X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Details CONVENTIONAL VAPOR DIFFUSION OF HANGING DROP. 3M OF AMMONIUM SULFATE BUFFERED WITH 0.2 TRIS BUFFER AT PH7.5 IN RESERVOIR. DROPS MADE OF 6 MICROLITERS OF PROTEIN SOLUTION (6.2 MG/ML) AND EQUAL VOLUME OF RESERVOIR SOLUTION., vapor diffusion - hanging drop

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 31.95 α = 90
b = 43.78 β = 90
c = 78.81 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 300
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR ENRAF-NONIUS FAST -- 1992-02
Diffraction Radiation
Monochromator Protocol
Y --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU -- -- --

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
2.05 30 -- 0.051 -- -- 2.45 -- 7076 -- 3.0 14.1
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)
2.05 2.14 80.02 -- -- -- -- --

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 2.05 6.0 -- 2.0 -- 7076 770 95.8 -- 0.17 0.17 0.241 --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 12.65
RMS Deviations
Key Refinement Restraint Deviation
x_bond_d 0.01
x_angle_deg 2.59
x_improper_angle_d 0.91
x_dihedral_angle_d 25.8
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.25
Luzzati Resolution Cutoff (Low) 10.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 951
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 114

Software

Computing
Computing Package Purpose
MADNES Data Reduction (intensity integration)
CCP4 Data Reduction (data scaling)
X-PLOR 3.1 Structure Solution
X-PLOR 3.1 Structure Refinement
Software
Software Name Purpose
MADNES data collection
CCP4 data reduction
X-PLOR version: 3.1 refinement
X-PLOR version: 3.1 model building