X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.5
Details 4 MG/ML PISA1, 18 % W/V PEG 2000, 0.42 MM SODIUM ACETATE PH 4.5 .

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 74.73 α = 90
b = 200.59 β = 90
c = 245.33 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARMOSAIC 225 mm CCD -- 2009-04-26
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X12 -- EMBL/DESY, Hamburg X12

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
2.7 19.91 99.8 0.17 -- -- 10.1 -- 102022 -- 2.0 53.427
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)
2.7 2.85 100.0 0.8 -- 1.0 9.3 --

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 2.7 19.91 -- -- -- 96842 5090 99.99 -- 0.18492 0.18252 0.23049 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 2.7 2.769 -- 373 7002 0.26 0.331 -- 99.97
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 47.746
Anisotropic B[1][1] -1.26
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 3.3
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -2.04
RMS Deviations
Key Refinement Restraint Deviation
r_nbd_refined 0.203
r_angle_refined_deg 1.834
r_symmetry_vdw_refined 0.207
r_chiral_restr 0.164
r_metal_ion_refined 0.087
r_bond_refined_d 0.014
r_mcangle_it 5.424
r_gen_planes_refined 0.009
r_symmetry_hbond_refined 0.136
r_dihedral_angle_4_deg 19.399
r_scbond_it 8.645
r_dihedral_angle_1_deg 2.924
r_scangle_it 12.52
r_mcbond_it 3.351
r_xyhbond_nbd_refined 0.142
r_dihedral_angle_2_deg 38.684
r_dihedral_angle_3_deg 19.686
r_nbtor_refined 0.302
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 29668
Nucleic Acid Atoms 0
Heterogen Atoms 42
Solvent Atoms 1166

Software

Software
Software Name Purpose
REFMAC refinement version: 5.5.0109
XDS data reduction
SCALA data scaling
PHASER phasing