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- Newsgroups: bionet.info-theory
- Path: sparky!uunet!tcsi.com!iat.holonet.net!ken
- From: ken@iat.holonet.net (Ken Easlon)
- Subject: Re: mRNA baud rate
- Message-ID: <C02qED.LBr@iat.holonet.net>
- Organization: HoloNet National Internet Access BBS: 510-704-1058/modem
- References: <eddy.725706161@beagle>
- Date: Wed, 30 Dec 1992 13:20:35 GMT
- Lines: 33
-
-
- In article <eddy.725706161@beagle> ,
- eddy@boulder.Colorado.EDU (Sean Eddy) writes:
-
-
- >Alberts (_Molecular Biology of the Cell_, p. 412) cites 2 x 10^8
- >nt/min as the average interphase total transcription rate per
- >mammalian cell. 40% of that is tRNA/rRNA transcription; so call it
- >1x10^8 nt/min for precursor mRNA transcription.
-
- >Now you need a number for how much precursor is spliced out before
- >export from the nucleus; I think a reasonable guess in the human
- >might be 95%.
-
- >Call each nucleotide 2 bits of information, and you get a "data
- >transmission rate" on the order of 200 kilobits/sec -- so it's
- >closer to Ethernet than an obsolete modem :)
-
- I think you mean 200 kilobytes/sec. That's a pretty impressive number in
- my book.
-
- I wonder how many transcription polymerase molecules (or whatever the
- correct term is) Alberts is using in his estimate, or the rate per
- molecule.
-
-
- --
- Ken Easlon | "...somebody spoke and I went into a dream..."
- ken@holonet.net | -Paul McCartney
- Pleasantly Unaffiliated |
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