X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4
Temperature 292.0
Details 2.4 M ammonium sulfate, 0.1 M citric acid, VAPOR DIFFUSION, HANGING DROP, temperature 292K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 77.66 α = 90
b = 161.14 β = 90
c = 44.63 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 MAR CCD 165 mm -- 2010-06-23
Diffraction Radiation
Monochromator Protocol
SI 111 CHANNEL SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON BESSY BEAMLINE 14.3 -- BESSY 14.3

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
2.25 25 97.7 0.071 -- -- 4.6 -- 25775 -- -3.0 35.5

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 2.28 25.0 -- -- -- 24726 1010 97.6 -- 0.213 0.211 0.284 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 2.28 2.34 -- 76 1713 0.245 0.327 -- 93.52
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 35.289
Anisotropic B[1][1] -2.91
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.11
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 3.02
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 4.288
r_scbond_it 2.678
r_mcangle_it 1.362
r_mcbond_it 0.771
r_gen_planes_refined 0.009
r_chiral_restr 0.122
r_dihedral_angle_4_deg 18.945
r_dihedral_angle_3_deg 18.59
r_dihedral_angle_2_deg 40.687
r_dihedral_angle_1_deg 6.445
r_angle_refined_deg 1.855
r_bond_refined_d 0.02
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3307
Nucleic Acid Atoms 0
Heterogen Atoms 30
Solvent Atoms 148

Software

Computing
Computing Package Purpose
XDS Data Reduction (intensity integration)
SCALA Data Reduction (data scaling)
MOLREP Structure Solution
REFMAC 5.5.0109 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.5.0109 refinement
Molrep model building
marccd data collection