X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 7.5
Temperature 301.0
Details ammomium sulphate, 1-6 hexanediol, HEPES, water, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 301K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 61.44 α = 90
b = 54.42 β = 99.23
c = 71 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 119
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2002-10-14
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS BEAMLINE 5.0.2 1.000 ALS 5.0.2

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
1.58 50 99.3 0.051 0.032 -- 9.1 63534 63101 -- 2.0 --
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)
1.58 1.64 94.2 0.041 0.031 2.14 4.2 5750

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 1.58 50.0 -- 0.0 63534 63101 3185 94.3 -- -- 0.205 0.222 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 1.58 1.64 5750 319 -- 0.3152 0.3242 -- 9.11
X Ray Diffraction 1.64 1.7 6023 307 -- 0.285 0.3175 -- 9.55
X Ray Diffraction 1.7 1.78 6014 299 -- 0.26 0.2758 -- 9.53
X Ray Diffraction 1.78 1.87 6010 323 -- 0.2457 0.2567 -- 9.52
X Ray Diffraction 1.87 1.99 6011 300 -- 0.2274 0.2466 -- 9.53
X Ray Diffraction 1.99 2.14 6006 328 -- 0.2245 0.2481 -- 9.52
X Ray Diffraction 2.14 2.36 6065 315 -- 0.2076 0.2133 -- 9.61
X Ray Diffraction 2.36 2.7 6025 300 -- 0.206 0.2344 -- 9.55
X Ray Diffraction 2.7 3.4 6040 361 -- 0.1917 0.2229 -- 9.57
X Ray Diffraction 3.4 50.0 5972 333 -- 0.1754 0.1852 -- 9.46
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model isotropic
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.2
c_bond_d 0.007
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.206
Luzzati Sigma A (Observed) 0.191
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.34
Luzzati Sigma A (R-Free Set) 0.29
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3484
Nucleic Acid Atoms 0
Heterogen Atoms 90
Solvent Atoms 448

Software

Computing
Computing Package Purpose
HKL-2000 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
HKL-2000 data collection