5FFS:
reference: Elucidation of Lipid Binding Sites on Lung Surfactant Protein A Using X-ray Crystallography, Mutagenesis, and Molecular Dynamics Simulations., Goh BC, Wu H, Rynkiewicz MJ, Schulten K, Seaton BA, McCormack FX, Biochemistry. 2016 Jul 5;55(26):3692-701. doi: 10.1021/acs.biochem.6b00048. Epub , 2016 Jun 21. PMID: 27324153

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