[Biojava-l] MassCalc / Isoelectric tests

Jones, Mike Mike.Jones@mpi.com
Mon, 29 Apr 2002 11:46:35 -0400


I got the Mass Values from a Micromass cheat sheet that I have had with
me for years. 

I found a URL that seems to match it at. It looks like they scanned the
card.  

http://www.micromass.co.uk/resources/reference_tables/refp1s1.asp

Which is under the reference section of there site. 

http://www.micromass.co.uk/frameset.asp?header=resources/header.htm&row=
43&main=resources/reference_tables/

Let us know how the tests go. 


>-----Original Message-----
>From: Keith James [mailto:kdj@sanger.ac.uk] 
>Sent: Monday, April 29, 2002 7:55 AM
>To: BioJava List
>Subject: [Biojava-l] MassCalc / Isoelectric tests
>
>
>
>There are no unit tests for these. We're probably going to use 
>the isoelectric point class here so I've started writing some for both.
>
>Question: Can anyone give me a reference for the avg/mono 
>weights used in the SymbolProperties table?
>
>I was comparing with EMBOSS pepstats (which appears to be 
>using avg in their data file) and find different values for 
>each aa. End result is that we're not getting the same results 
>as pepstats. I'm not bothered by this as long as we know it's 
>being calculated correctly from the starting data (and we 
>should reference that data for folks who use the class).
>
>BTW, I'm using 10 entries in Swissprot as an arbitrary test 
>set (Accession P00001 - P00010).
>
>Keith
>
>-- 
>
>-= Keith James - kdj@sanger.ac.uk - 
>http://www.sanger.ac.uk/Users/kdj =- Pathogen >Sequencing Unit, 
>Wellcome Trust Sanger Institute, Cambridge, UK 
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