X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.1
Temperature 290.0
Details THE PROTEIN SOLUTIONS CONTAINED 0.5MM NAD+, 1.0MM EDTA, 1.6M AMMONIUM SULFATE IN 0.1M PHOSPHATE BUFFER(PH 6.1) AND AN ENZYME CONCENTRATION OF 8MG/ML; THE SOLUTION IN RESERVOIR CONTAINED 2.7M AMMONIUM SULFATE IN SAME BUFFER, ROOM TEMPERATURE OF 17 DEGREES C., temperature 290K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 128.1 α = 90
b = 99.61 β = 114.4
c = 80.69 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 280
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE WEISSENBERG -- 1990-11
Diffraction Radiation
Monochromator Protocol
SI(111) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON PHOTON FACTORY BEAMLINE BL-6A -- PHOTON FACTORY BL-6A

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
1.8 150 94.0 0.079 -- -- 1.07 -- 78030 -- 0.0 14.73
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)
1.8 1.88 56.5 0.079 -- 2.1 1.07 --

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
MOLECULAR REPLACEMENT 1.88 6.0 -- 3.0 -- 58730 5961 80.96 -- 0.1717 0.1717 0.218 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)
X Ray Diffraction 1.88 1.96 -- 462 4019 0.2666 0.282 -- 49.73
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 17.25
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.79
x_bond_d 0.012
x_angle_deg 2.65
x_dihedral_angle_d 25.92
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.2
Luzzati Resolution Cutoff (Low) 6.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5020
Nucleic Acid Atoms 0
Heterogen Atoms 108
Solvent Atoms 400

Software

Computing
Computing Package Purpose
WEIS Data Reduction (intensity integration)
WEIS Data Reduction (data scaling)
X-PLOR Structure Solution
X-PLOR Structure Refinement
Software
Software Name Purpose
X-PLOR refinement
X-PLOR model building