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> says that the structures have the wrong hand and topology > due to an "in-house" program that inverted the signs on the anomalous pairs. Hmm...the model helices are right handed. If you swap sign (such as in earlier days by placing image plates wrong way in reader), the whole structure is invers and the helices have wrong hand. I can't see this in 1z2r. If right handed helices were built into initially left handed (poor) density, then the RSCC would scream (as it did, if I interpret the remark about EDS correctly). There got to be more to this story? Merry Christmas, BR
