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Homology modelling of the phage Arno 160 tail spike central region (A,B) and outer capsid protein (C), performed with best-fitting HHpred templates (toolkit.tuebingen.mpg.de). The tail spike contains parallel β-helices organized as triangular β-prisms (B), and the outer capsid protein contains an Ig-like domain (circled). The models are colored based on rainbow gradient scheme where the N-terminus of the polypeptide chain is colored blue, and the C-terminus is colored red.
