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 (MX-225) 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
2.2 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
OTHER 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_scangle_it 6.403
r_scbond_it 4.549
r_mcangle_it 2.814
r_mcbond_it 1.857
r_nbd_refined 0.188
r_gen_planes_refined 0.004
r_chiral_restr 0.079
r_dihedral_angle_4_deg 21.627
r_dihedral_angle_3_deg 14.673
r_dihedral_angle_2_deg 34.677
r_dihedral_angle_1_deg 5.615
r_angle_refined_deg 1.2
r_bond_refined_d 0.01
r_nbtor_refined 0.303
r_xyhbond_nbd_refined 0.125
r_symmetry_vdw_refined 0.133
r_symmetry_hbond_refined 0.126
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

Computing
Computing Package Purpose
HKL2000 Data Reduction (intensity integration)
HKL2000 Data Reduction (data scaling)
REFMAC Structure Solution
REFMAC 5.2.0019 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.2.0019 refinement
REFMAC model building