X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop Macroseeding
pH 9.5
Details 52% MPD (2-METHYL-2,4-PENTANEDIOL) 0.1M ETHANOLAMINE-HCL PH 9.5 0.02% NA-AZIDE VAPOR DIFFUSION HANGING DROP METHOD WITH MACROSEEDING, vapor diffusion - hanging drop -macroseeding

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 106.32 α = 90
b = 90.14 β = 110.54
c = 70.14 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 278
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1994-09-24
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X31 -- EMBL/DESY, HAMBURG X31

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
1.86 40 99.7 0.058 -- -- -- -- 51879 -- -- 14.2
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)
1.86 1.94 99.3 0.214 -- 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
MIR, MOLECULAR REPLACEMENT USING TWO CRYSTAL FORMS 1.86 5.0 -- 2.0 -- 48665 4626 98.7 -- 0.191 0.191 0.208 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 1.86 1.97 -- 823 7189 0.244 0.264 0.009 97.7
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 24.9
RMS Deviations
Key Refinement Restraint Deviation
x_scangle_it 4.34
x_angle_deg 1.1
x_improper_angle_d 0.98
x_dihedral_angle_d 25.0
x_mcbond_it 1.61
x_bond_d 0.004
x_scbond_it 2.76
x_mcangle_it 2.7
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.2
Luzzati Sigma A (Observed) 0.18
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.2
Luzzati Sigma A (R-Free Set) 0.19
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3525
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 212

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
X-PLOR 3.851 Structure Solution
X-PLOR 3.851 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.851 refinement
SCALEPACK data reduction
DENZO data collection
X-PLOR version: 3.851 model building