X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 4.6
Temperature 291.0
Details Ammonium Acetate, Sodium acetate, PEG 4000, Glycerol , pH 4.6, VAPOR DIFFUSION, SITTING DROP, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 121.37 α = 90
b = 66.93 β = 90
c = 171.95 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 BRANDEIS - B1 -- 2000-03-03
Diffraction Radiation
Monochromator Protocol
Si 111 CHANNEL MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X12C 0.9789 NSLS X12C

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
2.3 100 86.7 0.079 -- -- -- -- n/a 0.0 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)
2.3 2.38 69.4 0.383 -- -- 8.0 8331

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 2.3 500.0 -- 0.0 -- 53833 -- 85.4 -- -- 0.255 0.2982 Random
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Isotropic
Mean Isotropic B 21.15
Anisotropic B[1][1] -5.22
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -8.55
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 13.78
RMS Deviations
Key Refinement Restraint Deviation
c_scbond_it 1.903
c_bond_d 0.01
c_angle_deg 1.609
c_mcbond_it 1.223
c_scangle_it 2.707
c_mcangle_it 1.984
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 9340
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 122

Software

Software
Software Name Purpose
MARMAD data collection
HKL-2000 data reduction
PHASES phasing
CNS refinement version: 1.0
MARMAD data reduction
HKL-2000 data scaling