X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 6.5
Temperature 294.0
Details 18% peg8000, 0.1M na cacodylate, ph 6.5, 0.2 M calcium acetate, VAPOR DIFFUSION, SITTING DROP, temperature 294K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 65.09 α = 90
b = 65.09 β = 90
c = 291.73 γ = 120
Symmetry
Space Group P 65 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315 -- 2008-10-02
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X29A 0.9791 NSLS X29A

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
1.99 50 79.7 0.063 -- -- 7.1 -- 37904 -- -- --
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)
1.99 2.06 34.3 0.388 -- -- 5.3 1623

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 2.0 19.54 -- 0.0 -- 19614 1011 75.26 -- 0.209 0.205 0.285 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 1.997 2.048 -- 9 105 0.243 0.327 -- 6.08
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 45.186
Anisotropic B[1][1] 0.0
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.0
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.0
RMS Deviations
Key Refinement Restraint Deviation
r_mcangle_it 4.167
r_dihedral_angle_2_deg 35.679
r_bond_refined_d 0.015
r_dihedral_angle_3_deg 19.367
r_gen_planes_refined 0.007
r_chiral_restr 0.136
r_angle_refined_deg 1.73
r_scangle_it 1.128
r_dihedral_angle_1_deg 8.087
r_scbond_it 9.657
r_mcbond_it 1.151
r_dihedral_angle_4_deg 17.168
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2477
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 194

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
SHELX phasing
REFMAC refinement
PDB_EXTRACT data extraction version: 3.006
SHELXD phasing