X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.1
Temperature 289.0
Details PEG 8000, MES, manganese chloride, glycerol, pH 6.1, VAPOR DIFFUSION, HANGING DROP, temperature 289K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 40.66 α = 90
b = 90.82 β = 94.06
c = 76.98 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2001-10-14
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X9A 0.98 NSLS X9A

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 30 97.0 0.058 -- -- 2.97 36740 36740 0.0 0.0 7.9
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)
2.0 2.07 87.6 0.256 -- -- 2.48 3295

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 2.0 21.72 0.0 0.0 36698 36698 1471 97.2 -- 0.197 0.197 0.234 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 2.0 2.13 -- 235 5596 0.251 0.28 0.018 93.1
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 20.6
Anisotropic B[1][1] 3.44
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 3.56
Anisotropic B[2][2] -3.75
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.31
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.9
c_dihedral_angle_d 26.9
c_mcbond_it 1.89
c_scbond_it 3.15
c_scangle_it 4.31
c_mcangle_it 2.87
c_bond_d 0.008
c_angle_deg 1.6
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.23
Luzzati Sigma A (Observed) 0.2
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.27
Luzzati Sigma A (R-Free Set) 0.23
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4600
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 330

Software

Software
Software Name Purpose
CNS refinement version: 1.0
HKL-2000 data reduction
SCALEPACK data scaling
CNS phasing