1UOZ

Structure of the endoglucanase Cel6 from Mycobacterium tuberculosis in complex with thiocellopentaose at 1.1 angstrom


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1TMLPDB ENTRY 1TML

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
17.514 % PEG 4K, 100 MM HEPES 7.5, 200 MM LISO4. THE PROTEIN WAS AT 10MG/ML AND INCUBATED WITH 1 MM OF THIOCELLOPENTAOSE FOR 1HR PRIOR. CRYSTALLISATION. 20% GLYCEROL WAS ADDED AS CRYOPROTECTANT, pH 7.50
Crystal Properties
Matthews coefficientSolvent content
2.0338.81

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 61.94α = 90
b = 92.627β = 90
c = 46.677γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray120CCDADSC CCD2002-03-15MSINGLE 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
11.151.299.70.075175.11091012
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)
11.11.1699.10.1237.94.4

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 1TML1.151.3103639546499.60.1130.1120.13RANDOM7.85
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]
0.03-0.140.11
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_1_deg5.952
r_sphericity_free5.355
r_sphericity_bonded3.521
r_scangle_it3.363
r_scbond_it2.47
r_mcangle_it1.939
r_angle_refined_deg1.762
r_rigid_bond_restr1.332
r_mcbond_it1.318
r_angle_other_deg0.938
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_1_deg5.952
r_sphericity_free5.355
r_sphericity_bonded3.521
r_scangle_it3.363
r_scbond_it2.47
r_mcangle_it1.939
r_angle_refined_deg1.762
r_rigid_bond_restr1.332
r_mcbond_it1.318
r_angle_other_deg0.938
r_symmetry_vdw_other0.28
r_nbd_other0.26
r_nbd_refined0.231
r_symmetry_vdw_refined0.15
r_symmetry_hbond_refined0.149
r_xyhbond_nbd_refined0.139
r_chiral_restr0.112
r_nbtor_other0.086
r_bond_refined_d0.015
r_gen_planes_refined0.01
r_gen_planes_other0.008
r_bond_other_d0.003
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
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2199
Nucleic Acid Atoms
Solvent Atoms495
Heterogen Atoms51

Software

Software
Software NamePurpose
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling
AMoREphasing