3A71

High resolution structure of Penicillium chrysogenum alpha-L-arabinanase


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
14.527728% MPD, 0.1M sodium acetate, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 277.0K
Crystal Properties
Matthews coefficientSolvent content
2.6152.81

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 66.877α = 90
b = 77.248β = 90
c = 79.441γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152006-11-13MMAD
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSPRING-8 BEAMLINE BL41XU0.9792, 0.9794, 0.9700SPring-8BL41XU

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
11.141099.70.11327.214940710.7
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)
11.141.18990.3425.46.9

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMADFREE R1.1410141611141611745994.70.10670.1283RANDOM8.17
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
26523336
RMS Deviations
KeyRefinement Restraint Deviation
s_anti_bump_dis_restr0.133
s_approx_iso_adps0.095
s_zero_chiral_vol0.094
s_non_zero_chiral_vol0.087
s_similar_adp_cmpnt0.037
s_from_restr_planes0.0336
s_angle_d0.03
s_bond_d0.016
s_rigid_bond_adp_cmpnt0.005
s_similar_dist
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2771
Nucleic Acid Atoms
Solvent Atoms537
Heterogen Atoms28

Software

Software
Software NamePurpose
HKL-2000data collection
SOLVEphasing
REFMACrefinement
DENZOdata reduction
SCALEPACKdata scaling
SHELXL-97refinement