X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.25
Temperature 277.0
Details ammonium sulphate, pH 7.25, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 187.03 α = 90
b = 187.03 β = 90
c = 274.86 γ = 90
Symmetry
Space Group I 41 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
2 100
3 100
4 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MAR scanner 345 mm plate -- 2001-08-07
CCD MARRESEARCH -- 2002-02-21
CCD MARRESEARCH -- 2002-02-21
CCD MARRESEARCH -- 2002-02-21
Diffraction Radiation
Monochromator Protocol
Triangular monochromator SINGLE WAVELENGTH
channel - cut Si monochromator MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID29 1.7387 ESRF ID29
SYNCHROTRON ESRF BEAMLINE ID29 0.9801 ESRF ID29
SYNCHROTRON ESRF BEAMLINE ID29 1.7404 ESRF ID29
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE BW7B -- EMBL/DESY, Hamburg BW7B

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
2.11 50 99.67 0.081 -- -- 3.0 131238 131238 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)
2.11 2.15 97.5 0.489 -- 2.8 1.5 --

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
MAD 2.11 50.0 -- 0.0 131238 131238 6934 99.67 0.18768 0.18768 0.18567 0.22586 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 2.11 2.165 -- 508 9483 0.219 0.275 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 25.363
Anisotropic B[1][1] 0.09
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.09
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.19
RMS Deviations
Key Refinement Restraint Deviation
r_xyhbond_nbd_refined 0.145
r_scbond_it 2.531
r_chiral_restr 0.086
r_scangle_it 3.608
r_mcbond_it 1.07
r_symmetry_hbond_refined 0.139
r_angle_refined_deg 1.25
r_gen_planes_refined 0.011
r_mcangle_it 1.985
r_bond_refined_d 0.01
r_dihedral_angle_1_deg 4.565
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 12856
Nucleic Acid Atoms 0
Heterogen Atoms 630
Solvent Atoms 1618

Software

Software
Software Name Purpose
REFMAC refinement version: 5.1.19
MOSFLM data reduction
CCP4 data scaling version: (SCALA)
SOLVE phasing