X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 9
Temperature 291.0
Details PEG 8000, Bicine, NaCl, glycerol as cryo protectant, pH 9.00, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 50.85 α = 90
b = 82.48 β = 90
c = 110.71 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2001-06-17
Diffraction Radiation
Monochromator Protocol
NULL SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 0.9393 ESRF ID14-4

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
1.09 19.1 96.7 0.091 -- -- 4.7 187545 187545 0.0 0.0 5.8
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)
1.09 1.12 96.8 0.376 -- 2.9 2.9 12377

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
MOLECULAR REPLACEMENT 1.09 19.1 -- 0.0 181945 181945 5660 96.8 0.12349 0.12349 0.12275 0.14755 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 1.09 1.13 13307 381 -- 0.17 0.17 -- 96.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model anisotropic temperature factors
Mean Isotropic B 11.517
Anisotropic B[1][1] -0.21
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.38
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.59
RMS Deviations
Key Refinement Restraint Deviation
p_angle_deg 2.262
p_scangle_it 3.906
p_scbond_it 2.91
p_mcangle_it 2.678
p_mcbond_it 1.961
p_bond_d 0.022
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3155
Nucleic Acid Atoms 0
Heterogen Atoms 12
Solvent Atoms 959

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
AMORE model building
SCALEPACK data reduction
DENZO data collection