[Chimera-users] matchmaker and MSA

Elaine Meng meng at cgl.ucsf.edu
Fri Sep 18 11:59:46 PDT 2020


Hi Zaher,
Forgot to answer the other part of your question.

In ChimeraX, currently the Matchmaker tool is in the menu under Tools... Structure Analysis, and there is also a "matchmaker" or "mmaker" command.  Command syntax is slightly different than in Chimera, as we tried to improve many commands.
<http://rbvi.ucsf.edu/chimerax/docs/user/tools/matchmaker.html>
<http://rbvi.ucsf.edu/chimerax/docs/user/commands/matchmaker.html>

There is another mailing list chimerax-user at cgl.ucsf.edu specifically for ChimeraX, if you are interested!

I hope this helps,
Elaine

> On Sep 18, 2020, at 11:53 AM, Elaine Meng <meng at cgl.ucsf.edu> wrote:
> 
> Yes, the Matchmaker dialog does have a choice to show the pairwise alignments, but the option that I mentioned is a different one.  As I said, it starts the Match->Align tool.
> <http://www.rbvi.ucsf.edu/chimera/docs/ContributedSoftware/matchmaker/matchmaker.html#final>
> 
> ChimeraX does not yet have anything like the Match->Align tool, sorry.
> 
> Elaine
> 
>> On Sep 18, 2020, at 11:39 AM, arrafzaher at campus.technion.ac.il wrote:
>> 
>> Thank you Elaine,
>> I know about the choice in the MM dialog however this runs 2 separate MSA.
>> 
>> The first method helped, where can I find these tools in ChimeraX?
>> 
>> Zaher
>> On 18/09/2020, 19:44, "Elaine Meng" <meng at cgl.ucsf.edu> wrote:
>> 
>>   There is also a choice on the Matchmaker dialog to open Match->Align, "After superposition, compute structure-based multiple sequence alignment."   That just starts the tool, exactly the same as choosing it from the Tools menu.
>>   Elaine
>> 
>>> On Sep 18, 2020, at 9:39 AM, Elaine Meng <meng at cgl.ucsf.edu> wrote:
>>> 
>>> Hi Zaher,
>>> Yes, but it is a separate step.  After all three structures are superimposed in 3D (using Matchmaker or any other method you like), then you can use the Match->Align tool to create a sequence alignment of all three.  Menu: Tools... Structure Comparison... Match->Align.
>>> 
>>> <https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.rbvi.ucsf.edu%2Fchimera%2Fdocs%2FContributedSoftware%2Fmatchalign%2Fmatchalign.html&data=02%7C01%7Carrafzaher%40campus.technion.ac.il%7C6bfd0bf57da34de4df1a08d85bf20ba5%7Cf1502c4cee2e411c9715c855f6753b84%7C1%7C0%7C637360442425122795&sdata=elzHUJySn9pfNK%2FBEBjGs5aI5OX4XLEf77c9aJNZpPM%3D&reserved=0>
>>> 
>>> I hope this helps,
>>> Elaine
>>> -----
>>> Elaine C. Meng, Ph.D.
>>> UCSF Chimera(X) team
>>> Department of Pharmaceutical Chemistry
>>> University of California, San Francisco
>>> 
>>>> On Sep 18, 2020, at 9:19 AM, arrafzaher at campus.technion.ac.il wrote:
>>>> 
>>>> Hi,
>>>> Suppose I have 3 structures #0 #1 and #2.
>>>> If I impose structure alignment of both #1 and #2 to #0.
>>>> I receive two MSA alignment.
>>>> Is there a way to view one MSA of the 3 structures and not 2 MSA of them.
>>>> Thanks,
>>>> Zaher
>>> 
>> 
>>   This email is from an external mail server, be judicious when opening attachments or links
>> 
>> 
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> 
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