X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.4
Temperature 293.0
Details 2.28M Ammonium sulfate, pH 8.4, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 78.31 α = 90
b = 116.88 β = 90
c = 61.95 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 315 -- 2007-02-22
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 14-BM-C 0.90020 APS 14-BM-C

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
1.76 65.09 99.64 0.097 0.097 -- 7.8 28427 26969 0.0 0.0 --
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)
1.76 1.79 100.0 0.459 0.459 4.49 7.8 1392

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 1.76 65.09 0.0 0.0 28427 26969 1435 99.64 -- 0.14113 0.13949 0.17067 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 1.76 1.807 2004 99 1905 0.163 0.219 -- 96.3
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 12.841
Anisotropic B[1][1] 0.82
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.41
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.41
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_4_deg 18.698
r_xyhbond_nbd_refined 0.151
r_mcbond_it 0.967
r_scbond_it 2.659
r_chiral_restr 0.104
r_bond_refined_d 0.01
r_symmetry_hbond_refined 0.136
r_symmetry_vdw_refined 0.181
r_dihedral_angle_2_deg 35.124
r_mcangle_it 1.454
r_scangle_it 4.329
r_gen_planes_refined 0.006
r_nbd_refined 0.23
r_nbtor_refined 0.309
r_angle_refined_deg 1.503
r_dihedral_angle_1_deg 5.778
r_dihedral_angle_3_deg 13.139
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1980
Nucleic Acid Atoms 0
Heterogen Atoms 30
Solvent Atoms 297

Software

Software
Software Name Purpose
REFMAC refinement version: 5.2.0019
ADSC data collection version: Quantum
HKL-2000 data reduction
HKL-2000 data scaling
MOLREP phasing