3PHY:
reference: Solution structure and backbone dynamics of the photoactive yellow protein., Dux P, Rubinstenn G, Vuister GW, Boelens R, Mulder FA, Hard K, Hoff WD, Kroon AR, Crielaard W, Hellingwerf KJ, Kaptein R, Biochemistry 1998 Sep 15;37(37):12689-99. PMID: 9737845

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