X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.2
Details 25% PEG 1450, 25 MM MES PH 6.2

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 42.7 α = 90
b = 55.5 β = 90
c = 130.4 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 130
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IIC YALE MIRRORS 1997-06
Diffraction Radiation
Monochromator Protocol
YALE MIRRORS --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 -- -- --

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 20 79.9 -- 0.034 -- 2.3 -- 23142 -- -2.0 --
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)
1.9 1.97 63.8 -- 0.258 3.1 1.9 --

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
ISOMORPHOUS MOLECULAR REPLACEMENT 1.9 20.0 -- 0.0 -- 9890 1079 78.5 -- 0.21 0.21 0.259 BASED
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 1.99 -- 119 773 0.33 0.323 0.03 58.2
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED INDIVIDUAL
Mean Isotropic B 31.9
Anisotropic B[1][1] 0.729
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 9.654
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 4.526
RMS Deviations
Key Refinement Restraint Deviation
x_scangle_it 2.385
x_scbond_it 1.395
x_mcangle_it 1.449
x_mcbond_it 0.82
x_improper_angle_d 1.4
x_bond_d 0.006
x_angle_deg 1.14
x_dihedral_angle_d 19.8
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 708
Nucleic Acid Atoms 445
Heterogen Atoms 3
Solvent Atoms 121

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
X-PLOR Structure Solution
X-PLOR 3.8 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.8 refinement
X-PLOR model building