X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6
Temperature 289.0
Details PEG1500, MES, DTT, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 289K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 45.39 α = 88.36
b = 60.54 β = 70.39
c = 61.83 γ = 72.37
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 110
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1998-07-19
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X8C 0.971270, 0.978947, 0.978838 NSLS X8C

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 20 97.9 -- 0.02 -- -- -- 22522 -- -- --

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 -- 22522 1125 97.9 -- 0.17365 0.1699 0.24572 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 12.409
Anisotropic B[1][1] -0.18
Anisotropic B[1][2] 0.06
Anisotropic B[1][3] 0.09
Anisotropic B[2][2] 0.25
Anisotropic B[2][3] -0.57
Anisotropic B[3][3] -0.12
RMS Deviations
Key Refinement Restraint Deviation
p_scangle_it 6.515
p_scbond_it 4.443
p_mcangle_it 2.466
p_mcbond_it 1.438
p_bond_d 0.035
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4721
Nucleic Acid Atoms 0
Heterogen Atoms 34
Solvent Atoms 145

Software

Computing
Computing Package Purpose
MAR Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SHARP Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
SHARP model building