X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.5
Details 0.1M NAOAC PH 4.6, 25% PEG 4K, 1 MM PB(II)OAC, 10-12 MG/ML PROTEIN.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 128.39 α = 90
b = 44.85 β = 124.54
c = 78.14 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 110
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC DUAL CRYSTAL MIRROR 1999-03-15
Diffraction Radiation
Monochromator Protocol
SI(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL1-5 -- SSRL BL1-5

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
1.95 25 99.4 -- 0.082 -- 3.3 -- 34905 -- -- 29.68
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)
1.95 2.01 99.2 0.47 -- 1.5 3.2 --

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 1.95 25.0 -- 0.0 -- 26771 2699 92.2 -- -- 0.205 0.255 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 37.4
RMS Deviations
Key Refinement Restraint Deviation
p_special_tor 0.0
p_transverse_tor 31.7
p_staggered_tor 18.1
p_planar_tor 8.4
p_xyhbond_nbd 0.125
p_multtor_nbd 0.261
p_bond_d 0.016
p_angle_d 0.038
p_planar_d 0.069
p_mcbond_it 1.8
p_mcangle_it 2.7
p_scbond_it 2.2
p_scangle_it 3.4
p_plane_restr 0.03
p_chiral_restr 0.15
p_singtor_nbd 0.185
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2070
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 288

Software

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