X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Temperature 298.0
Details 0.1M HEPES pH7.5, 0.8M Potassium Sodium Tartarate tetrahydrate, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 110.77 α = 90
b = 140.44 β = 90
c = 48.57 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315r MIRRORS 2009-04-15
Diffraction Radiation
Monochromator Protocol
SI(111)CHANNEL SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X29A -- 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
2.09 44.5 99.9 0.096 -- -- 14.2 -- 45411 -- 0.0 39.7
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)
2.1 2.18 99.7 0.52 -- 5.0 13.1 --

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 2.09 44.5 -- 0.0 45411 43315 2304 99.6 -- 0.207 0.205 0.245 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 2.09 2.14 -- 187 2958 0.252 0.3 -- 95.33
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 39.95
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_chiral_restr 0.126
r_bond_refined_d 0.02
r_dihedral_angle_1_deg 6.498
r_nbd_refined 0.224
r_angle_refined_deg 1.875
r_mcangle_it 2.035
r_scangle_it 4.999
r_symmetry_hbond_refined 0.176
r_gen_planes_refined 0.007
r_mcbond_it 1.372
r_dihedral_angle_4_deg 26.637
r_scbond_it 3.449
r_dihedral_angle_2_deg 29.945
r_symmetry_vdw_refined 0.206
r_xyhbond_nbd_refined 0.225
r_dihedral_angle_3_deg 16.856
r_nbtor_refined 0.307
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3735
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 243

Software

Software
Software Name Purpose
CBASS data collection
SHELXD phasing
SHARP phasing
REFMAC refinement version: 5.2.0019
HKL-2000 data reduction
HKL-2000 data scaling