It is an accurate DNA polymerase because, like Pol I, it has an editing or proofreading 3'-exonuclease domain that can erode a mispaired primer end and so remove incorrectly inserted bases.
Mutually obdurate pols – it's a fetching narrative, since Republicans and Democrats are undisputedly more polarized than they've been in a century, yielding endless posturing and partisan gridlock.
Days are spent on the water, sometimes on the boat, with an angler in the bow and Mr. Johnson poling it silently forward from the stern, and sometimes on the flats, wading stealthy and quiet against the tide and wind.
Channel 5 seem to have preemptively thrown in the towel when it comes to sci-fi viral mystery Helix, barge-poling it from 10pm on Mondays to a much later timeslot – a scheduling quarantine that suggests they are essentially washing their hands of the series after only five instalments of a 13-episode run.
Comparing the structure of ORF904 prim-pol to Y-family pols, it seems more likely that the zinc stem is positioned in a manner that is analogous to the finger domain of Y-family pols, while the so-called "DNA-binding sub-domain" (a.a. 1 100 in ORF904) is acting in a fashion comparable to the little finger domain.
It is apparently involved in transcription of ribosomal genes by Pol I, where it binds to a transcription initiation factor but also to components of a chromatin remodelling complex.
If that anecdote suggests Caldwell died a dedicated Pol Potist, it tells us little about Pol, a man for whom the word "inscrutable" might have been invented.
This year it's not just a case of put down the Pol Roger, it's a case of stay as sober as possible and avoid any slips.
Although INTS3 appears to have a relatively minor effect on snRNA processing, because it binds the 3′ end of snRNAs and associates with Pol II, it could play a role in processing-coupled termination of snRNA transcription.
Mr. Lesniak has long been a tough, New Jersey pol, so it is strange hearing him pontificate like a new-age guru, but he has a point.
