Words similar to dimeric
Example sentences for: dimeric
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Western blot analysis showed that these preparations contained both monomeric and dimeric forms of Tat1-72 but monomeric form only for TatΔ31-61 and TatΔ48-56.
These results imply that the β7-β8 loop of the second subunit of HIV-1 RT is critical in forming functionally active dimeric enzyme.
However, such primordial di-protomeric AAA polypeptides would have to have been simpler than those present in NSF, ClpA and p97 and other AAA proteins of the current era, for the latter assemble into two-tiered hexameric assemblies, with the axis joining the two protomers in each polypeptide oriented perpendicular to the plane of the hexameric ring [ 14 ] . We cannot, at present, exclude an alternative model for midasin structure in which the hexameric AAA ring assembly is a dimeric two-layered structure formed by two midasin polypeptides arranged laterally with all six odd-numbered protomers in one layer and all six even-numbered protomers in the other.
For example, high concentrations of dimeric fibronectin enhance cell migration whereas high concentrations of fibrillar fibronectin reduce cell migration [ 2 ] . Also, inhibition of fibronectin matrix assembly has been shown to inhibit cell growth in various systems [ 3 4 5 ] . These findings suggest that fibrillar fibronectin may stimulate signal transduction pathways in cells that are either not stimulated, or only marginally stimulated, by dimeric fibronectin.
These results underscore the similarity between trans-silencing and paramutation, because in both cases epialleles are often silenced incompletely and may also adopt novel regulatory patterns [ 4 10 ] , for example light inducibility [ 33 ] . Perhaps, silencing at the dimeric E82 locus involves a hierarchical relationship between its two intact T-DNAs.
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