X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8
Details 0.2 M CA ACETATE, 15% PEG 3350, 0.1 M TRIS PH 8.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 76.87 α = 90
b = 172.38 β = 93.45
c = 112.45 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC MIRRORS 2002-01-15
Diffraction Radiation
Monochromator Protocol
SI 111 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
1.8 50 98.6 0.052 -- -- 3.4 -- 265996 -- -- --
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 96.3 0.35 -- 2.7 3.0 --

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 1.8 50.0 -- -- -- 252571 13373 98.5 -- 0.187 0.185 0.222 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 1.8 1.84 -- 969 17869 0.248 0.288 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 20.08
Anisotropic B[1][1] 0.3
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -0.3
Anisotropic B[2][2] -0.2
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.13
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 4.276
r_scbond_it 2.558
r_mcangle_it 1.537
r_mcbond_it 0.835
r_nbd_refined 0.221
r_gen_planes_refined 0.006
r_chiral_restr 0.128
r_dihedral_angle_3_deg 18.312
r_dihedral_angle_1_deg 4.679
r_angle_refined_deg 1.604
r_bond_refined_d 0.014
r_xyhbond_nbd_refined 0.164
r_metal_ion_refined 0.086
r_symmetry_vdw_refined 0.41
r_symmetry_hbond_refined 0.282
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 19783
Nucleic Acid Atoms 0
Heterogen Atoms 39
Solvent Atoms 1763

Software

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