X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8
Temperature 277.0
Details 3 + 3 UL HANGING DROPS AT 277K PROTEIN SOLUTION: 20 MG/ML PROTEIN, 10 MM TRIS-HCL, PH 8.0, 140 MM NACL, 20 MM DAMP, 0.02 % NA-AZIDE. RESERVOIR SOLUTION: 100 MM BIS-TRIS PROPANE- HCL PH 8.0, 20 MM CALCIUM CHLORIDE, 12-14 % (W/V) POLYETHYLENEGLYCOL 4000., vapor diffusion - hanging drop

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 190.03 α = 90
b = 190.03 β = 90
c = 119.74 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 277
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1996-07
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX9.6 -- SRS PX9.6

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
2.8 30 98.0 0.085 -- -- 6.9 -- 366263 -- -- 62.0
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)
2.8 2.9 97.5 0.443 -- 1.4 6.9 --

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 2.8 8.0 -- 0.0 -- 48167 2478 97.7 -- 0.232 0.232 0.252 THIN RESOLUTION 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 2.8 2.92 -- 354 5891 0.454 0.432 -- 97.6
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model SEE REMARKS
Mean Isotropic B 50.0
Anisotropic B[1][1] 16.2
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 16.2
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -32.5
RMS Deviations
Key Refinement Restraint Deviation
x_bond_d 0.009
x_angle_deg 1.6
Coordinate Error
Parameter Value
Luzzati Sigma A (Observed) 0.51
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8245
Nucleic Acid Atoms 0
Heterogen Atoms 120
Solvent Atoms 0

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 Data Reduction (data scaling)
X-PLOR 3.1 Structure Solution
X-PLOR 3.1 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.1 refinement
X-PLOR version: 3.1 model building
CCP4 data reduction
MOSFLM data collection