X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.2
Temperature 277.0
Details sodium acetate, imidazole, pH 6.2, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 99.07 α = 90
b = 99.07 β = 90
c = 454.68 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD CUSTOM-MADE -- 2001-01-01
CCD CUSTOM-MADE -- 2000-12-21
Diffraction Radiation
Monochromator Protocol
-- MAD
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-ID .95679 APS 19-ID
SYNCHROTRON APS BEAMLINE 19-BM .97885 APS 19-BM

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
2.9 50 91.2 -- -- -- -- -- 47194 -- -- 31.0
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)
2.9 -- 80.4 -- -- 3.3 -- --

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 2.9 47.09 -- 0.0 -- 47193 4747 91.3 -- 0.255 0.255 0.289 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 2.9 3.08 -- 674 6204 0.415 0.419 0.016 81.7
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 62.2
Anisotropic B[1][1] 13.67
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 13.67
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -27.34
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 26.04
c_scbond_it 19.36
c_mcangle_it 17.8
c_mcbond_it 11.47
c_improper_angle_d 1.28
c_dihedral_angle_d 23.0
c_angle_deg 1.8
c_bond_d 0.013
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.47
Luzzati Sigma A (Observed) 1.02
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.53
Luzzati Sigma A (R-Free Set) 1.11
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8179
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 0

Software

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