X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.6
Details pH 4.6

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 25.32 α = 90
b = 54.73 β = 111.15
c = 30.68 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR SIEMENS -- 1993-12-03
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
-- -- -- -- --

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
2.3 10 86.02 0.041 -- -- 1.87 -- 3175 -- -- --
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)
2.265 2.362 32.4 0.247 -- 3.146 1.13 --

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 2.3 10.0 -- 4.0 -- 2705 -- 73.29 -- -- 0.197 0.304 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 29.12
RMS Deviations
Key Refinement Restraint Deviation
p_transverse_tor 28.1
p_staggered_tor 26.3
p_planar_tor 2.5
p_xyhbond_nbd 0.287
p_multtor_nbd 0.37
p_bond_d 0.012
p_angle_d 0.047
p_planar_d 0.048
p_mcbond_it 1.103
p_mcangle_it 1.91
p_scbond_it 3.9
p_scangle_it 4.7
p_plane_restr 0.012
p_chiral_restr 0.125
p_singtor_nbd 0.239
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1001
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 46

Software

Computing
Computing Package Purpose
XENGEN Data Reduction (intensity integration)
XENGEN Data Reduction (data scaling)
X-PLOR Structure Solution
PROLSQ, X-PLOR Structure Refinement
Software
Software Name Purpose
X-PLOR refinement
PROLSQ refinement
X-PLOR model building
XENGEN data reduction
XENGEN data collection