X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 298.0
Details PEG 6000, calcium acetate, sodium cacodylate, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 81.33 α = 90
b = 85.03 β = 90
c = 78.82 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE WEISSENBERG -- 1998-02-20
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON PHOTON FACTORY BEAMLINE BL-18B -- PHOTON FACTORY BL-18B

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
1.7 58.77 92.4 0.066 -- -- 10.5 -- 28095 -- 1.0 --
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)
1.7 1.77 78.1 0.253 -- -- 3.46 --

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 1.7 5.0 -- -- 26798 -- -- 90.7 -- 0.191 -- -- --
RMS Deviations
Key Refinement Restraint Deviation
s_similar_adp_cmpnt 0.044
s_anti_bump_dis_restr 0.008
s_non_zero_chiral_vol 0.046
s_zero_chiral_vol 0.036
s_from_restr_planes 0.026
s_angle_d 0.024
s_bond_d 0.007
Coordinate Error
Parameter Value
Occupancy Sum Hydrogen 0.0
Occupancy Sum Non Hydrogen 2028.5
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1890
Nucleic Acid Atoms 0
Heterogen Atoms 27
Solvent Atoms 111

Software

Computing
Computing Package Purpose
WEIS Data Reduction (intensity integration)
WEIS Data Reduction (data scaling)
X-PLOR Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement
X-PLOR model building