X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 289.0
Details PEG 8000, ammonium sulfate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 289K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 39.7 α = 90
b = 109.7 β = 104.2
c = 73.6 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 110
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- --
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X26C 1.1 NSLS X26C

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
3.1 20 98.6 0.096 -- -- 3.9 11204 11038 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)
3.1 3.21 97.3 0.152 -- 8.6 -- --

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 3.1 20.0 -- 0.0 -- 10955 554 -- -- -- 0.238 0.293 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Anisotropic B[1][1] -15.321
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -7.275
Anisotropic B[2][2] 4.023
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 11.298
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 9.936
c_mcangle_it 7.444
c_scbond_it 7.123
c_mcbond_it 4.851
c_improper_angle_d 1.2
c_dihedral_angle_d 23.1
c_bond_d 0.008
c_angle_deg 1.4
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3998
Nucleic Acid Atoms 486
Heterogen Atoms 54
Solvent Atoms 0

Software

Computing
Computing Package Purpose
HKL-2000 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
HKL-2000 data collection