X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 0.1M HEPES PH 7.5, 1.4M SODIUM CITRATE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 68.58 α = 90
b = 67.19 β = 119.86
c = 68.64 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 120
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MAR345 MARRESEARCH -- 2001-02-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM1A -- ESRF BM1A

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
1.9 12 98.7 0.096 -- -- 3.3 -- 42162 -- 0.0 19.45
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)
1.9 2.0 97.5 0.522 -- 2.0 2.9 --

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 1.9 12.0 -- 0.0 -- 42162 2112 98.7 -- 0.1861 0.1861 0.2057 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 1.9 1.97 -- 182 3955 0.2586 0.2801 0.0207 96.88
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 22.4043
Anisotropic B[1][1] 1.623
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 2.017
Anisotropic B[2][2] -3.129
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 1.506
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 3.184
c_scbond_it 2.125
c_mcangle_it 2.003
c_mcbond_it 1.291
c_improper_angle_d 0.832
c_bond_d 0.005
c_angle_deg 1.189
c_dihedral_angle_d 22.207
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.19
Luzzati Sigma A (Observed) 0.21
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.22
Luzzati Sigma A (R-Free Set) 0.23
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3574
Nucleic Acid Atoms 0
Heterogen Atoms 14
Solvent Atoms 343

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
CNS Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
CNS version: 1.0 refinement
CNS model building