X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Details PROTEIN BUFFER: 20 MM TRIS, 50 MM NACL, PH 7.5 RESERVOIR: 0.9M AMMONIUM PHOSPHATE, 0.075M SODIUM ACETATE HANGING DROPS

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 148.99 α = 90
b = 189.55 β = 90
c = 76.41 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU IMAGE PLATE MIRRORS 2010-11-20
Diffraction Radiation
Monochromator Protocol
SI SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU MICROMAX-007 HF -- -- --

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 53.34 99.0 0.09 -- -- 2.9 -- 54441 -- 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 99.7 0.44 -- 1.9 2.8 --

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 2.2 117.14 -- -- -- 51553 2765 98.3 -- 0.21469 0.21277 0.25037 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 -- 222 3576 0.324 0.373 -- 99.42
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 42.221
Anisotropic B[1][1] 3.44
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.85
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -2.59
RMS Deviations
Key Refinement Restraint Deviation
r_chiral_restr 0.085
r_dihedral_angle_2_deg 40.867
r_dihedral_angle_4_deg 20.249
r_dihedral_angle_1_deg 6.035
r_angle_refined_deg 1.474
r_gen_planes_refined 0.006
r_bond_refined_d 0.009
r_dihedral_angle_3_deg 16.293
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5486
Nucleic Acid Atoms 0
Heterogen Atoms 26
Solvent Atoms 176

Software

Software
Software Name Purpose
REFMAC refinement version: 5.6.0117
XDS data reduction
SCALA data scaling
PHASER phasing