REL RCSB RCSB RCSB 2012-09-28 2012-10-10 2012-10-24 2012-11-28 Hexameric structure of the conjugative VirB4 ATPase TrwK: new insights into a functional and phylogenetic relationship with DNA translocases Pena A Matilla I Martin-Benito J Valpuesta JM Carrascosa JL De la Cruz F Cabezon E Arechaga I bacterial secretion systems, conjugation Pena A Matilla I Martin-Benito J Valpuesta JM Carrascosa JL De la Cruz F Cabezon E Arechaga I The hexameric structure of a conjugative VirB4 protein ATPase provides new insights for a functional and phylogenetic relationship with DNA translocases. J.BIOL.CHEM. 287 39925 39932 2012 23035111 doi:10.1074/jbc.M112.413849 Hexameric TrwK Hexameric TrwK hexameric 1 0.54 VirB4 component of type IV transporter system Escherichia coli 0.54 Hexamer true Escherichia coli pET GO:0005524 IPR004346 singleParticle particle 0.1 6.45
50 mM PIPES-NaOH, 75 mM potassium acetate, 5% (w/v) glycerol, 10 mM magnesium acetate, 0.1 mM EDTA, and 0.5 mM phenylmethylsulfonyl fluoride.
 NEGATIVE
Samples were negatively stained with 2% (w/v) uranyl acetate
freshly glow-discharged carbon-coated grids
 NONE OTHER JEOL 1200EXII FLOOD BEAM BRIGHT FIELD TUNGSTEN HAIRPIN 100 5.6 0.6 1.0 60000.0 JEOL 2011-12-11 KODAK SO-163 FILM ZEISS SCAI 20
Yes
 OTHER 20.0 FSC 0.5 CUT-OFF XMIPP 1179 emd_5505.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 54 54 54 0 0 0 54 54 54 251.63998 251.63998 251.63998 90.0 90.0 90.0 X Y Z -0.07715909 0.11468405 0.00622329 0.02549224 4.66 4.66 4.66 0.05 AUTHOR Reconstruction of hexameric TrwK
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emd_5505.tif