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 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_scangle_it 1.353
r_scbond_it 0.969
r_mcangle_it 0.511
r_mcbond_it 0.294
r_nbd_refined 0.193
r_gen_planes_refined 0.005
r_chiral_restr 0.09
r_dihedral_angle_4_deg 16.845
r_dihedral_angle_3_deg 14.548
r_dihedral_angle_2_deg 36.104
r_dihedral_angle_1_deg 6.343
r_angle_refined_deg 1.254
r_bond_refined_d 0.013
r_nbtor_refined 0.306
r_xyhbond_nbd_refined 0.171
r_metal_ion_refined 0.085
r_symmetry_vdw_refined 0.246
r_symmetry_hbond_refined 0.22
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

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