1OCB

Structure of the wild-type cellobiohydrolase Cel6A from Humicolas insolens in complex with a fluorescent substrate


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2BVWPDB ENTRY 2BVW

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
14.6THE PROTEIN WAS CONCENTRATED IN WATER TO 7 MG/ML IT WAS INCUBATED 1H PRIOR CRYSTALLISATION WITH THE 5MM OF THE SUBSTRATE 16% PEG5KMME AND 200 MM CALCIUM ACETATE WERE USED AS PRECIPITANT AND 100 MM SODIUM ACETATE PH 4.6 AS BUFFER.
Crystal Properties
Matthews coefficientSolvent content
2.141.7

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 49.763α = 90
b = 155.681β = 118.42
c = 51.218γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC CCD2000-11-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID14-4ESRFID14-4

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
11.754097.50.04117.32.2694182
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)
11.751.8191.30.12862

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (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 REPLACEMENTTHROUGHOUTPDB ENTRY 2BVW1.7538.9263815339497.70.1350.1330.168RANDOM9.06
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]
1.680.25-1.26-0.17
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_1_deg5.904
r_scangle_it3.5
r_scbond_it2.331
r_angle_refined_deg1.578
r_mcangle_it1.348
r_angle_other_deg0.911
r_mcbond_it0.796
r_symmetry_vdw_other0.258
r_nbd_other0.255
r_nbd_refined0.221
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_1_deg5.904
r_scangle_it3.5
r_scbond_it2.331
r_angle_refined_deg1.578
r_mcangle_it1.348
r_angle_other_deg0.911
r_mcbond_it0.796
r_symmetry_vdw_other0.258
r_nbd_other0.255
r_nbd_refined0.221
r_symmetry_vdw_refined0.18
r_symmetry_hbond_refined0.154
r_xyhbond_nbd_refined0.131
r_chiral_restr0.1
r_nbtor_other0.083
r_bond_refined_d0.016
r_gen_planes_refined0.009
r_gen_planes_other0.006
r_bond_other_d0.002
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_xyhbond_nbd_other
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 Atoms5630
Nucleic Acid Atoms
Solvent Atoms715
Heterogen Atoms230

Software

Software
Software NamePurpose
REFMACrefinement
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing