X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.8
Details CRYSTALS WERE GROWN AT 4C FROM 50 MM MGCL2, 14-17 % PEG3350 AND 50-100 MM TRIS/CL PH 7.8 - 8.6.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 71.77 α = 90
b = 65.67 β = 103.88
c = 110.5 γ = 90
Symmetry
Space Group P 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH SAGITALLY FOCUSING GE(220 2000-09-15
Diffraction Radiation
Monochromator Protocol
DIAMOND (111), GE(220) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-1 -- ESRF ID14-1

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
1.8 33.15 97.6 0.057 -- -- 1.9 -- 92677 -- 1.5 23.0
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)
1.8 1.9 96.8 0.251 -- 2.7 1.9 --

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 1.8 33.15 -- 0.0 -- 92677 4504 97.6 -- -- 0.209 0.267 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 32.8
RMS Deviations
Key Refinement Restraint Deviation
p_special_tor 15.0
p_transverse_tor 19.4
p_staggered_tor 17.7
p_planar_tor 9.9
p_xyhbond_nbd 0.165
p_multtor_nbd 0.261
p_bond_d 0.018
p_angle_d 0.039
p_planar_d 0.077
p_mcbond_it 1.88
p_mcangle_it 2.54
p_scbond_it 2.51
p_scangle_it 3.7
p_chiral_restr 0.029
p_singtor_nbd 0.184
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7246
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 633

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
MOLREP Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
MOLREP model building