>TIGR00065 ftsZ cell division protein FtsZ; InterPro: IPR000158 In bacteria, FtsZ , , is an essential cell division protein which appears to be involved in the initiation of this event. It assembles into a cytokinetic ring on the inner surface of the cytoplasmic membrane at the place where division will occur. The ring serves as a scaffold that is disassembled when septation is completed. FtsZ ring formation is initiated at a single site on one side of the bacterium and appears to grow bidirectionally. In Escherichia coli, MinCD IPR005526 from INTERPRO, encoded by the MinB locus, form a complex which appears to block the formation of FtsZ rings at the cell poles, at the ancient mid cell division sites, whilst MinE, encoded at the same locus, specifically prevents the action of MinCD at mid cell. FtsZ is a GTP binding protein PDOC00199 from PROSITEDOC with a GTPase activity. It undergoes GTP-dependent polymerization into filaments (or tubules) that seem to form a cytoskeleton involved in septum synthesis. The structure and the properties of FtsZ clearly provide it with the capacity for the cytoskeletal, perhaps motor role, necessary for "contraction" along the division plane. In addition, however, the FtsZ ring structure provides the framework for the recruitment or assembly of the ten or so membrane and cytoplasmic proteins, uniquely required for cell division in E. coli or Bacillus subtilis, some of which are required for biogenesis of the new hemispherical poles of the two daughter cells. FtsZ can polymerize into various structures, for example a single linear polymer of FtsZ monomers, called a protofilament. Protofilaments can associate laterally to form pairs (sometimes called thick filaments, bundles (ill-defined linear associations of multiple protofilaments or thick filaments, sheets (parallel or anti-parallel two-dimensional associations of thick filaments and tubes (anti-parallel associations of thick filaments in a circular fashion to form a tubular structure). In addition, small circles of FtsZ monomers (a short protofilament bent around to join itself, apparently head to tail) have been observed and termed mini-rings. FtsZ is a protein of about 400 residues which is well conserved across bacterial species and which is also present in the chloroplast of plants as well as in archaebacteria . FtsZ shows structural similarity with eukaryotic tubulins. This similarity is probably both evolutionary and functionally significant.; GO: 0005525 GTP binding, 0005737 cytoplasm.

Probab=94.72  E-value=0.16  Score=29.90  Aligned_cols=109  Identities=19%  Similarity=0.266  Sum_probs=62.1

Q ss_pred             CCEEEEECCCCHHHHHHHHHHHC----CCCEEEEEECCCCCHHHHHHHHHH-HCCC--CC----------CCCEE-----
Q ss_conf             87289988981368999999957----998699996578812898830762-0544--68----------87568-----
Q gi|254781048|r    3 SNKIALIGSGMIGGTLAHLAVLK----KLGDVVLLDIVDGMPRGKALDIAE-SSPV--EG----------FGAQL-----   60 (320)
Q Consensus         3 ~~KV~IIGaG~VG~~~a~~~~~~----~l~ei~L~D~~~~~~~g~~~Dl~~-~~~~--~~----------~~~~v-----   60 (320)
T Consensus        17 ~akI~ViGvGGgGnN~v~rm~~~~p~l~~~g~~fiA~NTD~---Q~L~~~~~A~~kilIG~~~TrGLGAGG~P~iG~~AA   93 (365)
T TIGR00065        17 KAKIKVIGVGGGGNNAVNRMVEEYPELGVEGVEFIAINTDA---QHLKTTKYAPKKILIGKKLTRGLGAGGNPEIGRKAA   93 (365)
T ss_pred             CEEEEEEEECCCCHHHHHHHHHHCCCCCCCCEEEEEECCCH---HHHHCCCCCCCEEEECCCCCCCCCCCCCCHHHHHHH
T ss_conf             62899998558823589999870553223762699974837---854115562413561573355676799838889998


Q ss_pred             EECCC-H-HHHCCCCEEEEECCCCCCCCCCHHHHHHHHHHHHHHHHHHHHHCCCCCCEEEECCCCHH
Q ss_conf             52697-4-88378978999556666765574678998899999999765412667408871484207
Q gi|254781048|r   61 CGTSD-Y-SDIAEADVCIVTAGIPRKPSMSRDDLLADNLKAIEKVGAGIRKYAPNSFVICITNPLDA  125 (320)
Q Consensus        61 ~~~~d-~-~~l~~aDivVitag~~~~~g~~R~dll~~N~~i~~~i~~~i~~~~p~~i~ivvtNPvDv  125 (320)
T Consensus        94 ees~d~i~~~l~GaDmVFitAGmGGGTG-------TGAAPVvA~~AK~~GaL----TvavVT~PF~~  149 (365)
T TIGR00065        94 EESRDEIRELLEGADMVFITAGMGGGTG-------TGAAPVVAKIAKELGAL----TVAVVTKPFKF  149 (365)
T ss_pred             HHHHHHHHHHCCCCCEEEEEECCCCCCC-------CCCHHHHHHHHHHCCEE----EEEEECCCCCC
T ss_conf             9889999997038881899725866866-------66357899999757906----99984287410