2AE5 | pdb_00002ae5

Glutaryl 7-Aminocephalosporanic Acid Acylase: mutational study of activation mechanism


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7295PEG 8000, Tris, magnesium chloride, cacodylate, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Crystal Properties
Matthews coefficientSolvent content
3.463.5

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 73.736α = 90
b = 73.736β = 90
c = 383.349γ = 90
Symmetry
Space GroupP 41 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 2102005-05-23MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONPAL/PLS BEAMLINE 4A0.95PAL/PLS4A

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
12.195.3590.50.0955.757515
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)
12.12.18810.4535

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Work (Depositor)R-Free (Depositor)R-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT2.245048502247292.460.1750.1730.209RANDOM23.787
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]
0.780.78-1.55
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_1_deg6.018
r_scangle_it2.412
r_sphericity_free2.396
r_scbond_it1.472
r_angle_refined_deg1.231
r_mcangle_it1.103
r_sphericity_bonded0.95
r_rigid_bond_restr0.833
r_angle_other_deg0.827
r_mcbond_it0.616
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5363
Nucleic Acid Atoms
Solvent Atoms382
Heterogen Atoms11

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
CNSrefinement
REFMACrefinement
PDB_EXTRACTdata extraction
HKL-2000data reduction
CNSphasing