4CO1:
reference: Structure and thermodynamics of effector molecule binding to the nitrogen signal transduction P protein GlnZ from Azospirillum brasilense., Truan D, Bjelic S, Li XD, Winkler FK, J Mol Biol. 2014 May 17. pii: S0022-2836(14)00247-2. doi:, 10.1016/j.jmb.2014.05.008. PMID: 24846646

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