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_scangle_it 3.087
r_scbond_it 2.085
r_mcangle_it 2.784
r_nbd_refined 0.196
r_gen_planes_refined 0.005
r_chiral_restr 0.088
r_dihedral_angle_1_deg 5.259
r_angle_refined_deg 1.233
r_bond_refined_d 0.013
r_xyhbond_nbd_refined 0.114
r_metal_ion_refined 0.037
r_symmetry_vdw_refined 0.131
r_symmetry_hbond_refined 0.067
r_mcbond_it 1.681
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

Computing
Computing Package Purpose
MAR Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SOLVE Structure Solution
REFMAC 5.1.24 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.1.24 refinement