X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 4.6
Temperature 293.0
Details Sodium formate Acetate buffer, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 99.2 α = 90
b = 99.2 β = 90
c = 175 γ = 120
Symmetry
Space Group P 61 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 288
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE WEISSENBERG -- 1998-05-17
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
2.1 40 99.9 0.037 -- -- 6.6 30407 30407 0.0 1.0 24.9
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)
2.1 2.21 99.9 0.207 -- -- 5.1 --

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
-- 2.1 40.0 1.0 2.0 30407 29633 2952 97.4 0.192 0.188 0.183 0.228 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
x_angle_deg 1.257
x_bond_d 0.007
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2976
Nucleic Acid Atoms 0
Heterogen Atoms 53
Solvent Atoms 120

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
MLPHARE Structure Solution
X-PLOR 3.851 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.851 refinement
MLPHARE model building