X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6
Temperature 293.0
Details 0.1M MALEIC ACID/NAOH, 10% GLYCEROL, PH 6.00, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 56.55 α = 90
b = 56.55 β = 90
c = 92.89 γ = 120
Symmetry
Space Group P 31 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 98
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2004-11-14
Diffraction Radiation
Monochromator Protocol
SILICON SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 -- ESRF ID14-4

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
1.8 30 99.2 0.057 -- -- 5.4 -- 9942 -- 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)
1.8 1.86 99.9 0.49 -- 2.2 -- --

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 2.1 28.27 -- -- 9844 9844 539 98.87 -- 0.23763 0.23542 0.27417 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 2.1 2.155 -- 51 713 0.228 0.307 -- 100.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 35.623
Anisotropic B[1][1] 0.45
Anisotropic B[1][2] 0.22
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.45
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.67
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_3_deg 18.59
r_chiral_restr 0.139
r_scbond_it 3.364
r_gen_planes_refined 0.009
r_bond_refined_d 0.021
r_nbtor_refined 0.319
r_dihedral_angle_4_deg 18.723
r_nbd_refined 0.23
r_symmetry_hbond_refined 0.154
r_dihedral_angle_1_deg 8.099
r_dihedral_angle_2_deg 35.482
r_xyhbond_nbd_refined 0.212
r_mcangle_it 3.015
r_mcbond_it 2.186
r_scangle_it 4.683
r_angle_refined_deg 1.782
r_symmetry_vdw_refined 0.254
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 935
Nucleic Acid Atoms 0
Heterogen Atoms 36
Solvent Atoms 92

Software

Software
Software Name Purpose
REFMAC refinement version: 5.1.24
ADSC data collection version: Quantum
DENZO data reduction
SCALEPACK data scaling
EPMR phasing