X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.5
Details 0.9 M (NH4)2HPO4, 0.1 M SODIUM CITRATE PH=5.5, 0.2M NACL

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 96.24 α = 90
b = 96.24 β = 90
c = 80.46 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 MARRESEARCH -- 2008-05-29
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
3.1 42.1 93.8 0.16 -- -- 8.7 -- 7338 -- 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)
3.1 3.18 61.8 0.52 -- 2.1 5.2 --

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 3.1 42.11 -- -- -- 6951 364 93.95 -- 0.2185 0.2161 0.26276 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 3.099 3.179 -- 19 338 0.33 0.446 -- 61.98
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 49.685
Anisotropic B[1][1] 4.09
Anisotropic B[1][2] 2.04
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 4.09
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -6.13
RMS Deviations
Key Refinement Restraint Deviation
r_scbond_it 5.603
r_dihedral_angle_4_deg 16.028
r_nbtor_refined 0.331
r_mcbond_it 2.502
r_dihedral_angle_2_deg 43.116
r_nbd_refined 0.274
r_angle_refined_deg 0.727
r_xyhbond_nbd_refined 0.128
r_mcangle_it 4.949
r_symmetry_hbond_refined 0.1
r_dihedral_angle_1_deg 0.491
r_chiral_restr 0.06
r_symmetry_vdw_refined 0.309
r_dihedral_angle_3_deg 8.245
r_scangle_it 8.699
r_bond_refined_d 0.002
r_gen_planes_refined 0.003
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2231
Nucleic Acid Atoms 0
Heterogen Atoms 12
Solvent Atoms 12

Software

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