2CH7

Crystal structure of the cytoplasmic domain of a bacterial chemoreceptor from Thermotoga maritima


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
12.2-2.6 M 1,6-HEXANEDIOL, 0.1 M NA ACETATE PH 4.5, 2-5 % ETHANOL OR ISOPROPANOL, 1 MM TRIMETHYL LEAD ACETATE
Crystal Properties
Matthews coefficientSolvent content
2.1442

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 24.6α = 90
b = 99.4β = 90.5
c = 117.2γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC CCD2004-07-22MMAD
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X25NSLSX25

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
12.53099.60.121729602246
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)
12.52.698.40.493

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMADTHROUGHOUT2.530135221340491.80.25870.25870.2971RANDOM64
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]
-0.060.066-0.3390.4
RMS Deviations
KeyRefinement Restraint Deviation
c_angle_deg1.3
c_bond_d0.009
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_scangle_it
c_angle_deg_na
c_angle_deg_prot
c_bond_d_na
RMS Deviations
KeyRefinement Restraint Deviation
c_angle_deg1.3
c_bond_d0.009
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_scangle_it
c_angle_deg_na
c_angle_deg_prot
c_bond_d_na
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d
c_improper_angle_d_na
c_improper_angle_d_prot
c_mcbond_it
c_mcangle_it
c_scbond_it
c_dihedral_angle_d
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4630
Nucleic Acid Atoms
Solvent Atoms584
Heterogen Atoms2

Software

Software
Software NamePurpose
CNSrefinement
HKL-2000data reduction
SCALEPACKdata scaling
SOLVEphasing