crystallogr. 2006 Jun;62(Pt 6):628-38. Epub 2006, May 12. PMID: 16699190

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