1ZV9:
reference: Intermodular Linker Flexibility Revealed from Crystal Structures of Adjacent Cellulosomal Cohesins of Acetivibrio cellulolyticus., Noach I, Frolow F, Alber O, Lamed R, Shimon LJ, Bayer EA, J Mol Biol. 2009 Jun 6. PMID: 19501595

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