X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.75
Details 0.8 M (NH4)2HPO4, 0.1 M SODIUM CITRATE PH 5.75, 0.2 M NACL

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 96.17 α = 90
b = 96.17 β = 90
c = 80.79 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 MARMOSAIC 225 mm CCD -- 2008-06-19
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON BESSY BEAMLINE 14.2 -- BESSY 14.2

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 41.6 97.7 0.1 -- -- 10.5 -- 21150 -- 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 2.27 80.3 0.48 -- 2.6 6.2 --

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 41.59 -- -- -- 20051 1067 97.68 -- 0.16922 0.16746 0.20157 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 2.201 2.258 -- 58 1190 0.213 0.328 -- 78.84
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 22.196
Anisotropic B[1][1] 0.29
Anisotropic B[1][2] 0.15
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.29
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.44
RMS Deviations
Key Refinement Restraint Deviation
r_xyhbond_nbd_refined 0.125
r_symmetry_hbond_refined 0.126
r_nbtor_refined 0.303
r_gen_planes_refined 0.004
r_scbond_it 4.549
r_dihedral_angle_4_deg 21.627
r_mcbond_it 1.857
r_angle_refined_deg 1.2
r_bond_refined_d 0.01
r_dihedral_angle_1_deg 5.615
r_chiral_restr 0.079
r_nbd_refined 0.188
r_scangle_it 6.403
r_mcangle_it 2.814
r_dihedral_angle_2_deg 34.677
r_symmetry_vdw_refined 0.133
r_dihedral_angle_3_deg 14.673
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2234
Nucleic Acid Atoms 0
Heterogen Atoms 25
Solvent Atoms 148

Software

Software
Software Name Purpose
REFMAC refinement version: 5.2.0019
HKL-2000 data reduction
HKL-2000 data scaling
REFMAC phasing