3F0A:
reference: Crystal structure of the novel PaiA N-acetyltransferase from Thermoplasma acidophilum involved in the negative control of sporulation and degradative enzyme production., Filippova EV, Shuvalova L, Minasov G, Kiryukhina O, Zhang Y, Clancy S, Radhakrishnan I, Joachimiak A, Anderson WF, Proteins. 2011 Aug;79(8):2566-77. doi: 10.1002/prot.23062. Epub 2011 Jun, 1. PMID: 21633970

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).