1E0V

Xylanase 10A from Sreptomyces lividans. cellobiosyl-enzyme intermediate at 1.7 A


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelOtherNATIVE STRUCTURE AT 1.2

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
17.5PROTEIN WAS CRYSTALLISED WITH 16 % PEG 4000 AS PRECIPITANT,100MM HEPES PH 7.5 AS BUFFER, 10% ISOPROPANOL, CRYSTAL WERE SOAKED IN PRESENCE OF POWDERED SUBSTR
Crystal Properties
Matthews coefficientSolvent content
2.244.3

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 67.87α = 90
b = 46.27β = 90
c = 87.07γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMARRESEARCH1999-09-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RU200

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
11.715970.03236.54.329439217.5
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)
11.71.76820.1219.44.9

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTNATIVE STRUCTURE AT 1.21.715287741538970.1580.199RANDOM
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]
RMS Deviations
KeyRefinement Restraint Deviation
p_transverse_tor26.3
p_staggered_tor12.4
p_scangle_it4.021
p_scbond_it3.22
p_planar_tor3.2
p_mcangle_it2.749
p_mcbond_it2.059
p_multtor_nbd0.24
p_singtor_nbd0.16
p_xyhbond_nbd0.15
RMS Deviations
KeyRefinement Restraint Deviation
p_transverse_tor26.3
p_staggered_tor12.4
p_scangle_it4.021
p_scbond_it3.22
p_planar_tor3.2
p_mcangle_it2.749
p_mcbond_it2.059
p_multtor_nbd0.24
p_singtor_nbd0.16
p_xyhbond_nbd0.15
p_chiral_restr0.093
p_angle_d0.022
p_planar_d0.022
p_plane_restr0.018
p_bond_d0.007
p_angle_deg
p_hb_or_metal_coord
p_xhyhbond_nbd
p_orthonormal_tor
p_special_tor
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2314
Nucleic Acid Atoms
Solvent Atoms505
Heterogen Atoms22

Software

Software
Software NamePurpose
REFMACrefinement
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing