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 = 96.99 α = 90
b = 96.99 β = 90
c = 80.87 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
2.2 48.6 96.0 0.09 -- -- 8.6 -- 21175 -- 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 2.28 71.3 0.45 -- 2.25 4.8 --

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 48.62 -- -- -- 20074 1065 95.97 -- 0.1715 0.16994 0.20075 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 2.2 2.257 -- 46 1081 0.218 0.288 -- 69.35
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 18.238
Anisotropic B[1][1] -0.5
Anisotropic B[1][2] -0.25
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.5
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.75
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_3_deg 14.985
r_bond_refined_d 0.01
r_xyhbond_nbd_refined 0.142
r_dihedral_angle_4_deg 17.42
r_gen_planes_refined 0.004
r_angle_refined_deg 1.214
r_mcbond_it 1.904
r_dihedral_angle_1_deg 5.742
r_dihedral_angle_2_deg 33.818
r_chiral_restr 0.08
r_nbtor_refined 0.304
r_scbond_it 4.709
r_symmetry_hbond_refined 0.108
r_nbd_refined 0.187
r_mcangle_it 2.815
r_scangle_it 6.381
r_symmetry_vdw_refined 0.151
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2234
Nucleic Acid Atoms 0
Heterogen Atoms 22
Solvent Atoms 132

Software

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