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Images collected on day 15 from crystallization drops of various protein samples. The total drop volume is double the protein value given. The volumes are representative and were not optimized as similar crystals appeared at the various volumes explored. (a) HCV helicase (50 nl). (b) Human serum albumin (50 nl). (c) HCV polymerase (30 nl). (d) HIV RT (15 nl). (e) ITK (30 nl). (f) Lysozyme (15 nl).
