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Space-filling models of a segment of a (ProMopGly)n and (mopProGly)n triple helix. Models were constructed from the three-dimensional structure of a (ProProGly)n triple helix (PDB entry 1k6f10) by replacing the appropriate hydrogen with a methoxy group in its least hindered conformation using the program SYBYL (Tripos, St. Louis, MO). Models were depicted with the program PyMOL.
