[gmx-users] protein molecular weight?

[Mark Abraham]

Chih-Ying Lin wrote:
> Hi
> 
>>From the following website=> it lists
> Properties
> grade	for molecular biology
> form	lyophilized powder
> mol wt	single-chain mol wt 14.7 kDa
> composition	protein, ≥90%
> storage temp.	-20°C
> 
> How to get the molecular weight from the above protein properties?

This is a mailing list for GROMACS-related questions. This is not a 
GROMACS-related question. Please don't ask them.

Consider what "mol wt" could be an abbreviation for. Also, read the 
documentation they provide.

Mark

> L7651 Lysozyme from chicken egg white lyophilized powder, protein ...
> http://www.sigmaaldrich.com/catalog/ProductDetail.do?N4=L7651%7CSIGMA&N5=SEARCH_CONCAT_PNO%7CBRAND_KEY&F=SPEC
> 
> 
> 
> Thank you
> Lin
> 
> 
> 
> 
> 
> Chih-Ying Lin wrote:
>> Hi :
>> Would anyone explain how to get the protein molecular weight from the
>> following note from the catalog?
>> mol wt        single-chain mol wt 14.7 kDa
>>
>>
> 
> Where did this come from?  Is this in the manual somewhere?
> 
> In any case it's probably just an example of expected output from some utility.
> 
>> What does it mean single-chain?
> 
> Probably pertains to a single polypeptide in a larger complex, but without
> proper context, that's just a guess.
> 
>> Is it correct =>
>> 1 kDa = 1000 Da = MW 1000.  So MW 240 = 0.24 kDa.
>>
> 
> Yes.
> 
> -Justin
> 
>> Thank you
>> Lin
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