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 ammonium sulphate, 1,6 hexane diol, HEPES, water, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 301K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 76.21 α = 90
b = 55.51 β = 98.88
c = 108 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
IMAGE PLATE RIGAKU RAXIS IV mirrors 2001-08-17
Diffraction Radiation
Monochromator Protocol
YALE MIRRORS SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU 1.5418 -- --

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 50 94.0 0.068 0.049 -- 9.5 52492 49421 -- 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)
2.1 2.14 87.4 0.559 0.49 2.02 4.67 2309

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 50.0 -- 0.0 -- 49333 3159 93.9 -- -- 0.2168 0.2671 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 2.1 2.18 4404 248 -- 0.2979 0.3361 -- 9.4
X Ray Diffraction 2.18 2.26 4442 236 -- 0.2637 0.3155 -- 9.47
X Ray Diffraction 2.26 2.37 4458 233 -- 0.2421 0.2961 -- 9.51
X Ray Diffraction 2.37 2.49 4429 225 -- 0.25 0.3236 -- 9.51
X Ray Diffraction 2.49 2.65 4526 235 -- 0.2336 0.2991 -- 9.66
X Ray Diffraction 2.65 2.85 4659 227 -- 0.2105 0.2592 -- 9.94
X Ray Diffraction 2.85 3.14 4840 255 -- 0.2294 0.2835 -- 10.33
X Ray Diffraction 3.14 3.59 4962 266 -- 0.2186 0.2684 -- 10.59
X Ray Diffraction 3.59 4.52 5023 273 -- 0.1836 0.2285 -- 10.72
X Ray Diffraction 4.52 50.0 5120 272 -- 0.2066 0.2508 -- 10.92
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Isotropic
Mean Isotropic B 46.2
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 2.438
c_scbond_it 1.645
c_mcangle_it 1.683
c_mcbond_it 1.042
c_angle_d 1.13241
c_bond_d 0.006106
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.27
Luzzati Sigma A (Observed) 0.26
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.34
Luzzati Sigma A (R-Free Set) 0.32
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7055
Nucleic Acid Atoms 0
Heterogen Atoms 24
Solvent Atoms 450

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