X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details HANGING DROP METHOD, 12 MG/ML PROTEIN IN 30 MM HEPES, PH 6.5, 0.05 % NAN3. PRECIPITANT 66% SAT. AMMONIUM SULFATE, 100MM TRIS-HCL PH 7.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 135.3 α = 90
b = 137.2 β = 90
c = 80.6 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH BENT MULTILAYER, SAGITALLY FOCUSING CRYSTAL 1998-05-15
Diffraction Radiation
Monochromator Protocol
DIAMOND C(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-3 -- ESRF ID14-3

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
1.35 17.4 83.7 0.075 0.075 -- 2.7 -- 141308 -- 0.0 --
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)
1.35 1.42 73.6 0.337 0.337 0.7 2.5 --

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
MOLECULAR REPLACEMENT 1.35 10.0 -- 0.0 -- 133305 6736 82.1 -- -- 0.12 0.152 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 17.2
RMS Deviations
Key Refinement Restraint Deviation
p_transverse_tor 26.4
p_staggered_tor 11.7
p_planar_tor 9.6
p_xyhbond_nbd 0.169
p_multtor_nbd 0.322
p_bond_d 0.024
p_angle_d 0.04
p_planar_d 0.05
p_mcbond_it 2.8
p_mcangle_it 3.7
p_scbond_it 3.6
p_scangle_it 4.5
p_chiral_restr 0.197
p_singtor_nbd 0.171
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4016
Nucleic Acid Atoms 0
Heterogen Atoms 328
Solvent Atoms 791

Software

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