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You can use different items from the Select submenu of the context menu to select a sequence.

Selection in the Sequence View components

Selection of a sequence region is synchronized between different Sequence View components.

In the Sequence Overview the selection is displayed as a blue line:

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     <img src="/wiki/download/attachments/1746600120880218/Selecting Sequence Region.png"/>
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Selecting the Sequence region context menu item opens the Select range dialogIn the Zoom View a blue line with coordinates and the length of the selected region is shown:

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     <img src="/wiki/download/attachments/20880218/Selecting Sequence Region_1.png"/>
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In the Details View a rectangle with a dashed border is shown around the selected region:

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     <img src="/wiki/download/attachments/422731620880218/Selecting Sequence Region_12.png"/>
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Here you can specify the sequence range you would like to select.

You can open the same dialog using the Select sequence region button on a sequence toolbar or using the Ctrl-A key sequence.

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Finally, when one selects an annotation in the Annotations Editor, the corresponding region is also selected in the other components and visa versa.

Selecting a region using the mouse

It is possible to select a region of a sequence using the mouse in each component of the Sequence View.

In the Zoom View and the Details View the selection can be adjusted by dragging its left or right border:

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     <img src="/wiki/download/attachments/20880218/Selecting Sequence Region_3.png"/>
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Selecting a region using the dialog

If information about exact coordinates of a region is available, click the Select sequence region button Image Added on the toolbar or Select–>Sequence region in the context menu of the Sequence View. Input the coordinates in the Region Selection dialog:

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     <img src="/wiki/download/attachments/422731620880218/Selecting Sequence Region_25.png"/>
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And select the Select ‣ Sequence between selected annotations item in the context menu.

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It is possible to input:

• Single Range Selection — a common region with a single range. Use the Min and Max buttons to automatically specify the beginning and the end of the sequence in the corresponding fields.
• Multiple Range Selection — a region that consists of several join elements, for example, exons of a gene. See "The DDBJ/ENA/GenBank Feature Table Definition" for details.

Selecting a region around or between annotations

To select a region between two annotations, for example, an intron region between two exons:

• Click on the annotations, holding the Ctrl/Cmd key:
  
  

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     <img src="/wiki/download/attachments/422731620880218/Selecting Sequence Region_36.png"/>
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• Click Select–>Sequence between selected annotations in the context menu of the Sequence View.

To select a region that contains the annotations in a single range, choose the Sequence around selected annotations item in the menu.