ISAT 454 First Exam Fall 2002
Your name:______________________________ 25 points total
Include reference citations for each of your answers.
Go to the pdb main page and download, 1 IRL and 3INK
a) (2 points) What is the name of this protein? ________________What is its function?
b) (4 points) Use RasMol to create two side by side gif files that illustrate the difference between
these two structures. The gif files should have a white background and shows the protein as
ribbons, colored by “structure.” Any individual amino acids that you might want to highlight
should be in red spacefill. Paste your gif files in the text boxs below.
c) (4 points) Write a good caption for this these figures.
d) (2 points) There is a disulfide bond in the 1IRL structure. Which specific amino acids are
involved in this disulfide bond (give the name of the type of amino acid and the amino acid
number for each.)
2. (2 points) Go to the pdb main page to find the pdb file 1AKL.
Besides amino acids, there are metal ions in this structure. What kind of metal ions are there and
how many are there? _____________________
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