X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 5.5
Temperature 298.0
Details 25% PEG 3350, 0.1M Bis-Tris, 0.2M Lithium sulfate monohydrate, pH 5.5, VAPOR DIFFUSION, SITTING DROP, temperature 298.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 41.97 α = 90
b = 148.25 β = 90
c = 149.26 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315 MIRRORS 2009-11-07
Diffraction Radiation
Monochromator Protocol
SI(III) CHANNEL SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X29A 0.979 NSLS X29A

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
2.06 41.31 99.9 0.13 -- -- 13.0 58467 58467 0.0 0.0 26.9
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)
2.06 2.13 99.4 0.236 -- 2.5 10.9 5708

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
SAD 2.06 41.31 -- 0.0 58467 57836 2925 98.7 -- 0.221 0.221 0.262 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 2.06 2.19 5708 459 8642 0.221 0.275 0.013 94.4
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 23.0
Anisotropic B[1][1] 2.18
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -5.17
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 2.99
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.006
c_angle_deg 1.2
c_improper_angle_d 0.78
c_dihedral_angle_d 22.1
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.24
Luzzati Sigma A (Observed) 0.09
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.3
Luzzati Sigma A (R-Free Set) 0.16
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7404
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 382

Software

Software
Software Name Purpose
CNS refinement version: 1.1
CBASS data collection
HKL-2000 data reduction
HKL-2000 data scaling
SHELXD phasing
SHARP phasing
ARP/wARP model building