4UXG:
reference: Crystallization of the carboxy-terminal region of the bacteriophage T4 proximal long tail fibre protein gp34., Granell M, Namura M, Alvira S, Garcia-Doval C, Singh AK, Gutsche I, van Raaij MJ, Kanamaru S, Acta Crystallogr F Struct Biol Commun. 2014 Jul;70(Pt 7):970-5. doi:, 10.1107/S2053230X14010449. Epub 2014 Jun 19. PMID: 25005101

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