X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details SODIUM CITRATE 0.4M, SODIUM CACODYLATE 0.1M, PH 6.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 98.56 α = 90
b = 77.32 β = 103.46
c = 101.77 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315r MIRRORS 2010-09-10
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-1 -- ESRF ID14-1

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
2.2 62 99.8 0.12 -- -- 4.1 -- 75663 -- 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)
2.2 2.32 99.9 0.54 -- 3.1 4.0 --

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 2.2 60.18 -- -- -- 71835 3808 99.83 -- 0.17539 0.17285 0.22289 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 2.2 2.257 -- 267 5104 0.238 0.286 -- 99.19
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 33.453
Anisotropic B[1][1] 0.22
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.18
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.41
RMS Deviations
Key Refinement Restraint Deviation
r_sphericity_free 4.473
r_dihedral_angle_4_deg 22.07
r_angle_refined_deg 1.742
r_rigid_bond_restr 10.756
r_sphericity_bonded 3.945
r_dihedral_angle_2_deg 34.422
r_bond_refined_d 0.019
r_chiral_restr 0.123
r_gen_planes_refined 0.01
r_dihedral_angle_3_deg 17.714
r_dihedral_angle_1_deg 6.589
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 10179
Nucleic Acid Atoms 0
Heterogen Atoms 21
Solvent Atoms 401

Software

Software
Software Name Purpose
REFMAC refinement version: 5.6.0117
MOSFLM data reduction
SCALA data scaling
MOLREP phasing