1T6D

MIRAS phasing of the Aquifex aeolicus Ppx/GppA phosphatase: crystal structure of the type II variant


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8.5293PEG4000, PEG400, TRIS, acetic acid, magnesium chloride, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.345

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 54.461α = 90
b = 83.565β = 97.39
c = 69.764γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 4Sagitally focusing Ge(220) and a multilayer2001-09-29MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID14-10.934ESRFID14-1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (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
12.153099.90.0760.07623.35.5664366643619.8
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.152.271000.2870.2878.85.510090

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)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 DIFFRACTIONPartial model produced by MIRAS phasingTHROUGHOUT2.1529.066639866398134899.90.2070.2060.2060.255RANDOM35.3
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]
-3.2714.41-1.14
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d21.4
c_scangle_it3.38
c_mcangle_it2.48
c_scbond_it2.25
c_mcbond_it1.55
c_angle_deg1.1
c_improper_angle_d0.71
c_bond_d0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4850
Nucleic Acid Atoms
Solvent Atoms334
Heterogen Atoms10

Software

Software
Software NamePurpose
CNSrefinement
MOSFLMdata reduction
CCP4data scaling
SOLVEphasing
SHARPphasing
ARP/wARPmodel building
CNSphasing