NEUTRON DIFFRACTION Experimental Data


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details CRYSTALS SELECTED FOR NEUTRON STUDY WERE TRANSFERRED TO A 1ML BUFFERMADE UP OF 99.9% D2O WITH 0.1M NANO3, 0.05M TRIS-ACETATE, 1MM MNCL2 AND 1MM CACL2; PH 6.5.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 89.11 α = 90
b = 87.58 β = 90
c = 63.26 γ = 90
Symmetry
Space Group I 2 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
CYLINDRICAL DETECTOR EIGHT IMAGE PLATE EACH 200X200 MM FUJI -- 1997-10-21
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
-- -- -- -- --

Data Collection

Overall
Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot
2.4 15.79 89.0 0.222 0.222 -- 4.4 -- 8605 -- -- --
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
2.4 2.48 82.2 0.436 -- 1.4 3.9 --

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
-- 2.4 15.792 -- 0.0 -- 8605 475 88.5 -- 0.27 0.27 0.301 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
Neutron Diffraction 2.4 2.51 -- 38 778 0.302 0.378 -- 82.5
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 22.9
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 3.7
x_bond_d 0.018
x_angle_deg 2.2
x_dihedral_angle_d 18.2
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.35
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.422
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1809
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 148

Software

Computing
Computing Package Purpose
INTLAUE Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
X-PLOR 3.851 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.851 refinement