GENEALOGY-DNA-L Archives

From: Shirley Becker <>
Subject: d loop explanation
Date: Sun, 20 Nov 2005 17:24:05 -0800
References: <200511210052.jAL0qhwn027254@lists5.rootsweb.com>
In-Reply-To: <200511210052.jAL0qhwn027254@lists5.rootsweb.com>

Thank you Ann
I really appreciate your taking the time to answer my question. It
struck me as odd the letters corresponded to the groups, but your
explanation helped clarify it.
Shirley


From:
Date: November 20, 2005 4:41:41 PM PST
To:
Subject: Re: [DNA] d loop inquiry


In a message dated 11/20/05 4:02:25 PM Pacific Standard Time,

writes:

> I am not new, but I sure would like to know if the letters around
> the d loop image stand for the haplo groups types or what have you?
> You know H U etc.

If you're referring to the diagram of the circular mtDNA molecule at
MitoMap,


http://www.mitomap.org/mitomapgenome.pdf

then the letters are for a different set of abbreviations. Those
letters show
the locations of various tRNA (transfer RNA, a small molecule which
bonds to
a specific amino acid and ferries it to a ribosome for assembling a
protein).
Amino acids can have three-letter or one-letter abbreviations.
There's a table
at Wikipedia which shows the amino acids, their abbreviations, and their
properties:

http://en.wikipedia.org/wiki/Amino_acids#List_of_standard_amino_acids

Ann Turner

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• d loop explanation by Shirley Becker <>