4L67:
reference: NMR binding and crystal structure reveal that intrinsically-unstructured regulatory domain auto-inhibits PAK4 by a mechanism different from that of PAK1., Wang W, Lim L, Baskaran Y, Manser E, Song J, Biochem Biophys Res Commun. 2013 Jul 20. pii: S0006-291X(13)01198-4. doi:, 10.1016/j.bbrc.2013.07.047. PMID: 23876315

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