X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6
Temperature 293.0
Details PEG 2000 MME, Ammonium Sulfate, Sodium Acetate, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 55.47 α = 90
b = 58.39 β = 112.25
c = 64.09 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 QUANTUM 4 -- 2003-06-13
Diffraction Radiation
Monochromator Protocol
KOHZU Double Crystal Monochromator With A Sagittally Focused Second Crystal. Crystal Type Is Si(111). SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X4A 0.97888 NSLS X4A

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 20 97.7 -- 0.084 -- 7.0 35665 34815 -- -3.0 17.1
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 80.4 -- 0.367 3.3 4.7 2834

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 1.8 20.0 -- 0.0 35708 30446 3310 95.72 -- 0.19723 0.19219 0.2437 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 1.846 1908 207 1701 0.253 0.268 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 22.472
Anisotropic B[1][1] -0.46
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -0.77
Anisotropic B[2][2] 0.17
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.3
RMS Deviations
Key Refinement Restraint Deviation
r_gen_planes_refined 0.004
r_mcbond_it 1.234
r_bond_refined_d 0.01
r_nbd_refined 0.224
r_mcangle_it 2.14
r_xyhbond_nbd_refined 0.186
r_angle_refined_deg 1.224
r_dihedral_angle_1_deg 5.783
r_symmetry_vdw_refined 0.258
r_symmetry_hbond_refined 0.216
r_chiral_restr 0.082
r_scbond_it 1.471
r_scangle_it 2.407
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3747
Nucleic Acid Atoms 0
Heterogen Atoms 16
Solvent Atoms 210

Software

Software
Software Name Purpose
REFMAC refinement version: 5.1.24
DENZO data reduction
SCALEPACK data scaling
CNS phasing