4E1A:
reference: X-ray study of the conformational changes in the molecule of phosphopantetheine adenylyltransferase from Mycobacterium tuberculosis during the catalyzed reaction., Timofeev V, Smirnova E, Chupova L, Esipov R, Kuranova I, Acta Crystallogr D Biol Crystallogr. 2012 Dec;68(Pt 12):1660-70. doi:, 10.1107/S0907444912040206. Epub 2012 Nov 9. PMID: 23151631

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