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For the space groups P21, Flack parameters should be given as it is chiral. I do wonder if all chains really have the same helicity, or if the next ones run antiparallel as so often. Then the space groups would be wrong. Please check.
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chuquzouzou(½ð±Ò+3): ллÄãµÄÖ¸µã~~~ 2011-05-10 12:51:10
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good luck
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