REPLACE, a suite of computer programs for molecular-replacement calculations
Journal of Applied Crystallography
Volume 26, Issue 5, pages 748–751, October 1993
How to Cite
Tong, L. (1993), REPLACE, a suite of computer programs for molecular-replacement calculations. Jnl Applied Crystallography, 26: 748–751. doi: 10.1107/S0021889893005631
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A suite of computer programs (REPLACE) for crystal-structure determination by the molecular-replacement method has been developed. It currently includes a general (locked) rotation-function program (GLRF) and a translation-function program (TF). The rotation-function program can carry out ordinary as well as locked self- or cross-rotation-function calculations. It can also optimize non-crystallographic symmetry parameters based on the maximal electron-density overlap of the subunits related by the non-crystallographic symmetry. The translation search can be based on R-factors, correlation coefficients, Patterson correlation and electron-density-correlation criteria. The packing of the molecular structure in the unit cell can be checked as well.