2PI8

Crystal structure of E. coli MltA with bound chitohexaose


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1vapor diffusion, hanging drop, cocrystallization4.22981.5-2.0 M ammonium sulfate, 100mM phosphate/citrate buffer, 15mg/ml hexa-N-acetyl glucosamine, pH 4.2, vapor diffusion, hanging drop, cocrystallization, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.8957.51

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 91α = 90
b = 91β = 90
c = 187.2γ = 120
Symmetry
Space GroupP 31

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 4MSINGLE WAVELENGTH
21x-ray100CCDMAR CCD 165 mmMMAD
31
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID14-10.934ESRFID14-1
2SYNCHROTRONEMBL/DESY, HAMBURG BEAMLINE BW7A0.9792, 0.9794, 0.9393EMBL/DESY, HAMBURGBW7A

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
1,22.154099.10.0928.72781399306411
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)
1,22.152.2391.60.6928561

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 DIFFRACTIONMADTHROUGHOUT2.2536820948209458871000.1840.1840.1820.226thin resolution shells37.25
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]
-0.504-1.707-0.5041.008
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d23
c_scangle_it2.263
c_mcangle_it1.896
c_scbond_it1.476
c_mcbond_it1.107
c_angle_deg1
c_improper_angle_d0.8
c_bond_d0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms10475
Nucleic Acid Atoms
Solvent Atoms198
Heterogen Atoms370

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
SOLVEphasing
RESOLVEphasing
CNSrefinement
PDB_EXTRACTdata extraction
ProDCdata collection