An easily fixed error in the Nyburg algorithm for discovering the best fit between molecules

Bajaj, 1984, Evolution and the tertiary structure of proteins, Annu. Rev. Biophys. Bioeng., 13, 453, 10.1146/annurev.bb.13.060184.002321 Nyburg, 1974, Some uses of a best molecular fit routine, Acta. Crystallogr., B30, 251, 10.1107/S0567740874002603 Sippl, 1991, Superposition of Three-Dimensional Objects: A Fast and Numerically Stable Algorithm for the Calculation of the Matrix of Optimal Rotation, Comp. Chem., 15, 73, 10.1016/0097-8485(91)80026-I Kabsch, 1978, A discussion of the solution for the best rotation to relate two sets of vectors, Acta Crystallogr., A34, 827, 10.1107/S0567739478001680 Obtained from the Computer Graphics Laboratory, OK2, Lunds University, Lund, Sweden, Dr. R.E. Carter and Dr. T. Liljefors