Find PDB structures and Computed Structure Models (CSM) by combining queries from tools in this suite: Attribute Search, Sequence Similarity, Sequence Motif, 3D Similarity, and 3D Motif with 'AND' logic.
STARTING WITH 50 STRUCTURES WITH RANDOMISED BACKBONE TORSION ANGLES ON BOTH THE RNA AND THE PROTEIN COMPONENTS, 31 STRUCTURES WERE FOUND TO HAVE CONVERGED. THE X-PLOR PROTOCOL START WITH A PERIOD OF SIMULATED ANNEALING WITH ONLY DISTANCE CONSTRAINTS (249 1 INCLUDING 123 INTERMOLECULAR) FOLLOWED BY A PERIOD OF REFINEMENT WHERE 110 DIHEDRAL CONSTRAINTS DERIVED FROM J COUPLING ANALYSIS AND PHOSPHORUS CHEMICAL SHIFT VALUE WERE ADDED (IN THE RNA ONLY). NO DIHEDRAL ANGLE VIOLATIONS AND AN AVERAGE OF 4 NOE VIOLA TIONS BETWEEN 0.2 - 0.5 A WERE FOUND IN THE 31 CONVERGED STRUCTURES.