X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.75
Details 3.0M AMMONIUM SULPHATE, 0.1M NACL, 50MM ACETATE BUFFER, pH 4.75

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 38.6 α = 90
b = 67.37 β = 106.54
c = 52.53 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 MARRESEARCH MIRRORS 2005-09-29
Diffraction Radiation
Monochromator Protocol
SILICON SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX10.1 -- SRS PX10.1

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
1.07 30 97.9 0.06 -- -- 3.7 -- 110674 -- 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)
1.07 1.11 87.4 0.34 -- 2.5 2.3 --

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 1.07 27.0 -- -- -- 105769 4401 97.3 -- 0.132 0.131 0.158 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 1.07 1.1 -- 237 6129 0.334 0.362 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 10.23
Anisotropic B[1][1] -0.23
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.02
Anisotropic B[2][2] 0.05
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.2
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 4.39
r_scbond_it 3.316
r_mcangle_it 2.607
r_mcbond_it 1.904
r_nbd_refined 0.256
r_gen_planes_other 0.009
r_gen_planes_refined 0.013
r_chiral_restr 0.125
r_dihedral_angle_4_deg 11.941
r_dihedral_angle_3_deg 11.606
r_dihedral_angle_2_deg 38.106
r_dihedral_angle_1_deg 10.356
r_angle_other_deg 1.68
r_angle_refined_deg 2.136
r_bond_other_d 0.003
r_bond_refined_d 0.022
r_nbd_other 0.202
r_nbtor_refined 0.167
r_nbtor_other 0.09
r_xyhbond_nbd_refined 0.283
r_symmetry_vdw_refined 0.28
r_symmetry_vdw_other 0.213
r_symmetry_hbond_refined 0.232
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2220
Nucleic Acid Atoms 0
Heterogen Atoms 31
Solvent Atoms 597

Software

Computing
Computing Package Purpose
HKL-2000 Data Reduction (intensity integration)
HKL-2000 Data Reduction (data scaling)
MOLREP Structure Solution
REFMAC 5.2.0005 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.2.0005 refinement
MOLREP model building