X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 100 MM NACL, 2.4M AMMONIUM SULPHATE PH 7.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 166.04 α = 90
b = 203.55 β = 90
c = 144.02 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC MIRRORS 2002-11-15
Diffraction Radiation
Monochromator Protocol
NI FILTER SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX14.2 -- 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
1.6 50 99.6 0.051 -- -- 10.0 -- 317774 -- -- --
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)
1.6 1.66 99.7 0.4 -- 3.0 5.0 --

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 1.6 20.0 -- -- -- 300383 15958 99.6 -- 0.172 0.17 0.196 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 1.6 1.64 -- 1243 21935 0.243 0.266 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 21.43
Anisotropic B[1][1] 0.68
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.35
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.33
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 3.779
r_scbond_it 2.266
r_mcangle_it 1.389
r_mcbond_it 0.764
r_nbd_refined 0.275
r_gen_planes_refined 0.006
r_chiral_restr 0.107
r_dihedral_angle_3_deg 18.54
r_dihedral_angle_1_deg 4.791
r_angle_refined_deg 1.58
r_bond_refined_d 0.011
r_xyhbond_nbd_refined 0.226
r_metal_ion_refined 0.122
r_symmetry_vdw_refined 0.221
r_symmetry_hbond_refined 0.321
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 11090
Nucleic Acid Atoms 0
Heterogen Atoms 60
Solvent Atoms 2447

Software

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