X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.75
Details 150 MM NACL, 2-3M AMMONIUM SULPHATE, 100 MM NA ACETATE BUFFER PH 4.75

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 38.69 α = 90
b = 67.35 β = 106.57
c = 52.58 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 2007-02-12
Diffraction Radiation
Monochromator Protocol
SI111 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 24 98.3 0.12 -- -- 5.4 -- 136867 -- 0.0 6.5
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)
1.0 1.02 77.3 0.36 -- 2.2 1.9 --

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 1.0 24.0 -- -- -- 129879 6887 98.08 -- 0.12501 0.12388 0.14677 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 0.999 1.025 -- 404 7650 0.285 0.283 -- 78.4
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 11.343
Anisotropic B[1][1] -0.18
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -0.95
Anisotropic B[2][2] -0.35
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.01
RMS Deviations
Key Refinement Restraint Deviation
r_rigid_bond_restr 1.351
r_scangle_it 4.485
r_scbond_it 3.178
r_mcangle_it 2.381
r_mcbond_other 0.545
r_mcbond_it 1.652
r_gen_planes_other 0.003
r_gen_planes_refined 0.009
r_chiral_restr 0.123
r_dihedral_angle_4_deg 10.806
r_dihedral_angle_3_deg 11.703
r_dihedral_angle_2_deg 38.841
r_dihedral_angle_1_deg 6.98
r_angle_other_deg 1.533
r_angle_refined_deg 1.838
r_bond_other_d 0.003
r_bond_refined_d 0.018
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2216
Nucleic Acid Atoms 0
Heterogen Atoms 42
Solvent Atoms 624

Software

Computing
Computing Package Purpose
HKL2000 Data Reduction (intensity integration)
HKL2000 Data Reduction (data scaling)
MOLREP Structure Solution
REFMAC 5.5.0106 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.5.0106 refinement
MOLREP model building