X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.5
Details pH 8.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 75.58 α = 86.23
b = 81.06 β = 81.86
c = 90.53 γ = 63.92
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 200
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU MIRRORS 1998-02
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X25 -- NSLS X25

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
2.6 30 98.0 -- 0.08 -- 3.5 -- 57740 -- 0.0 --
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)
2.6 2.69 97.7 -- 0.24 6.0 3.5 --

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
MIR 2.6 30.0 -- 2.0 -- 57740 5883 98.4 -- 0.249 0.249 0.269 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 2.6 2.62 -- 126 1138 0.3448 0.3114 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 37.29
Anisotropic B[1][1] -4.616
Anisotropic B[1][2] 3.262
Anisotropic B[1][3] 4.942
Anisotropic B[2][2] -2.271
Anisotropic B[2][3] 1.013
Anisotropic B[3][3] 6.887
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.66
c_bond_d 0.011
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 13732
Nucleic Acid Atoms 0
Heterogen Atoms 20
Solvent Atoms 88

Software

Software
Software Name Purpose
CCP4 model building
CNS refinement version: 0.3C
DENZO data reduction
SCALEPACK data scaling
CCP4 phasing