X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details pH 6.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 81.61 α = 90
b = 127.24 β = 90
c = 62.99 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD PRINCETON 2K -- 1998-04
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM14 0.8855, 0.9310 ESRF BM14

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
1.75 24.15 80.2 0.055 -- -- 3.0 -- 205040 -- -- 31.43
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)
1.75 1.78 66.4 0.368 -- 2.9 1.0 --

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 1.75 24.15 -- 0.0 -- 53298 2663 80.2 -- -- 0.234 0.279 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 41.8
RMS Deviations
Key Refinement Restraint Deviation
p_transverse_tor 26.4
p_staggered_tor 18.3
p_planar_tor 3.8
p_xyhbond_nbd 0.187
p_multtor_nbd 0.252
p_bond_d 0.016
p_angle_d 0.033
p_planar_d 0.036
p_mcbond_it 1.859
p_mcangle_it 2.832
p_scbond_it 2.272
p_scangle_it 3.321
p_chiral_restr 0.156
p_singtor_nbd 0.183
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3840
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 426

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK, CCP4 (AGROVATA) Data Reduction (data scaling)
RSPS, REVISE, RANTAN, ML-PHARE Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
ML-PHARE model building
RANTAN model building
REVISE model building
RSPS model building