1H2J

ENDOGLUCANASE CEL5A IN COMPLEX WITH UNHYDROLYSED AND COVALENTLY LINKED 2,4-DINITROPHENYL-2-DEOXY-2-FLUORO-CELLOBIOSIDE AT 1.15 A RESOLUTION


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 4A3HPDB ENTRY 4A3H USED AS STARTING MODEL WITHOUT WATER AND SUBSTRATE

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
14.6PROTEIN CONCENTRATION 20MG/ML, 2M AMMONIUM SULPHATE, 25% GLYCEROL AS CRYOPROTECTANT, pH 4.60
Crystal Properties
Matthews coefficientSolvent content
1.935.58

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 54.355α = 90
b = 69.572β = 90
c = 77.091γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMARRESEARCH1999-10-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONEMBL/DESY, HAMBURG BEAMLINE BW7BEMBL/DESY, HAMBURGBW7B

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
11.154099.60.05429.34.4103556
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)
11.151.1999.70.364.33.7

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 4A3H USED AS STARTING MODEL WITHOUT WATER AND SUBSTRATE1.154098396520699.30.1180.1170.136RANDOM10.44
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]
1.38-0.78-0.59
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_1_deg6.419
r_sphericity_free5.534
r_scangle_it4.02
r_sphericity_bonded3.991
r_scbond_it2.794
r_mcangle_it2.222
r_angle_other_deg2.066
r_angle_refined_deg1.765
r_rigid_bond_restr1.645
r_mcbond_it1.543
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_1_deg6.419
r_sphericity_free5.534
r_scangle_it4.02
r_sphericity_bonded3.991
r_scbond_it2.794
r_mcangle_it2.222
r_angle_other_deg2.066
r_angle_refined_deg1.765
r_rigid_bond_restr1.645
r_mcbond_it1.543
r_symmetry_vdw_other0.326
r_nbd_other0.269
r_nbd_refined0.22
r_symmetry_hbond_refined0.192
r_symmetry_vdw_refined0.157
r_xyhbond_nbd_refined0.144
r_chiral_restr0.118
r_nbtor_other0.083
r_bond_refined_d0.016
r_gen_planes_refined0.011
r_gen_planes_other0.007
r_bond_other_d0.001
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 Atoms2377
Nucleic Acid Atoms
Solvent Atoms378
Heterogen Atoms52

Software

Software
Software NamePurpose
REFMACrefinement
DENZOdata reduction
SCALEPACKdata scaling
CCP4phasing