X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Temperature 291.0
Details 1 M Na-Citrate, 0.1 M Na-cacodylate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 132.66 α = 90
b = 57.81 β = 90
c = 45.17 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 Mirrors 2002-09-03
Diffraction Radiation
Monochromator Protocol
SI 111 SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX14.2 0.98 SRS PX14.2

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
1.8 20 99.2 0.05 -- -- 6.9 226852 225037 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)
1.8 1.86 99.1 0.37 -- 3.6 -- 3197

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
MOLECULAR REPLACEMENT 1.8 20.0 -- 0.0 31232 30873 1647 98.85 0.232 0.232 0.229 0.275 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 1.802 1.848 2117 103 2117 0.279 0.329 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 21.218
Anisotropic B[1][1] -2.15
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 5.08
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -2.93
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 2.45
r_scbond_it 1.592
r_bond_refined_d 0.009
r_angle_refined_deg 1.258
r_dihedral_angle_1_deg 3.71
r_dihedral_angle_3_deg 15.728
r_chiral_restr 0.086
r_gen_planes_refined 0.004
r_nbd_refined 0.235
r_xyhbond_nbd_refined 0.194
r_symmetry_vdw_refined 0.206
r_symmetry_hbond_refined 0.293
r_mcbond_it 0.679
r_mcangle_it 1.181
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2221
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 207

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
REFMAC 5 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.0 refinement