1.   (1) David Liu would like to know the possible functional
sites of his new protein (from hw 6).
           Please help him to identify any biologically significant sites or
patterns.
      (2) Please help him to analyze the enzymatic digestion by trypsin and
endoproteinase Glu-C.
      (3) Calculate the molecular weight of this protein.

2. Pick up one bioinformatic site and prepare to introduce to your
classmates on 1/8.