X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 277.0
Details HANGING DROP METHOD AT 4 C BY MIXING 5 MICRLITER PROTEIN AT 10- 15MG PER ML WITH 5 MICROLITER 30-36% PEG8000 SOLUTION CONTAINING 5MM TRIS-HCL BUFFER, PH 6.5-7.5 AND 100MM NACL., vapor diffusion - hanging drop, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 43.25 α = 90
b = 50.65 β = 107.79
c = 54.6 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR XUONG-HAMLIN MULTIWIRE CU KA RADIATION 1990-09
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH2R -- -- --

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
1.92 20 92.5 0.048 -- -- 3.5 -- 16127 -- 0.0 20.5
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)
1.92 2.06 60.0 0.193 -- 2.5 1.6 --

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 1.92 8.0 -- 2.0 -- 15329 -- 92.9 -- 0.169 0.169 0.257 --
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 1.92 2.01 -- -- 738 0.248 0.298 -- 46.8
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 25.9
RMS Deviations
Key Refinement Restraint Deviation
x_scbond_it 2.66
x_mcbond_it 1.36
x_improper_angle_d 1.73
x_bond_d 0.007
x_angle_deg 1.02
x_dihedral_angle_d 27.2
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1916
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 163

Software

Computing
Computing Package Purpose
HAMLIN Data Reduction (intensity integration)
HAMLIN Data Reduction (data scaling)
X-PLOR 3.1 Structure Solution
X-PLOR 3.1 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.1 refinement
X-PLOR version: 3.1 model building
SAME version: AS ABOVE data reduction
SOFTWARE version: FROM HAMLIN MULTIWIRE AREA DETECTOR data collection