X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.7
Details 200 MM SODIUM ACETATE BUFFER PH 4.7, 10% W/V NACL.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 77.76 α = 90
b = 77.76 β = 90
c = 38.45 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 210 MIRRORS 2010-05-10
Diffraction Radiation
Monochromator Protocol
EMG-T5 KOHZU DOUBLE CRYSTAL MONOCHROMATOR SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 -- ESRF ID14-4

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 35 99.4 0.06 -- -- 6.2 -- 8348 -- 4.0 12.786
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)
2.0 2.1 99.8 0.07 -- 8.8 6.2 --

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 2.0 35.0 -- -- -- 7913 384 98.93 -- 0.20006 0.19827 0.23584 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 2.0 2.052 -- 24 566 0.18 0.22 -- 98.99
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 14.025
Anisotropic B[1][1] -0.92
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.92
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 1.83
RMS Deviations
Key Refinement Restraint Deviation
r_angle_refined_deg 0.976
r_dihedral_angle_1_deg 5.208
r_gen_planes_refined 0.002
r_chiral_restr 0.077
r_scbond_it 1.091
r_dihedral_angle_3_deg 12.732
r_bond_refined_d 0.007
r_mcbond_it 0.352
r_dihedral_angle_4_deg 16.15
r_scangle_it 1.884
r_mcangle_it 0.71
r_dihedral_angle_2_deg 34.28
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1001
Nucleic Acid Atoms 0
Heterogen Atoms 16
Solvent Atoms 74

Software

Software
Software Name Purpose
REFMAC refinement version: 5.5.0110
MOSFLM data reduction
SCALEPACK data scaling
MOLREP phasing