[EMBOSS] MW in "Digest" -EMBOSS

[Koen van der Drift]

You will have to add the mw of water (18) to get the total mw of your  
peptide.

- Koen.



On Aug 14, 2007, at 4:46 PM, Mehrotra, Sudeep wrote:

> Hello,
>
> I am trying to figure out how molecular weight of the peptide  
> fragments in
> EMBOSS
> "DIGEST" is calculated?
>
> For example: given fragment AEK, "DIGEST" returns a MW = 346.378.
>
> Now if i look at the residual masses(monoisotopic) of A E K they  
> are 71.03711,
> 129.04259, 128.09496, respectively, these dont add up to 346.378. I  
> tried using
> Average mass, as well as normal mw of AA in question, but i am not  
> to get a MW
> of
> 346.378.
> It would be very helpful if you can explain how MW is calculated in
> EMBOSS-DIGEST.
>
> Thanking You
> Sudeep
>
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