X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 6.5
Temperature 279.0
Details 0.01M zinc sulfate, 0.1M MES, 25% PEG MME 550, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 279K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 47.19 α = 90
b = 45.01 β = 100.75
c = 57.82 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 MARRESEARCH -- 2005-02-10
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X9A 0.9796 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
1.8 30 99.4 0.1 0.1 -- 3.3 22415 22291 0.0 -3.0 14.4
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)
1.8 1.86 99.1 0.5 0.5 3.0 3.5 2201

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 1.8 19.87 0.0 0.0 22425 22125 1126 99.2 -- 0.171 0.171 0.231 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 1.8 1.91 3436 187 3436 0.236 0.285 0.021 98.5
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 20.8
Anisotropic B[1][1] 2.93
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 3.45
Anisotropic B[2][2] -0.96
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.97
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 1.11
c_dihedral_angle_d 22.5
c_bond_d 0.013
c_angle_deg 1.9
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.17
Luzzati Sigma A (Observed) 0.13
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.24
Luzzati Sigma A (R-Free Set) 0.16
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2039
Nucleic Acid Atoms 0
Heterogen Atoms 26
Solvent Atoms 376

Software

Software
Software Name Purpose
CNS refinement version: 1.1
MAR345 data collection
SCALEPACK data scaling
PHASER phasing