X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 7.5
Temperature 291.0
Details PEG 4000 Hepes Glycerol Isopropanol, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 65.95 α = 90
b = 124.58 β = 90
c = 83.6 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR MARRESEARCH mirrors 2000-10-15
Diffraction Radiation
Monochromator Protocol
graphite SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 1.54 -- --

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
2.21 29.19 96.3 0.058 0.043 -- 3.8 17608 16961 -- -2.0 45.2
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)
2.21 2.26 85.2 0.619 0.456 1.9 1.5 719

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 2.21 29.19 -- 0.0 16961 15493 749 87.7 -- -- 0.236 0.273 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 2.21 2.31 1425 59 1366 0.418 0.419 0.055 66.3
X Ray Diffraction 2.31 2.43 1711 85 1626 0.367 0.368 0.04 77.6
X Ray Diffraction 2.43 2.58 1822 90 1732 0.326 0.329 0.035 84.3
X Ray Diffraction 2.58 2.78 1930 87 1843 0.289 0.293 0.031 87.7
X Ray Diffraction 2.78 3.06 2033 103 1930 0.261 0.262 0.026 92.2
X Ray Diffraction 3.06 3.5 2127 110 2017 0.249 0.246 0.023 96.0
X Ray Diffraction 3.5 4.41 2187 115 2072 0.214 0.211 0.02 97.8
X Ray Diffraction 4.41 29.19 2258 100 2158 0.193 0.197 0.02 97.2
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 62.97
Anisotropic B[1][1] 21.02
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -12.95
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -8.06
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.88
c_dihedral_angle_d 23.9
c_angle_deg 1.4
c_bond_d 0.008
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.35
Luzzati Sigma A (Observed) 0.5
Luzzati Resolution Cutoff (Low) 30.0
Luzzati ESD (R-Free Set) 0.4
Luzzati Sigma A (R-Free Set) 0.52
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1917
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 144

Software

Computing
Computing Package Purpose
HKL-2000 Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
Crystallography & NMR System version: 1.0 refinement