X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 6
Temperature 294.0
Details 20mM HEPES, pH 7.5, 32% PEG 1000, 01M MES, 10 uM ZnCl2, pH 6.0, VAPOR DIFFUSION, SITTING DROP at 294K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 41.8 α = 92.8
b = 44.2 β = 95.3
c = 58.5 γ = 98
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR SIEMENS -- 1990-12-10
Diffraction Radiation
Monochromator Protocol
graphite SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE SIEMENS 1.5418 -- --

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
2.5 50 73.8 0.09 0.09 -- 2.0 10643 10643 -- 2.0 26.0
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)
2.5 2.66 73.8 0.23 0.23 2.5 1.8 1400

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 2.5 50.0 0.0 0.0 10643 10526 1082 73.8 0.159 0.159 0.165 0.228 random
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model restrained
Mean Isotropic B 26.7
RMS Deviations
Key Refinement Restraint Deviation
c_dihedral_angle_d 24.1
c_improper_angle_d 0.87
c_bond_d 0.009
c_angle_deg 1.5
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.24
Luzzati Sigma A (Observed) 0.29
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.34
Luzzati Sigma A (R-Free Set) 0.4
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3486
Nucleic Acid Atoms 0
Heterogen Atoms 52
Solvent Atoms 84

Software

Software
Software Name Purpose
XENGEN data collection
XENGEN data reduction
AMoRE phasing
CNS refinement
XENGEN data scaling