David,

That's the same data. I've made PepXML and the other Morpheus output 
available at:

https://proteomics.swmed.edu/data/morpheus_tpp/

DT

On Thursday, February 6, 2014 5:36:35 PM UTC-6, David Shteynberg wrote:
>
> I was referring to this data:
>
> http://tools.proteomecenter.org/wiki/index.php?title=TPP_Tutorial_v2
>
> However, this is not high res MS/MS either.  This would be a good starting 
> point.  The decoys and targets don't have to separate by score alone, 
> PeptideProphet should be able to model the plots you show in either case. 
>
> Cheers,
> -David
>
>
> On Thu, Feb 6, 2014 at 3:13 PM, Dave Trudgian <
> [email protected] <javascript:>> wrote:
>
>> Hi David,
>>
>> Am happy to generate some pepXMLs from the tutorial data, but assuming 
>> you mean the stuff at:
>>
>> ftp://ftp.peptideatlas.org/pub/PeptideAtlas/Repository/TPP_Demo2009/
>>
>> ... I'm not sure that's the best to work with for Morpheus. It's CID 
>> Ion-trap MS/MS, which is not Morpheus' target. Morpheus doesn't work as 
>> well as other algorithms on low-res MS/MS so I'm not sure if anyone would 
>> want to use it like that.
>>
>> I grabbed two of the result sets from the Coon lab site - Yeast analysis 
>> with FT HCD or IT CID. The distributions of Morpheus scores are very 
>> different. The CID data doesn't even look like target and decoy matches are 
>> separable, so I think high-res MS/MS is a must. See attached.
>>
>> DT
>>
>>
>> On Thursday, February 6, 2014 3:44:08 PM UTC-6, David Shteynberg wrote:
>>
>>> I was dabbling in this, but running into some issues with morpheus 
>>> slowing my machine to a point where I was unable to do any other work so I 
>>> moved to another project.  However, I am certainly still interested in 
>>> this, but I know that pepXML coming out of morpheus may need some work.  If 
>>> you'd be willing to generate some pepXML's from the tutorial data and work 
>>> with me to correct the pepXML issues I should be able to model the results 
>>> quite quickly with PeptideProphet.  Please let me know if that sounds good 
>>> to you.
>>>
>>> Cheers,
>>> -David  
>>>
>>>
>>> On Thu, Feb 6, 2014 at 12:08 PM, Eric Deutsch <
>>> [email protected]> wrote:
>>>
>>>> Hi Dave, at ISB we are not planning this, so please go ahead and let us 
>>>> know how it goes!
>>>>
>>>>  
>>>>
>>>> Regards,
>>>>
>>>> Eric
>>>>
>>>>  
>>>>
>>>>  
>>>>
>>>> *From:* [email protected] [mailto:spctools...@
>>>> googlegroups.com] *On Behalf Of *Dave Trudgian
>>>>
>>>> *Sent:* Thursday, February 06, 2014 12:02 PM
>>>> *To:* [email protected]
>>>>
>>>> *Subject:* [spctools-discuss] Re: support for Morpheus search 
>>>> algorithm in TPP
>>>>
>>>>   
>>>>
>>>> Craig, just wondering if you or anyone else is working on this? If not 
>>>> I was thinking I would have a go at putting in a Morpheus model for 
>>>> PeptideProphet towards the end of next week.
>>>>
>>>>  
>>>>
>>>> Dave Trudgian
>>>>
>>>> On Saturday, November 30, 2013 4:37:30 PM UTC-6, Craig Wenger wrote:
>>>>
>>>> Is there a mechanism for adding support for a new search algorithm to 
>>>> the various TPP tools? A few users have requested TPP compatibility for 
>>>> the 
>>>> Morpheus <http://morpheus-ms.sourceforge.net/> search algorithm. It 
>>>> already outputs pepXML.
>>>>
>>>>  
>>>>
>>>> -Craig
>>>>
>>>>  
>>>>
>>>> -- 
>>>> You received this message because you are subscribed to the Google 
>>>> Groups "spctools-discuss" group.
>>>>  To unsubscribe from this group and stop receiving emails from it, send 
>>>> an email to [email protected].
>>>> To post to this group, send email to [email protected].
>>>>
>>>> Visit this group at http://groups.google.com/group/spctools-discuss.
>>>> For more options, visit https://groups.google.com/groups/opt_out.
>>>>
>>>>  -- 
>>>> You received this message because you are subscribed to the Google 
>>>> Groups "spctools-discuss" group.
>>>> To unsubscribe from this group and stop receiving emails from it, send 
>>>> an email to [email protected].
>>>> To post to this group, send email to [email protected].
>>>>
>>>> Visit this group at http://groups.google.com/group/spctools-discuss.
>>>> For more options, visit https://groups.google.com/groups/opt_out.
>>>>
>>>
>>>  -- 
>> You received this message because you are subscribed to the Google Groups 
>> "spctools-discuss" group.
>> To unsubscribe from this group and stop receiving emails from it, send an 
>> email to [email protected] <javascript:>.
>> To post to this group, send email to 
>> [email protected]<javascript:>
>> .
>> Visit this group at http://groups.google.com/group/spctools-discuss.
>> For more options, visit https://groups.google.com/groups/opt_out.
>>
>
>

-- 
You received this message because you are subscribed to the Google Groups 
"spctools-discuss" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
To post to this group, send email to [email protected].
Visit this group at http://groups.google.com/group/spctools-discuss.
For more options, visit https://groups.google.com/groups/opt_out.

Reply via email to