1MAV

CRYSTAL STRUCTURE OF THE RESPONSE REGULATOR DIVK AT PH 6.0 IN COMPLEX WITH MN2+


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING OR SITTING-DROP6285MES 50mM PH6.0, PEG MME 550 32% AT 285K. The Protein Was Concentrated at 2 MG/ML In MES-NAOH PH 6.00 (20 mM), DTT (5 mM) And Mixed With An Equal Volume Of The Reservoir Solution Containing PEG MME 550 (32%), MES PH 6.00 (40 mM), DTT (5 mM). Crystal Size (300X40X40 microM3) In 20microL Sitting Drops. Manganese Derivative Was Obtained By Soaking For 24 Hours. Protein Crystals In The Reservoir Solution Were Supplemented With 20 Mm MnCl2 (PH 6.00).Crystals Were Frozen In Liquid Propane After Soaking For A Few Seconds In PEG MME 550 (50%), MES PH 6.00 (40 mM)., VAPOR DIFFUSION, HANGING OR SITTING-DROP
Crystal Properties
Matthews coefficientSolvent content
1.831

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 36.84α = 90
b = 41.02β = 90
c = 67.01γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMAR scanner 345 mm plate1999-06-25MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONLURE BEAMLINE DW320.963LUREDW32

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
11.62697.10.048.33.31344520
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)
11.61.6994.80.1783.93.15740

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-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONFOURIER SYNTHESISTHROUGHOUTAPO-DIVK SOLVED AT PH61.6201344513445133992.80.2080.223RANDOM20.1
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]
-0.08-0.340.41
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d22.3
c_scangle_it2.41
c_scbond_it1.67
c_mcangle_it1.65
c_angle_deg1.2
c_mcbond_it1.07
c_improper_angle_d0.65
c_bond_d0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms899
Nucleic Acid Atoms
Solvent Atoms83
Heterogen Atoms2

Software

Software
Software NamePurpose
MOSFLMdata reduction
SCALAdata scaling
CNSrefinement
CCP4data scaling
CNSphasing