1GZ1

Mutant D416A of the CELLOBIOHYDROLASE CEL6A FROM HUMICOLA INSOLENS in complex with methyl-cellobiosyl-4-deoxy-4-thio-beta-D-cellobioside


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
14.6PROTEIN WAS CONCENTRATED TO 20 MG/ML IN WATER. CRYSTALLISATION IN 200MM MAGNESIUM ACETATE IN 100MM SODIUM ACETATE BUFFER AT PH 4.6. PRECIPITANT WAS 20%. POLYETHYLENE GLYCOL 5500.
Crystal Properties
Matthews coefficientSolvent content
2.0142

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 48.257α = 90
b = 68.38β = 112.39
c = 55.18γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC CCDTORROIDAL MIRROR2001-10-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID14-2ESRFID14-2

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
11.93099.10.06221.23.826197
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)
11.91.93980.284.63.7

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 DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1.93024685132499.20.1680.1660.211RANDOM17.18
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]
-0.8-1.06-0.710.7
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_3_deg18.757
r_dihedral_angle_1_deg5.001
r_scangle_it3.508
r_scbond_it2.206
r_angle_other_deg2.009
r_angle_refined_deg1.573
r_mcangle_it1.466
r_mcbond_it0.837
r_nbtor_other0.655
r_symmetry_vdw_refined0.358
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_3_deg18.757
r_dihedral_angle_1_deg5.001
r_scangle_it3.508
r_scbond_it2.206
r_angle_other_deg2.009
r_angle_refined_deg1.573
r_mcangle_it1.466
r_mcbond_it0.837
r_nbtor_other0.655
r_symmetry_vdw_refined0.358
r_symmetry_vdw_other0.301
r_nbd_refined0.244
r_symmetry_hbond_refined0.224
r_nbd_other0.216
r_xyhbond_nbd_refined0.133
r_chiral_restr0.105
r_xyhbond_nbd_other0.1
r_bond_refined_d0.014
r_gen_planes_refined0.006
r_gen_planes_other0.003
r_bond_other_d0.002
r_dihedral_angle_2_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2821
Nucleic Acid Atoms
Solvent Atoms270
Heterogen Atoms62

Software

Software
Software NamePurpose
REFMACrefinement
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing