3EBV

Crystal structure of putative Chitinase A from Streptomyces coelicolor.


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP10.52980.1 M CAPS pH 10.5, 2.0 M Ammonium sulfate, 0.2 M Lithium sulfate, Vapor diffusion, Sitting drop, temperature 298K, VAPOR DIFFUSION, SITTING DROP
Crystal Properties
Matthews coefficientSolvent content
3.4964.78

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 96.636α = 90
b = 96.636β = 90
c = 124.735γ = 120
Symmetry
Space GroupH 3

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152008-07-10SINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X29A0.979NSLSX29A

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym 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
11.55099.80.0880.07122.16.2701377013716.5
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1.51.5599.90.4540.4044.15.813903

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 DIFFRACTIONTHROUGHOUT1.528.2170126353599.820.1570.1560.169RANDOM16.785
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
r_dihedral_angle_2_deg35.162
r_dihedral_angle_4_deg11.632
r_dihedral_angle_3_deg10.327
r_dihedral_angle_1_deg5.562
r_scangle_it3.537
r_scbond_it2.314
r_mcangle_it1.515
r_angle_refined_deg1.463
r_mcbond_it1.032
r_nbtor_refined0.308
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.162
r_dihedral_angle_4_deg11.632
r_dihedral_angle_3_deg10.327
r_dihedral_angle_1_deg5.562
r_scangle_it3.537
r_scbond_it2.314
r_mcangle_it1.515
r_angle_refined_deg1.463
r_mcbond_it1.032
r_nbtor_refined0.308
r_nbd_refined0.208
r_symmetry_vdw_refined0.205
r_symmetry_hbond_refined0.137
r_xyhbond_nbd_refined0.118
r_chiral_restr0.103
r_bond_refined_d0.016
r_gen_planes_refined0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2171
Nucleic Acid Atoms
Solvent Atoms299
Heterogen Atoms5

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
CBASSdata collection
HKL-2000data reduction
SHELXDphasing
SHELXEmodel building
CCP4phasing