X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.8
Details 22% PEG 3350, 0.1M NA3-CIT, pH 7.80

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 74.54 α = 90
b = 113.14 β = 90
c = 157.22 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC MIRRORS 2002-11-18
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-2 -- ESRF ID14-2

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
2.1 20 93.0 0.11 -- -- 2.1 -- 70168 -- 1.0 --
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)
2.1 2.21 87.0 0.36 -- 3.5 -- --

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 2.1 15.0 -- -- -- 69366 2158 91.7 -- 0.178 0.175 0.259 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 2.1 2.15 -- 126 4334 0.204 0.328 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 26.59
Anisotropic B[1][1] -1.02
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -1.07
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 2.09
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 8.443
r_scbond_it 5.512
r_mcangle_it 3.744
r_mcbond_it 2.291
r_nbd_refined 0.322
r_gen_planes_other 0.004
r_gen_planes_refined 0.012
r_chiral_restr 0.119
r_dihedral_angle_3_deg 22.153
r_dihedral_angle_1_deg 8.028
r_angle_other_deg 0.896
r_angle_refined_deg 1.822
r_bond_other_d 0.0
r_bond_refined_d 0.012
r_nbd_other 0.271
r_nbtor_other 0.086
r_xyhbond_nbd_refined 0.293
r_symmetry_vdw_refined 0.333
r_symmetry_vdw_other 0.254
r_symmetry_hbond_refined 0.407
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8924
Nucleic Acid Atoms 0
Heterogen Atoms 46
Solvent Atoms 935

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
MOLREP Structure Solution
REFMAC 5.0 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.0 refinement
MOLREP model building