X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8
Details pH 8.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 112.3 α = 90
b = 127.6 β = 90
c = 135.7 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU -- 1997-11
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X4A 0.9792,0.9789,0.9686,0.9871,1.6024 NSLS X4A
SYNCHROTRON NSLS BEAMLINE X12B -- NSLS X12B

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 30 97.9 0.056 -- -- 5.6 -- 72601 -- -3.0 --
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)
2.39 2.48 87.8 0.22 -- 2.1 -- --

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
MAD 2.4 20.0 -- 0.0 -- 37167 1782 96.9 -- -- 0.2362 0.282 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Anisotropic B[1][1] 12.62
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -30.4
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 17.87
RMS Deviations
Key Refinement Restraint Deviation
x_angle_deg 3.292
x_bond_d 0.019
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5300
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 214

Software

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