Words similar to terminus
Example sentences for: terminus
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Although chromatid breakage requires an endonuclease activity, the cutter, directed by a Cbs-binding activity, no Cbs-dependent "binder/cutter" activity has been detected in vitro . The cutter could be an activity of telomerase itself [ 39 43 ] . Telomerase of both Tetrahymena and Euplotes has a single-strand endonuclease activity [ 45 43 ] . It can trim potential primers back, so that the 3' terminus pairs with template RNA [ 46 ] . Thus, while it may serve a 3' editing function, the existence of a nuclease activity in potential proximity to the site of chromatid breakage is provocative, suggesting that telomerase provides the
The probe used for nmt55/p54 nrbanalysis was a 499 bp SacI/BglII fragment representing the unique carboxyl terminus of nmt55/p54 nrb [ 13 ] . This probe was utilized to prevent cross-hybridization with other homologous RNA binding proteins.
The C-terminus strong conservation leads to the assumption that all the related genes derive by duplication events from a common ancestor, but the identity of this ancestral gene and the date of expansion can only be hypothesized.
Interestingly, the histidine kinases from the two cyanobacteria, and the GGDEF domain protein from Rhodobacter , which co-occur with solo HNOB domain proteins contain HNOBA domains at their extreme N-terminus (Fig.
The C-terminus of the β 1a subunit has also been shown to be important in EC coupling, presumably by interaction with RyR1 [ 15].