X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.2
Details 22.5% PEG 3350, 500MM NACL, 25 MM MES PH 6.2, VAPOR DIFFUSION, HANGING DROP

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 43.2 α = 90
b = 56.3 β = 90
c = 133.8 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 1995-07-15
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
1.6 20 96.4 -- 0.049 -- 2.1 -- 21212 -- -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)
1.6 1.66 89.9 -- 0.109 9.2 1.7 --

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
ISOMORPHOUS MOLECULAR REPLACEMENT 1.6 20.0 -- 0.0 -- 21186 2418 96.4 -- 0.191 0.191 0.216 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 1.6 1.67 -- 295 2146 0.215 0.215 0.01 90.4
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED INDIVIDUAL
Mean Isotropic B 14.8
Anisotropic B[1][1] -2.53
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 2.0
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 2.372
RMS Deviations
Key Refinement Restraint Deviation
x_scangle_it 2.167
x_scbond_it 1.468
x_mcangle_it 1.294
x_mcbond_it 0.826
x_improper_angle_d 1.45
x_bond_d 0.004
x_angle_deg 1.06
x_dihedral_angle_d 18.8
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 708
Nucleic Acid Atoms 445
Heterogen Atoms 3
Solvent Atoms 255

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
X-PLOR Structure Solution
X-PLOR 3.843 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.843 refinement
X-PLOR model building