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 = 78.32 α = 90
b = 78.32 β = 90
c = 36.99 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
1.73 50 99.9 0.03 -- -- 13.5 -- 12516 -- 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 1.73 55.38 -- -- -- 11906 601 99.9 -- 0.175 0.174 0.214 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 1.73 1.77 -- 44 858 0.222 0.328 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 17.32
Anisotropic B[1][1] 0.21
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.21
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.42
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_1_deg 6.117
r_dihedral_angle_4_deg 19.506
r_chiral_restr 0.128
r_dihedral_angle_3_deg 13.651
r_mcangle_it 1.673
r_dihedral_angle_2_deg 37.437
r_symmetry_hbond_refined 0.233
r_nbtor_refined 0.3
r_nbd_refined 0.218
r_bond_refined_d 0.016
r_xyhbond_nbd_refined 0.15
r_scbond_it 2.611
r_angle_refined_deg 1.502
r_symmetry_vdw_refined 0.238
r_gen_planes_refined 0.007
r_scangle_it 3.953
r_mcbond_it 0.935
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1001
Nucleic Acid Atoms 0
Heterogen Atoms 9
Solvent Atoms 141

Software

Software
Software Name Purpose
REFMAC refinement version: 5.2.0019
HKL-2000 data reduction
HKL-2000 data scaling