X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 298.0
Details PEG 10K, Ammonium sulfate, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 58.69 α = 90
b = 106.61 β = 104.12
c = 81.8 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 105
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315 mirrors 2002-07-01
Diffraction Radiation
Monochromator Protocol
double crystal SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-2 0.97 SSRL BL9-2

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
2.15 40 99.8 0.074 0.074 -- 3.6 26506 26506 0.0 -3.0 31.4
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)
2.15 2.23 99.7 0.304 0.304 4.3 2.8 2619

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 2.15 39.53 0.0 0.0 25214 25214 1291 100.0 0.20786 0.20786 0.20571 0.24983 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 2.15 2.206 -- 73 1866 0.215 0.268 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model ISOTROPIC
Mean Isotropic B 23.73
Anisotropic B[1][1] 1.96
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 1.0
Anisotropic B[2][2] 0.8
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -2.27
RMS Deviations
Key Refinement Restraint Deviation
r_scbond_it 1.084
r_nbd_refined 0.192
r_dihedral_angle_1_deg 6.543
r_xyhbond_nbd_refined 0.107
r_gen_planes_refined 0.004
r_symmetry_vdw_refined 0.184
r_mcbond_it 0.324
r_mcangle_it 0.618
r_angle_refined_deg 1.116
r_bond_refined_d 0.008
r_scangle_it 1.742
r_chiral_restr 0.075
r_symmetry_hbond_refined 0.139
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3432
Nucleic Acid Atoms 0
Heterogen Atoms 40
Solvent Atoms 175

Software

Software
Software Name Purpose
REFMAC refinement version: 5.1.24
DENZO data reduction
SCALEPACK data scaling
CNS phasing