6GCY

Joint neutron and x-ray crystal structure of human carbonic anhydrase IX mimic (saccharin-sugar conjugate complex)


X-RAY DIFFRACTION - NEUTRON DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP8.52931.2 M sodium citrate, 0.1 M Tris pH 8.5 in Hampton sandwich box set-ups. Drops were 150-250 uL and we set-up in a 1:1 ratio. To get the complex with SGC ligand we did "dry co-crystallization".
Crystal Properties
Matthews coefficientSolvent content
2.1643.07

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 42.61α = 90
b = 41.94β = 104.01
c = 72.77γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray293CCDADSC QUANTUM 315r2016-12-15MSINGLE WAVELENGTH
21neutron293IMAGE PLATEMAATEL IMAGINE2018-03-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE BM30A1.04ESRFBM30A
2NUCLEAR REACTORFRM II BEAMLINE BIODIFF2.66FRM IIBIODIFF

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym I (Observed)Rrim I (All)Rpim I (All)CC (Half)R Split (All)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
11.33697.60.05122.37.360056
2250930.1683.92.316153
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)R Merge I (Observed)R-Sym I (Observed)Rrim I (All)Rpim I (All)CC (Half)R Split (All)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.31.40.524
222.060.469

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (High)Resolution (Low)Cut-off Sigma (I)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENT1.320.971.3760047360197.620.14840.14780.1551
NEUTRON DIFFRACTIONMOLECULAR REPLACEMENT229.0091.516142160392.950.19310.1910.2122
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d19.992
f_dihedral_angle_d19.992
f_angle_d1.173
f_angle_d1.173
f_chiral_restr0.092
f_chiral_restr0.092
f_bond_d0.009
f_bond_d0.009
f_plane_restr0.006
f_plane_restr0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2052
Nucleic Acid Atoms
Solvent Atoms209
Heterogen Atoms31

Software

Software
Software NamePurpose
PHENIXrefinement
HKL-2000data reduction
HKL-2000data scaling
PHENIXphasing