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 = 26.57 α = 90
b = 56.03 β = 112.2
c = 31.34 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 -- 1992-10-02
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
2.1 10 85.99 0.038 -- -- 1.62 -- 4569 -- -- --
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)
2.061 2.144 41.7 0.097 -- 11.76 1.31 --

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 2.1 10.0 -- 4.0 -- 4417 -- 83.13 -- -- 0.188 0.265 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 22.99
RMS Deviations
Key Refinement Restraint Deviation
p_transverse_tor 11.1
p_staggered_tor 23.8
p_planar_tor 2.0
p_xyhbond_nbd 0.281
p_multtor_nbd 0.353
p_bond_d 0.011
p_angle_d 0.04
p_planar_d 0.041
p_mcbond_it 1.003
p_mcangle_it 1.75
p_scbond_it 0.872
p_scangle_it 1.472
p_plane_restr 0.008
p_chiral_restr 0.114
p_singtor_nbd 0.201
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.12
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1001
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 105

Software

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