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a. Structure of (gp27)3(gp5)3(gp5.4)1 to show the location of the pseudo-sixfold symmetry of gp27 and pseudo threefold symmetry of gp5.4. b. Four domains of gp27, where Domains I and III constitute part of the pseudo sixfold symmetry as shown in c. c Overview of gp27 and gp5.4 to show the pseudo sixfold symmetry of (gp27)3 and pseudo threefold symmetry of gp5.4. d. Parallel β-sheets formed between gp5.4 and gp5C. #1, #2, #3 Three identical subunits (numbers are arbitrary)
