X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 8.1
Temperature 298.0
Details 10MM MOPS, 100MM KCL, 10% GLYCEROL + 100MM TRISHCL, 100MM KCL, 10% GLYCEROL, 11% PEG 8000, AND 5MM DTT, pH 8.10, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 91.03 α = 96.88
b = 91.28 β = 97.18
c = 164.44 γ = 119.86
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 95
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 1999-06-25
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X12B -- NSLS X12B

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
2.6 30 91.1 0.052 -- -- 1.81 128142 128142 0.0 0.0 44.7
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)
2.6 2.64 87.9 0.22 -- -- 1.7 --

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 2.6 29.76 -- 0.0 121791 121791 6022 89.0 -- -- 0.238 0.268 SHELLS
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 2.6 2.64 -- 259 4710 0.409 0.435 0.027 72.9
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 61.6
Anisotropic B[1][1] -0.33
Anisotropic B[1][2] 4.27
Anisotropic B[1][3] 0.87
Anisotropic B[2][2] -0.5
Anisotropic B[2][3] 1.32
Anisotropic B[3][3] 0.83
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 2.72
c_scbond_it 1.73
c_mcangle_it 2.11
c_mcbond_it 1.25
c_improper_angle_d 0.77
c_bond_d 0.008
c_angle_deg 1.2
c_dihedral_angle_d 17.7
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.44
Luzzati Sigma A (Observed) 0.62
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.49
Luzzati Sigma A (R-Free Set) 0.64
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 29416
Nucleic Acid Atoms 0
Heterogen Atoms 192
Solvent Atoms 242

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CNS Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
CNS version: 1.0 refinement
CNS model building
SCALEPACK data reduction
DENZO data collection