Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, Arkansas 72701, and Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, California ...

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The PsiPrior can be flipped 180 degrees if needed without losing the information of the initial helix direction. Then, local angular searches can be done with the Psi angle. And the PsiPriorStart can ...