X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 2.2 M AMMONIUM SULPHATE, 0.1 M TRIS PH 7.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 103.45 α = 90
b = 103.45 β = 90
c = 192.62 γ = 90
Symmetry
Space Group P 41

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2008-04-02
Diffraction Radiation
Monochromator Protocol
KMC-2 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
2.95 103 99.0 0.06 -- -- 4.8 -- 41850 -- 2.0 --
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)
2.95 3.0 84.0 0.3 -- 3.8 3.4 --

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 2.95 103.69 -- -- -- 39182 2057 97.3 -- 0.237 0.235 0.264 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 2.95 3.03 -- 162 2576 0.31 0.352 -- 88.21
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 54.78
Anisotropic B[1][1] 3.94
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 3.94
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -7.89
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 0.823
r_scbond_it 0.465
r_mcangle_it 0.619
r_mcbond_it 0.343
r_nbd_refined 0.175
r_gen_planes_refined 0.002
r_chiral_restr 0.065
r_dihedral_angle_4_deg 17.867
r_dihedral_angle_3_deg 16.065
r_dihedral_angle_2_deg 35.86
r_dihedral_angle_1_deg 4.698
r_angle_refined_deg 0.944
r_bond_refined_d 0.006
r_nbtor_refined 0.297
r_xyhbond_nbd_refined 0.11
r_symmetry_vdw_refined 0.15
r_symmetry_hbond_refined 0.038
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7400
Nucleic Acid Atoms 0
Heterogen Atoms 131
Solvent Atoms 24

Software

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