If you did not manually save a solution in puzzle 721, you can go back to 721, manually save it, and the solution should appear in your manual saves for this puzzle.
Please let us know if you still run into the same wiggle-sticking issues as in the first round: http://fold.it/portal/node/995243
I know we are to avoid covering the top of the ligand. I am not sure what part of the ligand is "the top". Any clarification would be cool.