X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Temperature 294.0
Details Sodium, Potassium Tartrate, Hepes, DTT, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 81.49 α = 90
b = 81.49 β = 90
c = 104.71 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD BRANDEIS - B2 -- 2002-11-11
Diffraction Radiation
Monochromator Protocol
Si-double crystal SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X12C 0.97904 NSLS X12C

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 29.9 95.1 -- 0.047 -- 12.0 20187 20180 0.0 0.0 29.7
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)
2.1 2.14 76.7 -- 0.225 3.59 -- 798

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 20.0 -- 2.0 20155 19984 966 94.2 0.23 0.229 0.226 0.267 5% data
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 2.1 2.14 759 30 -- 0.2882 0.3249 -- --
X Ray Diffraction 2.38 2.45 1013 42 -- 0.2486 0.2425 -- --
X Ray Diffraction 2.69 2.8 1020 63 -- 0.2372 0.254 -- --
X Ray Diffraction 3.08 3.27 1055 42 -- 0.2451 0.2708 -- --
X Ray Diffraction 3.88 4.43 1073 52 -- 0.1929 0.2231 -- --
X Ray Diffraction 5.57 20.0 1156 76 -- 0.2112 0.2584 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model anisotropic
Mean Isotropic B 42.86
Anisotropic B[1][1] 3.568
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 3.568
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -7.136
RMS Deviations
Key Refinement Restraint Deviation
c_dihedral_angle_d 18.916
c_improper_angle_d 0.746
c_angle_d 1.078
c_bond_d 0.006
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1920
Nucleic Acid Atoms 0
Heterogen Atoms 16
Solvent Atoms 138

Software

Computing
Computing Package Purpose
HKL-2000 Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
MOLREP Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
CNS version: 1.0 refinement
MOLREP model building
SCALEPACK data reduction
HKL-2000 data collection