3P01

Crystal structure of two-component response regulator from Nostoc sp. PCC 7120


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.52970.2M calcium acetate, 0.1M HEPES pH 7.5, 10% PEG8000, VAPOR DIFFUSION, SITTING DROP, temperature 297K
Crystal Properties
Matthews coefficientSolvent content
3.3563.27

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 111.876α = 90
b = 111.876β = 90
c = 112.837γ = 120
Symmetry
Space GroupP 32 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315r2010-06-09MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 19-ID0.97935APS19-ID

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
12.655099.70.08741.810.22405623979-372.4
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)
2.652.71000.5454.78.41185

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 DIFFRACTIONSADTHROUGHOUT2.65502362723627120698.150.23030.23030.22830.2679RANDOM80.749
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]
2.631.312.63-3.94
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg42.669
r_dihedral_angle_3_deg18.701
r_dihedral_angle_4_deg15.5
r_dihedral_angle_1_deg6.594
r_scangle_it5.209
r_mcangle_it3.657
r_scbond_it3.005
r_mcbond_it1.993
r_rigid_bond_restr1.716
r_angle_refined_deg1.456
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg42.669
r_dihedral_angle_3_deg18.701
r_dihedral_angle_4_deg15.5
r_dihedral_angle_1_deg6.594
r_scangle_it5.209
r_mcangle_it3.657
r_scbond_it3.005
r_mcbond_it1.993
r_rigid_bond_restr1.716
r_angle_refined_deg1.456
r_chiral_restr0.096
r_bond_refined_d0.013
r_gen_planes_refined0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3892
Nucleic Acid Atoms
Solvent Atoms42
Heterogen Atoms

Software

Software
Software NamePurpose
REFMACrefinement
PDB_EXTRACTdata extraction
SBC-Collectdata collection
HKL-3000data reduction
HKL-3000data scaling
HKL-3000phasing
SHELXDphasing
SHELXEmodel building
MLPHAREphasing
DMphasing
RESOLVEphasing
Cootmodel building
ARP/wARPmodel building