3H53

Crystal Structure of human alpha-N-acetylgalactosaminidase


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1KTBPDB ENTRY 1KTB

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP4.1293PEG3350, citric acid, Bis-Tris propane, pH 4.1, vapor diffusion, hanging drop, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
3.2762.41

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 153.532α = 90
b = 114.26β = 96.11
c = 68.408γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU RAXIS IV++Osmic Blue2008-05-12MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RUH3R1.54

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
12.015099.30.085299.97778539.9
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.012.08930.613.28.27283

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 REPLACEMENTTHROUGHOUTPDB ENTRY 1KTB2.015077775391699.50.1630.1610.194RANDOM29.358
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]
0.783.62-1.851.84
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.706
r_dihedral_angle_4_deg18.136
r_dihedral_angle_3_deg13.364
r_dihedral_angle_1_deg5.598
r_scangle_it4.299
r_mcangle_it2.952
r_scbond_it2.947
r_mcbond_it2.079
r_angle_refined_deg1.048
r_chiral_restr0.072
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.706
r_dihedral_angle_4_deg18.136
r_dihedral_angle_3_deg13.364
r_dihedral_angle_1_deg5.598
r_scangle_it4.299
r_mcangle_it2.952
r_scbond_it2.947
r_mcbond_it2.079
r_angle_refined_deg1.048
r_chiral_restr0.072
r_bond_refined_d0.007
r_gen_planes_refined0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6162
Nucleic Acid Atoms
Solvent Atoms735
Heterogen Atoms339

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing
REFMACrefinement
PDB_EXTRACTdata extraction
HKL-2000data collection
HKL-2000data reduction
HKL-2000data scaling