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Fnab - Revision history
2026-05-10T15:36:33Z
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Cchem: 4 revisions
2019-01-07T03:14:12Z
<p>4 revisions</p>
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Cchem
https://wiki.pymol.org/index.php?title=Fnab&diff=14483&oldid=prev
Speleo3: 2.2 -> 2.3
2018-12-19T09:18:53Z
<p>2.2 -> 2.3</p>
<p><b>New page</b></p><div>'''fnab''' builds nucleic acid entities from sequence. The sequence must be specified in one-letter code. Only one fragment can be created at a type (no spaces allowed unlike the 'fab' command).<br />
<br />
Similar functionality is also provided by the graphical [[Builder]] in "Nucleic Acid" mode.<br />
<br />
''New in PyMOL version 2.3''<br />
<br />
== USAGE ==<br />
<br />
fnab input [, name [, type [, form [, dbl_helix ]]]]<br />
<br />
== ARGUMENTS ==<br />
<br />
* input = string: Nucleic Acid sequence in one-letter code<br />
<br />
* name = string: name of object to create or modify {default: obj??}<br />
<br />
* mode = string: "DNA" or "RNA" {default: "DNA"}<br />
<br />
* form = string: "A" or "B" {default: "B"}<br />
<br />
* dbl_helix = bool (0/1): flag for using double helix in DNA<br />
<br />
== EXAMPLE ==<br />
<br />
<source lang="python"><br />
# Create default (B-DNA) chain<br />
fnab ATGCGATAC<br />
<br />
# Create B-DNA chain with specific name <br />
fnab ATGCGATAC, name=myDNA, mode=DNA, form=B, dbl_helix=1<br />
<br />
# Create RNA chain<br />
fnab AAUUUUCCG, mode=RNA<br />
</source><br />
<br />
<gallery widths=300 heights=200><br />
Image:fnab_example.png|Example 1<br />
</gallery><br />
<br />
== SEE ALSO ==<br />
<br />
* [[Builder]]<br />
* [[Fab]]<br />
<br />
[[Category:Commands]]<br />
[[Category:Editing Module]]</div>
Speleo3