1G9J

X-TAL STRUCTURE OF THE MUTANT E44Q OF THE CELLULASE CEL48F IN COMPLEX WITH A THIOOLIGOSACCHARIDE


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.5290HEPES, PEG 4000, CaCl2, thiooligosaccharide IG12, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 290K
Crystal Properties
Matthew coefficientSolvent content
2.2445.02

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 61.48α = 90
b = 84.72β = 90
c = 121.81γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray290IMAGE PLATEMARRESEARCHOsmic confocal mirrors2000-10-05MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODEENRAF-NONIUS FU5811.5418

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)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
11.95099.70.0778.13.75075345078215.6
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1.91.97990.3991.73.212065

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONTHROUGHOUT1.949.7650697258599.40.1820.1820.207OTHER19.2
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]
0.43-2.62.18
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d21.7
c_scangle_it1.4
c_angle_deg1.2
c_scbond_it0.93
c_mcangle_it0.89
c_improper_angle_d0.73
c_mcbond_it0.52
c_bond_d0.005
c_angle_deg_prot
c_bond_d_na
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d21.7
c_scangle_it1.4
c_angle_deg1.2
c_scbond_it0.93
c_mcangle_it0.89
c_improper_angle_d0.73
c_mcbond_it0.52
c_bond_d0.005
c_angle_deg_prot
c_bond_d_na
c_angle_d
c_dihedral_angle_d_prot
c_angle_d_na
c_improper_angle_d_na
c_improper_angle_d_prot
c_angle_d_prot
c_bond_d_prot
c_angle_deg_na
c_dihedral_angle_d_na
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5101
Nucleic Acid Atoms
Solvent Atoms375
Heterogen Atoms92

Software

Software
Software NamePurpose
DENZOdata reduction
SCALAdata scaling
CNSrefinement
CCP4data scaling
CNSphasing