Solution structure of the fluorogen-activating protein FAST in complex with the ligand N871b

NanoFAST: structure-based design of a small fluorogen-activating protein with only 98 amino acids.

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0.85 mM [U-13C; U-15N] FAST, 0.90 mM N87, 20 mM sodium phosphate, 20 mM sodium chloride, 0.01 % sodium azide, 95% H2O/5% D2O