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 18% peg3350, 0.1M sodium Hepes, 15% gylcerol added as a cryoprotectant prior to freezing., pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 50.74 α = 90
b = 71.46 β = 90
c = 108.69 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 93
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315 -- 2006-11-22
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 1.0 ESRF ID14-4

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 59.76 99.32 0.096 -- -- 3.2 35293 35293 2.0 2.0 --
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)
1.8 1.847 98.5 0.191 -- -- 3.6 2545

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
MOLECULAR REPLACEMENT 1.8 59.76 -- 2.0 35293 35293 1871 99.32 -- 0.18847 0.18698 0.21538 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 1.847 2545 133 2545 0.215 0.248 -- 98.53
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 19.945
Anisotropic B[1][1] 0.97
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.55
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.42
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_4_deg 15.174
r_chiral_restr 0.067
r_nbd_refined 0.188
r_xyhbond_nbd_refined 0.118
r_nbtor_refined 0.299
r_scbond_it 1.251
r_symmetry_hbond_refined 0.109
r_angle_refined_deg 1.041
r_scangle_it 1.957
r_mcangle_it 0.807
r_mcbond_it 0.573
r_dihedral_angle_2_deg 34.898
r_bond_refined_d 0.007
r_dihedral_angle_3_deg 12.199
r_gen_planes_refined 0.003
r_dihedral_angle_1_deg 5.053
r_symmetry_vdw_refined 0.105
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2783
Nucleic Acid Atoms 0
Heterogen Atoms 34
Solvent Atoms 325

Software

Software
Software Name Purpose
ADSC data collection version: Quantum
AMoRE phasing
REFMAC refinement version: 5.2.0019
MOSFLM data reduction
SCALA data scaling