X-RAY DIFFRACTION Experimental Data & Validation

X-ray Experimental Help


Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 7.5
Temperature 277.0
Details 50 mM sodium phosphate, 2 mM NAD+, 14% (w/v) PEG 8000, 14 mg/ml protein, pH 7.5, VAPOR DIFFUSION, SITTING DROP at 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 43.9 α = 79.9
b = 53.4 β = 89.5
c = 90.2 γ = 69.3
Space Group P 1


Diffraction Experiment
ID # Data Collection Temperature
1 110
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IIC yale focusing mirrors 1998-09-22
Diffraction Radiation
Monochromator Protocol
yale focusing mirrors with nickel filter SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline

Data Collection

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
2.2 44 87.5 0.034 -- -- 2.0 37772 33051 0.0 0.0 25.4
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)
2.2 2.27 64.5 0.12 -- -- 1.84 --


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 2.2 44.0 0.0 0.0 37772 33051 2345 -- 0.194 0.194 0.193 0.257 random
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model isotropic individual
Mean Isotropic B 19.6
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.44
x_angle_deg 1.56
x_bond_d 0.009
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5562
Nucleic Acid Atoms 0
Heterogen Atoms 97
Solvent Atoms 514


Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
X-PLOR 3.851 Structure Refinement
Software Name Purpose
X-PLOR version: 3.851 refinement
AMORE model building