X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 7.5
Temperature 293.0
Details 28% PEG 400, 0.1M HEPES, 0.2M calcium chrolide, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 293.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 36.48 α = 90
b = 73.46 β = 90
c = 34.65 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 QUANTUM 270 -- 2007-12-05
Diffraction Radiation
Monochromator Protocol
Si 111 SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON PHOTON FACTORY BEAMLINE BL-17A 1.0000 PHOTON FACTORY BL-17A

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
1.9 100 97.6 0.063 -- -- 5.5 -- 3816 -- -- 32.4
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)
1.9 1.93 89.5 0.384 -- 3.3 3.5 187

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 1.9 23.77 -- -- -- 3605 175 96.97 -- 0.21526 0.21282 0.26151 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 1.901 1.95 -- 15 247 0.337 0.325 -- 90.97
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 38.8
Anisotropic B[1][1] -0.48
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.96
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.48
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 4.484
r_scbond_it 2.688
r_mcangle_it 1.683
r_mcbond_it 0.897
r_gen_planes_refined 0.006
r_chiral_restr 0.1
r_dihedral_angle_4_deg 15.208
r_dihedral_angle_3_deg 17.483
r_dihedral_angle_2_deg 48.557
r_dihedral_angle_1_deg 5.328
r_angle_refined_deg 1.584
r_bond_refined_d 0.014
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 403
Nucleic Acid Atoms 0
Heterogen Atoms 4
Solvent Atoms 16

Software

Computing
Computing Package Purpose
ADSC Quantum Data Collection
HKL-2000 Data Reduction (intensity integration)
HKL-2000 Data Reduction (data scaling)
SOLVE Structure Solution
REFMAC 5.5.0109 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.5.0109 refinement
SOLVE model building
ADSC version: Quantum data collection