Koen van der Drift
kvddrift at earthlink.net
Mon Aug 23 21:52:54 EDT 2004
On Aug 23, 2004, at 6:01 PM, John Timmer wrote:
> No, you have that exactly right - this is all DNA, so assume
> We can deal with RNA some other time.
Thanks, I will add the values.
> Now, my chance to say something potentially stupid -
> So both values you are using are specific for Mass Spec? If so, I'd
> we want a third, which is just the basic molecular weight, suitable for
> calculating kD or size on a protein gel.
> That's what I already have in
> place for the bases, so I guess you can leave that there and add your
> under the names you've been using. I'll dig up the average molecular
> weights for amino acids and add them sometime after you commit your
> with the names.
There is no need for a third field, for calculating the kD of large
biopolymers use the averageMass value. The Molecular Weight value has
no additional information. For calculating peptide masses (eg after a
protein digest) use the monoisotopic value. The same for
More information about the Biococoa-dev