2R6G

The Crystal Structure of the E. coli Maltose Transporter


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.529327% PEG 400, 500mM NaCl, 100mM Sodium Hepes pH 7.5, 10mM betaine hydrochloride, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
3.4664.46

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 73.26α = 87.13
b = 95.86β = 82.43
c = 109.99γ = 75.75
Symmetry
Space GroupP 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 300 mm CCDSi(111) Double Crystal Monochromator. Adjustable focusing mirrors in K-B geometry2007-03-30MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 23-ID-D1.0332APS23-ID-D

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
12.85091.40.0920.0928.33.66652066520
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)
12.82.964.90.470.471.542.6

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRIES 1Q12 and 1OMP2.847.45928858103118583.760.242230.241640.2714RANDOM83.877
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]
3.953.165.32-2.54-2.06-4.16
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.758
r_dihedral_angle_3_deg16.378
r_dihedral_angle_4_deg14.172
r_dihedral_angle_1_deg4.468
r_angle_refined_deg0.974
r_scangle_it0.386
r_nbtor_refined0.296
r_mcangle_it0.257
r_scbond_it0.228
r_nbd_refined0.176
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.758
r_dihedral_angle_3_deg16.378
r_dihedral_angle_4_deg14.172
r_dihedral_angle_1_deg4.468
r_angle_refined_deg0.974
r_scangle_it0.386
r_nbtor_refined0.296
r_mcangle_it0.257
r_scbond_it0.228
r_nbd_refined0.176
r_symmetry_vdw_refined0.167
r_mcbond_it0.143
r_xyhbond_nbd_refined0.107
r_symmetry_hbond_refined0.075
r_chiral_restr0.064
r_bond_refined_d0.006
r_gen_planes_refined0.002
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms14628
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms85

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
PHASERphasing
DMphasing
REFMACrefinement
PDB_EXTRACTdata extraction
Blu-Icedata collection
HKL-2000data reduction
HKL-2000data scaling