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 = 74.33 α = 90
b = 112.35 β = 90
c = 154.91 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 2003-06-17
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX14.1 -- SRS PX14.1

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
2.9 20 99.2 0.16 -- -- 4.0 -- 29878 -- -- --
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)
2.9 3.06 99.5 0.73 -- 1.7 -- --

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 2.9 20.0 -- -- -- 27911 1197 99.1 -- 0.203 0.2 0.264 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 2.9 2.97 -- 91 1975 0.411 0.365 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 36.11
Anisotropic B[1][1] -3.31
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -2.45
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 5.76
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 12.919
r_scbond_it 9.316
r_mcangle_it 5.455
r_mcbond_it 3.432
r_nbd_refined 0.37
r_gen_planes_refined 0.019
r_chiral_restr 0.204
r_dihedral_angle_4_deg 25.885
r_dihedral_angle_3_deg 26.959
r_dihedral_angle_2_deg 43.654
r_dihedral_angle_1_deg 12.688
r_angle_refined_deg 2.918
r_bond_refined_d 0.015
r_nbtor_refined 0.387
r_symmetry_vdw_refined 0.331
r_symmetry_hbond_refined 0.549
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8923
Nucleic Acid Atoms 0
Heterogen Atoms 56
Solvent Atoms 88

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
MOLREP Structure Solution
REFMAC 5.2.0005 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.2.0005 refinement
MOLREP model building