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thus a simple distance restraint might be written.
NH hydrogen atoms were refined with a distance restraint of N H = 0.88(2) Å.
In addition to the distance restraint derived from CXMS, the restraints also included covalent terms, and van der Waals repulsive energy term.
As the cross-linker cannot penetrate through the protein and can only be at the protein surface, the SASD is a more realistic representation of the cross-linker and affords more stringent distance restraint.
With the cross-linker patched to one domain (or one subunit), the cross-linking process is simulated by enforcing a distance restraint between the end of the cross-linker and the reactive group of the other cross-linked residue.
A Average violation of CXMS distance restraint (blue axis on the left) and the number of the satisfied restraints (orange axis on the right) versus the number of conformers representing the complex.
Similar(16)
Additionally, 3D 1H-15N and 1H-13C NOESY-HSQC spectra with mixing times of 120 ms were collected to generate distance restraints.
Thus, we show that the CDK9/Cyclin-T1 canplex can be modeled as a single conformer, based on sparse CXMS distance restraints.
An initial run of 1 ns, considering distance restraints between two base pairs, was performed, following MFold prediction.
The model structures of ChTx-KCa3.1 and OSK1-KCa3.1 complexes are then constructed using MD simulations biased with distance restraints.
The numerous NOE-based distance restraints demonstrate that the aromatic ring of Phe175 is well defined.
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