X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.2
Temperature 293.0
Details 35% MPD, 0.1M Na/k phosphate, pH 6.2, VAPOR DIFFUSION, SITTING DROP, temperature 293K, pH 6.20

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 105.73 α = 90
b = 105.73 β = 90
c = 135.79 γ = 90
Symmetry
Space Group I 4 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2001-05-29
Diffraction Radiation
Monochromator Protocol
DOUBLE CRYSTAL MONOCHROMATOR MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-2 -- SSRL BL9-2

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
1.5 20 99.4 -- 0.044 -- 4.5 -- 61417 -- 0.0 15.0
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)
1.5 1.54 100.0 -- 0.234 2.8 4.5 --

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
MAD 1.5 20.0 -- 2.0 61525 61064 3082 -- -- 0.173 0.173 0.189 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 16.1
Anisotropic B[1][1] 0.396
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.396
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.793
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.005
c_angle_deg 1.18
c_mcangle_it 1.518
c_scangle_it 3.13
c_mcbond_it 1.024
c_scbond_it 2.158
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.17
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2792
Nucleic Acid Atoms 0
Heterogen Atoms 10
Solvent Atoms 227

Software

Software
Software Name Purpose
MOSFLM data reduction
SCALA/CCP4 data reduction
RESOLVE model building
SOLVE phasing
CNS refinement
CCP4 data scaling version: (SCALA)
RESOLVE/SOLVE phasing