Structure Refinement Programs
These programs are based on a modified version of the Hendrickson-Konnert least-squares refinment method .
 Hendrickson,W.A. 1981. Refinement of Protein Structures, edited by P.A.Machin, J.W.Campbell & M.Elder, pp1-8. Daresbury:Science and EngineringResearch Councel.
SCATT is a diffraction data preparing program for PROLSQ.
PROTIN is an atomic coordinates analyzing and preparing program for PROLSQ.
PROLSQ is a Restrained least squares refinment program.
X-PLOR is used instead of PROLSQ .
 Brunger,A.T. 1990,X-PLOR (Version 2.1) Manual.