X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Temperature 291.0
Details 3.7 M NaCl; 0.1M Hepes pH 7.5, 600nL + 100 nL drops, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 123.87 α = 90
b = 123.87 β = 90
c = 72.47 γ = 120
Symmetry
Space Group P 65

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315r -- 2009-02-13
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X29A -- NSLS X29A

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 33 94.0 -- 0.082 -- 9.5 -- 40530 -- 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)
2.0 2.07 99.3 -- 0.601 3.7 9.1 --

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 2.1 32.07 -- -- 43123 34830 1867 98.96 -- 0.1889 0.18672 0.22975 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 2.1 2.154 -- 148 2546 0.206 0.241 -- 99.26
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 40.708
Anisotropic B[1][1] -2.03
Anisotropic B[1][2] -1.01
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -2.03
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 3.04
RMS Deviations
Key Refinement Restraint Deviation
r_mcbond_it 1.488
r_dihedral_angle_1_deg 6.798
r_scbond_it 3.838
r_gen_planes_refined 0.012
r_angle_refined_deg 2.091
r_dihedral_angle_4_deg 19.535
r_dihedral_angle_3_deg 17.941
r_mcangle_it 2.69
r_scangle_it 6.199
r_bond_refined_d 0.025
r_chiral_restr 0.155
r_dihedral_angle_2_deg 35.089
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3209
Nucleic Acid Atoms 0
Heterogen Atoms 4
Solvent Atoms 263

Software

Software
Software Name Purpose
CBASS data collection
PHASER phasing
REFMAC refinement version: 5.5.0109
HKL-2000 data reduction
HKL-2000 data scaling