X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.9
Details SEE REFERENCE 2, pH 7.90

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 132.3 α = 90
b = 191.1 β = 90
c = 125.1 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1997-04-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM14 -- ESRF BM14

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
2.43 15 98.6 0.053 -- -- 3.8 -- 117904 -- -- --
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)
2.43 2.49 93.1 0.244 -- 2.9 3.2 --

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
SIRAS 2.43 20.0 -- 0.0 -- 117862 5908 98.6 -- 0.206 0.206 0.234 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 35.4
Anisotropic B[1][1] -3.66
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -4.26
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 7.93
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 4.94
c_scbond_it 2.155
c_mcangle_it 3.507
c_mcbond_it 1.305
c_bond_d 0.006
c_angle_deg 1.286
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 14988
Nucleic Acid Atoms 0
Heterogen Atoms 4
Solvent Atoms 738

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
RSPS, MLPHARE, DM Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
DM model building
MLPHARE model building
RSPS model building