X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.5
Details 2-10% (M/V) NACL AND 0.1 M ACETATE BUFFER PH 4.5 (THE PROTEIN:WELL SOLUTION RATIO IN THE DROP WAS 1:1 WITH THE FINAL DROP VOLUME OF 4 MICROLITER USING A PROTEIN STOCK CONCENTRATION OF AROUND 50 MG/ML.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 77.96 α = 90
b = 77.96 β = 90
c = 36.41 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 160
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD (QUANTUM 210) ADSC -- --
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
1.67 30.38 99.6 0.02 -- -- 13.5 -- 13544 -- -1.0 --
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)
1.67 1.76 100.0 0.1 -- 6.4 13.4 --

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 1.67 30.38 -- -- -- 12793 667 99.48 -- 0.21501 0.21249 0.26664 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 1.67 1.713 -- 58 911 0.257 0.266 -- 100.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 22.674
Anisotropic B[1][1] -1.47
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -1.47
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 2.94
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 4.522
r_scbond_it 2.999
r_mcangle_it 1.891
r_mcbond_other 0.375
r_mcbond_it 1.194
r_gen_planes_other 0.001
r_gen_planes_refined 0.011
r_chiral_restr 0.12
r_dihedral_angle_4_deg 20.704
r_dihedral_angle_3_deg 14.229
r_dihedral_angle_2_deg 36.837
r_dihedral_angle_1_deg 7.299
r_angle_other_deg 1.184
r_angle_refined_deg 1.84
r_bond_other_d 0.008
r_bond_refined_d 0.022
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 987
Nucleic Acid Atoms 0
Heterogen Atoms 10
Solvent Atoms 104

Software

Computing
Computing Package Purpose
SCALA Data Reduction (data scaling)
PHASER Structure Solution
REFMAC 5.5.0109 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.5.0109 refinement
PHASER model building