1GK0

Structure-based prediction of modifications in glutarylamidase to allow single-step enzymatic production of 7-aminocephalosporanic acid from cephalosporin C


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8291CRYSTALS GROWN AT 18 C, HANGING DROP PRECIPITATION AGENT: 1.5-2.0 M POTASSIUM PHOSPHATE PH:7.0 -9.0, pH 8.00
Crystal Properties
Matthews coefficientSolvent content
358

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 228.366α = 90
b = 69.91β = 97.57
c = 113.55γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMAR scanner 345 mm plateMMAD
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE BM140.8854,0.9776,0.9779ESRFBM14

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
12.52096.80.0452.0511868620.4
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)
12.52.679.40.0951.63

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 DIFFRACTIONMADTHROUGHOUT2.519.48118686358598.70.2070.2070.222RANDOM14.1
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]
-5.31-0.216.52-1.21
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d24.3
c_scangle_it2.21
c_scbond_it1.55
c_angle_deg1.4
c_mcangle_it1.36
c_improper_angle_d0.86
c_mcbond_it0.85
c_bond_d0.007
c_bond_d_na
c_bond_d_prot
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d24.3
c_scangle_it2.21
c_scbond_it1.55
c_angle_deg1.4
c_mcangle_it1.36
c_improper_angle_d0.86
c_mcbond_it0.85
c_bond_d0.007
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms10650
Nucleic Acid Atoms
Solvent Atoms704
Heterogen Atoms18

Software

Software
Software NamePurpose
CNSrefinement
XDSdata reduction
XDSdata scaling
XSCALEdata scaling
CNSphasing