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_bond_d 0.011
c_angle_deg 1.66
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

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CCP4 Structure Solution
CNS 0.3C Structure Refinement
Software
Software Name Purpose
CNS version: 0.3C refinement
CCP4 model building