1L1E

Crystal Structure of Mycolic Acid Cyclopropane Synthase PcaA Complexed with S-adenosyl-L-homocysteine


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP4.8292PEG 6000, sodium acetate, n-octanoylsucrose, S-adenosyl-L-homocysteine, pH 4.8, VAPOR DIFFUSION, HANGING DROP, temperature 292K
Crystal Properties
Matthews coefficientSolvent content
238.53

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 45.34α = 90
b = 45.34β = 90
c = 446.02γ = 120
Symmetry
Space GroupP 65

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 4bent conical Si-mirror (Rh coating) bend cylindrical Ge(111) monochromator2000-08-20MSINGLE WAVELENGTH
21x-ray100CCDADSC QUANTUM 4bent cylindrical Si-mirror (Rh coating) Si(111) double-crystal monochromato2000-03-10MMAD
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 14-BM-C1APS14-BM-C
2SYNCHROTRONAPS BEAMLINE 14-BM-D0.9793, 0.9795, 0.9641APS14-BM-D

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
1,22309833417333053319.3
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
22.0793.4

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMADTHROUGHOUT228.2133341732625161995.70.2350.2220.2220.27RANDOM33.9
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]
21.832-4.01
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d21.8
c_scangle_it2.89
c_mcangle_it2.3
c_scbond_it2.06
c_mcbond_it1.5
c_angle_deg1.3
c_improper_angle_d0.84
c_bond_d0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4331
Nucleic Acid Atoms
Solvent Atoms200
Heterogen Atoms60

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
SHARPphasing
CNSrefinement