How to copy a Sequence Viewer subsequence to the clip board

[goddard@…]

The following bug report has been submitted:
Platform:        macOS-10.15.7-x86_64-i386-64bit
ChimeraX Version: 1.3.dev202108070803 (2021-08-07 08:03:28 UTC)
Description
Is it possible to copy part of a sequence from a Sequence Viewer panel?  I select it with mouse and it shows with green highlight and then use Cmd+C on Mac but nothing is copied.  I also did not see any menu entry to copy the subsequence I selected.  The subsequence I wanted were the residues with coordinates in PDB model 6zva and I was trying to paste this into an AlphaFold web application to make a structure prediction.  The best I could come up with was to save a Fasta file and then try to locate the boundaries of the subsequence in my text editor to copy it -- very painful.

Log:
UCSF ChimeraX version: 1.3.dev202108070803 (2021-08-07)  
© 2016-2021 Regents of the University of California. All rights reserved.  
How to cite UCSF ChimeraX  

> open 7oov

Summary of feedback from opening 7oov fetched from pdb  
---  
notes | Fetching compressed mmCIF 7oov from
http://files.rcsb.org/download/7oov.cif  
Fetching CCD 6ID from http://ligand-expo.rcsb.org/reports/6/6ID/6ID.cif  
  
7oov title:  
Crystal structure of PIM1 in complex with ARC-1411 [more info...]  
  
Chain information for 7oov #1  
---  
Chain | Description | UniProt  
A | Serine/threonine-protein kinase pim-1 | PIM1_HUMAN  
  
Non-standard residues in 7oov #1  
---  
6ID —
~{N}-[(2~{R})-1-[[(2~{R})-1-[[(2~{R})-1-[[(2~{R})-1-[[(2~{R})-1-[[(2~{R})-1-[[(2~{R})-1-azanyl-5-[[$l^{1}-azanyl($l^{2}-azanylidene)methyl]-$l^{2}-azanyl]-1-oxidanylidene-
pentan-2-yl]amino]-5-carbamimidamido-1-oxidanylidene-
pentan-2-yl]amino]-5-carbamimidamido-1-oxidanylidene-
pentan-2-yl]amino]-5-carbamimidamido-1-oxidanylidene-
pentan-2-yl]amino]-5-carbamimidamido-1-oxidanylidene-
pentan-2-yl]amino]-5-carbamimidamido-1-oxidanylidene-
pentan-2-yl]amino]-5-carbamimidamido-1-oxidanylidene-
pentan-2-yl]-9-oxidanylidene-9-[4-(7~{H}-pyrrolo[2,3-d]pyrimidin-4-yl)piperazin-1-yl]nonanamide  
EDO — 1,2-ethanediol (ethylene glycol)  
SO4 — sulfate ion  
  

> open PIM1_HUMAN fromDatabase uniprot

Summary of feedback from opening PIM1_HUMAN fetched from uniprot  
---  
notes | Fetching PIM1_HUMAN UniProt info from
https://www.uniprot.org/uniprot/PIM1_HUMAN.xml  
Alignment identifier is PIM1_HUMAN  
  
Opened UniProt PIM1_HUMAN  

> close

> open 6zva

Summary of feedback from opening 6zva fetched from pdb  
---  
note | Fetching compressed mmCIF 6zva from
http://files.rcsb.org/download/6zva.cif  
  
6zva title:  
Crystal structure of My5 [more info...]  
  
Chain information for 6zva #1  
---  
Chain | Description | UniProt  
A B | Myomesin-1 | MYOM1_HUMAN  
  
Non-standard residues in 6zva #1  
---  
SO4 — sulfate ion  
  

> open MYOM1_HUMAN fromDatabase uniprot

Summary of feedback from opening MYOM1_HUMAN fetched from uniprot  
---  
notes | Fetching MYOM1_HUMAN UniProt info from
https://www.uniprot.org/uniprot/MYOM1_HUMAN.xml  
Alignment identifier is MYOM1_HUMAN  
Associated 6zva chain B to MYOM1_HUMAN with 1 mismatch  
Associated 6zva chain A to MYOM1_HUMAN with 1 mismatch  
  
Opened UniProt MYOM1_HUMAN  

> select /B,A:637

12 atoms, 10 bonds, 2 residues, 1 model selected  

> select /B,A:637-731

1415 atoms, 1451 bonds, 1 pseudobond, 187 residues, 2 models selected  

> save /Users/goddard/Desktop/6zva format fasta alignment MYOM1_HUMAN

> help help:user/tools/sequenceviewer.html

[Repeated 1 time(s)]




OpenGL version: 4.1 ATI-3.10.19
OpenGL renderer: AMD Radeon Pro Vega 20 OpenGL Engine
OpenGL vendor: ATI Technologies Inc.Hardware:

    Hardware Overview:

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      Model Identifier: MacBookPro15,3
      Processor Name: 8-Core Intel Core i9
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      L3 Cache: 16 MB
      Hyper-Threading Technology: Enabled
      Memory: 32 GB
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Software:

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      Kernel Version: Darwin 19.6.0
      Time since boot: 80 days 22:53

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      Metal: Supported, feature set macOS GPUFamily2 v1

    Radeon Pro Vega 20:

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      Type: GPU
      Bus: PCIe
      PCIe Lane Width: x8
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      Vendor: AMD (0x1002)
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          Online: Yes
          Automatically Adjust Brightness: No
          Connection Type: Internal

Locale: (None, 'UTF-8')
PyQt5 5.15.2, Qt 5.15.2
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[pett]

One of the many capabilities that the Chimera sequence viewer has that the ChimeraX one does not.

[pett]

Copying a sequence in Chimera actually brings up a dialog because there are several parameters needed: which sequence to copy; do you want gap characters removed; do you want the full sequence or limited to the active region. I imagine it will be the same in ChimeraX.

[pett]

Implemented same copy-sequence feature set that Chimera had. Dialog can be summoned via Edit→Copy Sequence context menu or by whatever the copy key sequence is for the platform (if the focus is in the sequence window).