X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 296.0
Details PEG 400, sodium chloride, magnesium chloride, tris, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 296.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 57.61 α = 90
b = 60.09 β = 90.79
c = 73.43 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 mirrors 2001-04-23
Diffraction Radiation
Monochromator Protocol
SAGITALLY FOCUSED Si(111) MAD
SAGITALLY FOCUSED Si(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X8C 0.919997, 0.916998, 0.919781 NSLS X8C
SYNCHROTRON NSLS BEAMLINE X8C 0.97950 NSLS X8C

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
1.5 50 97.3 0.037 0.029 -- 5.9 80828 80828 0.0 -- --
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)
1.5 1.55 94.5 0.265 0.253 6.7 5.5 437

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
MAD 1.5 31.15 -- 0.0 80330 76420 6207 87.4 0.237 -- 0.234 0.254 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 1.5 1.59 10924 -- -- 0.314 0.294 0.01 89.6
Temperature Factor Modeling
Temperature Factor Value
Anisotropic B[1][1] 1.25
Anisotropic B[1][2] -1.36
Anisotropic B[1][3] 0.12
Anisotropic B[2][2] 0.0
Anisotropic B[2][3] -0.09
Anisotropic B[3][3] 0.0
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.4
c_bond_d 0.006
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.21
Luzzati Sigma A (Observed) 0.17
Luzzati Resolution Cutoff (Low) 5.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3787
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 358

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SOLVE Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
CNS version: 1.0 refinement
SOLVE model building
SCALEPACK data reduction
DENZO data collection