4J3S

Crystal structure of barley limit dextrinase soaked with 300mM maltotetraose


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2Y4S 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP29820% PEG 3350, 0.3M NaI, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
1.9737.53

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 169.26α = 90
b = 81.24β = 101.14
c = 58.23γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315r2012-06-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID23-10.992ESRFID23-1

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
11.755098.80.0614.4477622-327.005
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.751.85970.4780.5692.77

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 REPLACEMENTTHROUGHOUT2Y4S1.7546.9677407387199.220.1380.13570.1816RANDOM23.1793
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]
0.01
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.458
r_sphericity_free27.381
r_dihedral_angle_4_deg15.113
r_dihedral_angle_3_deg12.765
r_sphericity_bonded6.489
r_dihedral_angle_1_deg5.613
r_rigid_bond_restr2.863
r_angle_refined_deg1.133
r_angle_other_deg1
r_chiral_restr0.067
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.458
r_sphericity_free27.381
r_dihedral_angle_4_deg15.113
r_dihedral_angle_3_deg12.765
r_sphericity_bonded6.489
r_dihedral_angle_1_deg5.613
r_rigid_bond_restr2.863
r_angle_refined_deg1.133
r_angle_other_deg1
r_chiral_restr0.067
r_bond_refined_d0.006
r_gen_planes_refined0.004
r_bond_other_d0.001
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6626
Nucleic Acid Atoms
Solvent Atoms538
Heterogen Atoms137

Software

Software
Software NamePurpose
XSCALEdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
DNAdata collection
XDSdata reduction
REFMACphasing