X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.5
Temperature 293.0
Details 60% AS, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 77.23 α = 90
b = 77.23 β = 90
c = 79.99 γ = 120
Symmetry
Space Group P 3 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2002-07-02
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 22-ID 0.9795 APS 22-ID

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
1.57 20 -- 0.043 -- -- 7.0 -- 38325 -- -3.0 20.0
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)
1.57 1.61 82.6 0.167 -- 2.9 3.3 2168

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
MIR 1.57 10.0 -- 0.0 37023 37023 1197 100.0 0.17795 0.1779 0.177 0.20797 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 1.57 1.611 -- 81 2387 0.228 0.239 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 23.835
Anisotropic B[1][1] -0.02
Anisotropic B[1][2] -0.01
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.02
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.03
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 8.093
r_scbond_it 6.257
r_bond_refined_d 0.017
r_angle_refined_deg 1.53
r_dihedral_angle_1_deg 5.079
r_dihedral_angle_3_deg 16.369
r_chiral_restr 0.1
r_gen_planes_refined 0.006
r_nbd_refined 0.238
r_xyhbond_nbd_refined 0.13
r_symmetry_vdw_refined 0.275
r_symmetry_hbond_refined 0.162
r_mcbond_it 2.402
r_mcangle_it 4.071
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.077
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1802
Nucleic Acid Atoms 0
Heterogen Atoms 9
Solvent Atoms 335

Software

Computing
Computing Package Purpose
HKL-2000 Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
MLPHARE Structure Solution
REFMAC 5 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.0 refinement
MLPHARE model building
SCALEPACK data reduction
HKL-2000 data collection