X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
pH 6.5
Temperature 298.0
Details ammonium sulfate, DTT, EDTA, n-octanol, MES, pH 6.5, VAPOR DIFFUSION, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 76.88 α = 90
b = 95.2 β = 90
c = 249.43 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 4 -- 2002-03-01
Diffraction Radiation
Monochromator Protocol
Platinum SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X26C -- 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
2.1 50 90.2 -- -- -- -- -- 96809 2.0 2.0 --
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)
2.1 2.18 78.5 -- -- -- -- --

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
FOURIER SYNTHESIS 2.1 48.8 -- 2.0 97057 92256 4801 90.17 0.1752 0.1752 0.17238 0.22964 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 2.1 2.155 -- 322 5820 0.222 0.306 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 28.079
Anisotropic B[1][1] -0.33
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.48
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.15
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 12.394
r_bond_refined_d 0.033
r_angle_refined_deg 2.593
r_dihedral_angle_1_deg 6.182
r_chiral_restr 0.182
r_gen_planes_refined 0.012
r_nbd_refined 0.246
r_xyhbond_nbd_refined 0.175
r_symmetry_vdw_refined 0.493
r_symmetry_hbond_refined 0.491
r_mcbond_it 2.925
r_mcangle_it 4.588
r_scbond_it 7.872
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 11730
Nucleic Acid Atoms 0
Heterogen Atoms 275
Solvent Atoms 919

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
FFT Structure Solution
REFMAC 5.1.24 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.1.24 refinement
FFT model building
SCALEPACK data reduction
DENZO data collection