3 * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
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23 <title>Sequence Features</title>
27 <strong>Sequence Features</strong>
30 Jalview can colour parts of a sequence based on the presence of
31 sequence features - which may be retrieved from database records
32 (such as UniProt), the result of <a href="search.html">sequence
33 motif searches</a> or simply read from a <a href="featuresFormat.html">sequence
34 features file</a>. You can also <a href="creatinFeatures.html">create
35 features</a> from the results of searches or the current selection,
36 and <a href="editingFeatures.html">edit features</a> by double
40 <strong>Sequence Feature Colouring Styles</strong>
43 By default, Jalview will assign a color to each feature based on its
44 type. These colours can be changed from the <a
45 href="featuresettings.html">feature settings</a> and <a
46 href="editingFeatures.html">amend features</a> dialog boxes. Since
47 Jalview 2.5, it is also possible to define <a
48 href="featureschemes.html">feature colourschemes</a> to shade
49 features based on their associated scores or text labels.
52 <strong>Sequence Feature Groups</strong>
55 Since Jalview 2.08, sequence features assigned to a sequence can be
56 organised into groups, which may indicate that the features were all
57 retrieved from the same database (such as UniProt features), or
58 generated by the same analysis process (as might be specified in a <a
59 href="featuresFormat.html">sequence features file</a>).
62 <strong>Sequence Feature Inheritance</strong>
65 Since Jalview 2.08, sequence features are <em>global</em> to a set
66 of sequences appearing (independently or together) in many different
67 alignments. Practically, this means features loaded onto one
68 alignment can be viewed in any alignments involving the same
69 sequences. The same sequence appears in different alignments when a
70 new alignment is generated by submitting an existing set of
71 sequences to one of the alignment or prediction web services, and
72 when sequences are copied and pasted into other alignment windows.
75 <strong>View→Show Sequence Features</strong>
77 <p>Toggle the display of sequence features in this alignment. If
78 feature retrieval has not already been carried out, then Jalview
79 will automatically try to fetch sequence features (as described
82 <strong>View→Sequence Feature Settings...</strong>
85 Once sequence features have been loaded, their display can be fully
86 controlled using the alignment window's <a
87 href="featuresettings.html">Sequence Feature Settings</a>
88 dialog box. Feature colour schemes and display parameters are unique
89 to a particular alignment, so it is possible to colour the same
90 sequence features differently in different alignment views.
93 <strong>View→Sequence ID Tooltip→Show
94 Non-Positional features</strong><br> <em>Only available in
97 <p>Toggles the display of non-positional features in the sequence
98 ID tooltip, and whether they will be included when sequence features
99 are exported using "File→Export Features".</p>
101 Precalculated Sequence Features may be added to an alignment from
102 the command line, drag and drop, or from the "File→Load
103 Features / Annotations" menu item. See the <a
104 href="featuresFormat.html">Features File Format</a> for more