X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.2
Details SEE REFERENCE 2, pH 5.2

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 120.52 α = 90
b = 105.96 β = 94.94
c = 80.19 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH MIRRORS 1997-07-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X11 -- EMBL/DESY, Hamburg X11

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
2.9 25 82.3 0.078 -- -- 2.7 -- 18504 -- 0.0 --
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)
2.9 3.03 43.6 0.215 -- 5.7 -- --

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 2.9 10.0 -- 0.0 -- 18113 530 83.2 -- 0.256 0.256 0.299 SPHERICAL SHELLS
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 2.9 3.03 -- 34 1027 0.214 0.297 -- 43.6
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 58.2
Anisotropic B[1][1] 10.6
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 24.1
Anisotropic B[2][2] 36.4
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -101.3
RMS Deviations
Key Refinement Restraint Deviation
x_dihedral_angle_d 19.43
x_angle_deg 1.252
x_mcangle_it 2.202
x_bond_d 0.009
x_scangle_it 2.342
x_scbond_it 1.622
x_improper_angle_d 1.191
x_mcbond_it 1.284
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5296
Nucleic Acid Atoms 0
Heterogen Atoms 376
Solvent Atoms 0

Software

Software
Software Name Purpose
X-PLOR model building
X-PLOR refinement version: 3.851
DENZO data reduction
CCP4 data scaling version: (SCALA)
X-PLOR phasing