[Bio-software] Is there a way to list proteins sorted by MW?

Cecilia Arighi via bio-soft%40net.bio.net (by pirmail from georgetown.edu)
Mon Jun 25 09:41:32 EST 2007

Dear Dario,
You can perform such a search in PIR website. Go to  
and set the following fields and queries (see snapshot below): UniProtKB 
ID/AC "not null" (will retrieve proteins from UniProtKB)
AND Molecular Weight "80<(kD)<=90" AND Organism Name "homo sapiens"

This will retrieve  human proteins in UniProtKB that matches the 
specified molecular weight range.
You can save the file as table, open it for example as an excel 
spreadsheet and sort it as needed.

Hope it works OK.


Cecilia Arighi, Ph.D.
Help Desk Coordinator
Protein Information Resource

> Dario Lombardi wrote:
>> Hi,
>> I'm a young PhD student in Rome at the ISS and I have a question.
>> Does anyone know if there is some online protein database (like 
>> ensemble or
>> similar) that let you show a list of proteins sorted by Molecular 
>> Weight.
>> i.e. I want to show a list of all the known human proteins with a MW 
>> between
>> 80 and 90 KDa.
>> I hope you can help me!
>> Thank you very much
>> Dario
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