X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.2
Details 100 MM IMIDAZOLE,1.1-1.6 M SODIUM ACETATE, 1 MM 1,3-DIAMINO-PROPANE, PH 6.2, 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 38.16 α = 90
b = 99.94 β = 96.59
c = 79.42 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD MIRRORS 2005-07-11
Diffraction Radiation
Monochromator Protocol
SI 111 SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX14.2 -- SRS PX14.2

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 31.1 97.4 0.1 -- -- 4.0 -- 38877 -- 1.0 13.02
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)
2.0 2.11 87.1 0.2 -- 3.7 3.8 --

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 2.0 33.71 -- -- -- 36902 1948 100.0 -- 0.18157 0.17868 0.23683 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 2.0 2.052 -- 113 2184 0.182 0.284 -- 100.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 5.68
Anisotropic B[1][1] -0.17
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -0.22
Anisotropic B[2][2] -0.17
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.29
RMS Deviations
Key Refinement Restraint Deviation
r_xyhbond_nbd_refined 0.171
r_gen_planes_refined 0.005
r_chiral_restr 0.09
r_mcangle_it 0.511
r_dihedral_angle_1_deg 6.343
r_nbd_refined 0.193
r_dihedral_angle_2_deg 36.104
r_dihedral_angle_3_deg 14.548
r_metal_ion_refined 0.085
r_symmetry_hbond_refined 0.22
r_dihedral_angle_4_deg 16.845
r_scbond_it 0.969
r_nbtor_refined 0.306
r_symmetry_vdw_refined 0.246
r_angle_refined_deg 1.254
r_bond_refined_d 0.013
r_scangle_it 1.353
r_mcbond_it 0.294
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4964
Nucleic Acid Atoms 0
Heterogen Atoms 161
Solvent Atoms 683

Software

Software
Software Name Purpose
REFMAC refinement version: 5.2.0019
MOSFLM data reduction
SCALA data scaling
PHASER phasing