X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.2
Details PLEASE REFER TO RESEARCH PAPER, pH 4.2

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 78.35 α = 90
b = 78.35 β = 90
c = 37 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2004-12-06
Diffraction Radiation
Monochromator Protocol
SI 111 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
1.7 50 100.0 0.04 -- -- 27.4 -- 13178 -- 2.0 --

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
SAD 1.7 55.38 -- -- -- 12525 647 99.96 -- 0.18515 0.18302 0.22789 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 1.7 1.744 -- 37 901 0.209 0.222 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 16.287
Anisotropic B[1][1] 0.25
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.25
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.5
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 3.387
r_scbond_it 2.168
r_mcangle_it 1.374
r_mcbond_it 0.749
r_nbd_refined 0.213
r_gen_planes_refined 0.005
r_chiral_restr 0.107
r_dihedral_angle_4_deg 17.533
r_dihedral_angle_3_deg 12.859
r_dihedral_angle_2_deg 36.755
r_dihedral_angle_1_deg 5.887
r_angle_refined_deg 1.278
r_bond_refined_d 0.011
r_nbtor_refined 0.299
r_xyhbond_nbd_refined 0.122
r_symmetry_vdw_refined 0.257
r_symmetry_hbond_refined 0.201
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1001
Nucleic Acid Atoms 0
Heterogen Atoms 9
Solvent Atoms 117

Software

Computing
Computing Package Purpose
HKL-2000 Data Reduction (intensity integration)
HKL-2000 Data Reduction (data scaling)
REFMAC 5.2.0019 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.2.0019 refinement