2I4B

Crystal structure of Bicarbonate Transport Protein CmpA from Synechocystis sp. PCC 6803 in complex with bicarbonate and calcium


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2I48PDB ID 2I48

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1batch/microseeding8298Ammonium sulfate, HEPPS, EGTA, NaHCO3, pH 8.0, batch/microseeding, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.652.69

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 44.79α = 87.67
b = 49.57β = 81.23
c = 57.74γ = 75.24
Symmetry
Space GroupP 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDBruker Platinum 135Helios2006-01-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODEBRUKER AXS MICROSTAR

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
11.3524.698.90.04224.96.5102903102903
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.351.4498.30.1965.33.6

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 (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ID 2I481.3524.61029031029031034398.70.2090.2090.2090.222random12.074
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]
-0.708-0.120.4661.441-0.712-0.733
RMS Deviations
KeyRefinement Restraint Deviation
c_scangle_it2.036
c_scbond_it1.848
c_angle_deg1.29
c_mcangle_it1.205
c_mcbond_it0.86
c_bond_d0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3139
Nucleic Acid Atoms
Solvent Atoms421
Heterogen Atoms5

Software

Software
Software NamePurpose
CNSrefinement
PDB_EXTRACTdata extraction
PROTEUM PLUSdata collection
SAINTdata reduction
PROTEUM PLUSdata scaling
AMoREphasing