X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8
Details PROTEIN WAS CRYSTALLIZED FROM 9% PEG 3350, 0.1 M HEPES PH 6.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 37.27 α = 90
b = 65.17 β = 90
c = 209.49 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 77
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315 KIRKPATRICK BAEZ BIMORPH MIRROR PAIR 2012-03-10
Diffraction Radiation
Monochromator Protocol
SI (111) DOUBLE CRYSTAL MONOCHROMATOR SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON DIAMOND BEAMLINE I02 -- Diamond I02

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
2.1 55.3 97.3 0.04 -- -- 3.4 -- 29593 -- 2.0 --
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)
2.07 2.13 82.0 0.36 -- 2.0 2.1 --

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 2.07 55.33 -- -- -- 29593 1570 97.05 -- 0.19498 0.19255 0.24039 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 2.071 2.125 -- 100 1638 0.264 0.355 -- 79.72
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 37.003
Anisotropic B[1][1] -0.55
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.39
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.84
RMS Deviations
Key Refinement Restraint Deviation
r_gen_planes_refined 0.009
r_dihedral_angle_3_deg 17.332
r_dihedral_angle_2_deg 31.306
r_gen_planes_other 0.004
r_bond_refined_d 0.017
r_dihedral_angle_4_deg 18.8
r_angle_other_deg 1.377
r_angle_refined_deg 1.875
r_dihedral_angle_1_deg 6.532
r_bond_other_d 0.005
r_chiral_restr 0.104
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3638
Nucleic Acid Atoms 0
Heterogen Atoms 93
Solvent Atoms 147

Software

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