3D5Y

High resolution crystal structure of 1,5-alpha-arabinanase catalytic mutant (AbnBE201A)


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8.52951.9M lithium sulfate, 0.1M Tris buffer pH 8.5, 4%(w/v) PEG 400, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Crystal Properties
Matthews coefficientSolvent content
2.0439.83

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 85.854α = 90
b = 89.672β = 90
c = 75.503γ = 90
Symmetry
Space GroupC 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2005-06-26MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSLS BEAMLINE X10SA0.978578SLSX10SA

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
11.2250960.0680.05916.616865438308811.1
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)
1.221.240.240.26810.33707

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONAB INITIOFREE RPDB ENTRY 3CU91.22307890278902415090.10.1580.15810.1923RANDOM17.8
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]
Coordinate Error
Structure Solution MethodRefinement High ResolutionRefinement Low Resolution
2797.5
RMS Deviations
KeyRefinement Restraint Deviation
s_non_zero_chiral_vol0.082
s_zero_chiral_vol0.074
s_similar_adp_cmpnt0.046
s_from_restr_planes0.0318
s_angle_d0.029
s_anti_bump_dis_restr0.027
s_bond_d0.012
s_rigid_bond_adp_cmpnt0.004
s_similar_dist
s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2516
Nucleic Acid Atoms
Solvent Atoms278
Heterogen Atoms1

Software

Software
Software NamePurpose
SHELXmodel building
SHELXL-97refinement
HKL-2000data collection
HKL-2000data reduction
HKL-2000data scaling
SHELXphasing