X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Modified Microbatch
pH 8
Temperature 291.0
Details PEG 1000, calcium acetate, imidazole, pH 8.0, modified microbatch, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 105.92 α = 90
b = 105.92 β = 90
c = 81 γ = 90
Symmetry
Space Group P 42 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2002-07-13
Diffraction Radiation
Monochromator Protocol
Si channel 220 SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 22-ID 0.97243 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
2.35 50 -- -- 0.071 -- -- 19759 19657 0.0 -3.0 --
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)
2.35 2.43 100.0 -- 0.369 6.3 -- --

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
SAD 2.35 74.54 -- -- 19759 18575 1004 99.4 -- 0.21329 0.21117 0.25252 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 2.35 2.414 -- 76 1306 0.229 0.275 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 27.774
Anisotropic B[1][1] -1.08
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -1.08
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 2.15
RMS Deviations
Key Refinement Restraint Deviation
r_mcangle_it 2.784
r_chiral_restr 0.088
r_symmetry_vdw_refined 0.131
r_angle_refined_deg 1.233
r_gen_planes_refined 0.005
r_nbd_refined 0.196
r_bond_refined_d 0.013
r_metal_ion_refined 0.037
r_dihedral_angle_1_deg 5.259
r_symmetry_hbond_refined 0.067
r_mcbond_it 1.681
r_scbond_it 2.085
r_scangle_it 3.087
r_xyhbond_nbd_refined 0.114
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2614
Nucleic Acid Atoms 0
Heterogen Atoms 6
Solvent Atoms 12

Software

Software
Software Name Purpose
REFMAC refinement version: 5.1.24
MAR345 data collection
SCALEPACK data scaling
SOLVE phasing