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CCP4BB  June 2012

CCP4BB June 2012

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Subject:

Re: do you think it is interesting?

From:

Jacob Keller <[log in to unmask]>

Reply-To:

Jacob Keller <[log in to unmask]>

Date:

Mon, 18 Jun 2012 10:29:45 -0500

Content-Type:

text/plain

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text/plain (104 lines)

I love "myriomer," but what's wrong with boring old "polymer?"

JPK

On Mon, Jun 18, 2012 at 10:27 AM, Emmanuel Saridakis
<[log in to unmask]> wrote:
> Of course, "oligomer" (pure Greek) usually does that kind of job, but not in
> this specific case, since oligo means few and in this case we have "endless"
> chains.
> I can only think of the neologism "myriomer" for this particular case, if
> you want to stick to Greek. Myrioi can mean 10000 or countless, depending on
> where you accent the word!
>
> If that catches on, remember you (probably) saw it here first!
>
> Cheers,
> Emmanuel
>
>
> ----- Original Message ----- From: "Tim Gruene" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Monday, June 18, 2012 5:43 PM
> Subject: Re: [ccp4bb] do you think it is interesting?
>
>
>
>> -----BEGIN PGP SIGNED MESSAGE-----
>> Hash: SHA1
>>
>> [...]
>>>
>>> of monomers is called a multimer, not a polymer.
>>
>> [...]
>> shiver - what a terrible mixture of languages. 'multi-' has got latin
>> origin, whereas both poly and mer have got greek origin, and I don't
>> think one should mix these. Please!!! think of a different _GREEK_
>> syllable to express what you describe as 'multimer'.
>>
>> Cheers,
>> Tim
>>
>> On 06/18/12 16:21, David Schuller wrote:
>>>
>>> Certainly it's interesting, but I think your description is
>>> inaccurate.
>>>
>>> "Endless linear polymers" - Each monomer is a polymer, but a
>>> collection of monomers is called a multimer, not a polymer.
>>>
>>> I don't suppose there are any knots? That would be really
>>> interesting.
>>>
>>> On 06/18/12 09:49, anna anna wrote:
>>>>
>>>> Hi all! I'd like your opinion about a structure I solved. Apart
>>>> from protein structure itself, I think that my protein xtallized
>>>> in an odd way! The biological unit is a dimer while the
>>>> asymmetric unit is a tetramer (red cartoon in the figure)
>>>> resulting from domain swapping between two dimers. The strange
>>>> thing is that swapping connects infinite monomers and, rather
>>>> than a xtal, my diffracting object seems a multilayer of endless
>>>> linear polymers, a kind of papyrus with greek fret-like fibers.
>>>> The figure shows the orientation of the polymers in each layer.
>>>> I'd like to know if some of you have already seen a similar
>>>> pattern or it is weird as I think! I'm further racking my brain
>>>> to figure out a biological implication of this behaviour, I
>>>> thought something like plaque formation but I can't find support
>>>> in literature.
>>>>
>>>> All suggestions are welcome!!
>>>>
>>>> Cheers, Anna
>>>>
>>>>
>>>
>>>
>>
>> - -- - --
>> Dr Tim Gruene
>> Institut fuer anorganische Chemie
>> Tammannstr. 4
>> D-37077 Goettingen
>>
>> GPG Key ID = A46BEE1A
>>
>> -----BEGIN PGP SIGNATURE-----
>> Version: GnuPG v1.4.12 (GNU/Linux)
>> Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/
>>
>> iD8DBQFP3z51UxlJ7aRr7hoRAqviAKDJXxXkeOE3Z0M14+RT8dznQhpD3gCcDKEP
>> o034eyZnadpwyQRGXI4FV9w=
>> =Q5GJ
>> -----END PGP SIGNATURE-----



--
*******************************************
Jacob Pearson Keller
Northwestern University
Medical Scientist Training Program
email: [log in to unmask]
*******************************************

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