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 = 95.75 α = 90
b = 95.75 β = 90
c = 80.93 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 -- 2008-06-19
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
2.13 48.6 94.8 0.06 -- -- 9.0 -- 22397 -- 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)
2.13 2.21 63.1 0.32 -- 3.1 4.4 --

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 2.13 48.62 -- -- -- 21246 1123 94.8 -- 0.1779 0.17609 0.21151 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 2.131 2.187 -- 45 990 0.208 0.263 -- 60.21
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 52.464
Anisotropic B[1][1] -0.26
Anisotropic B[1][2] -0.13
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.26
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.39
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_1_deg 5.512
r_scangle_it 6.479
r_mcbond_it 2.095
r_mcangle_it 3.074
r_dihedral_angle_4_deg 15.684
r_nbtor_refined 0.305
r_symmetry_hbond_refined 0.107
r_xyhbond_nbd_refined 0.119
r_chiral_restr 0.083
r_bond_refined_d 0.011
r_nbd_refined 0.192
r_gen_planes_refined 0.005
r_dihedral_angle_3_deg 15.154
r_symmetry_vdw_refined 0.163
r_angle_refined_deg 1.246
r_dihedral_angle_2_deg 34.624
r_scbond_it 4.815
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2234
Nucleic Acid Atoms 0
Heterogen Atoms 25
Solvent Atoms 108

Software

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