Difference between revisions of "Dot-Bracket Notation"

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<p>[[File:Dotbracket.jpg|thumb|274px|A hairpin loop as it appears in EteRNA.  Sequence and structure in dot-bracket notation appear below]] Dot-bracket notation is a convenient way of representing [[RNA Structure#Secondary Structure|secondary structure]]. Each character represents a [[base]]. Open parentheses indicate that the base is [[Base Pair|paired]] to another base ahead of it. Closed parentheses indicate that a base is paired to another base behind it. Periods, or dots, indicate an unpaired base. The number of open and closed parentheses will always be equal.    Some [[Secondary Structure Databases|secondary structure databases]] include other characters ( [] , {}, &lt;&gt;, a, etc...) to represent pairing in [[Secondary Structural Motifs in RNA#Pseudoknots|pseudoknots]]. To convert these structures to the simple dot-bracket notation used in EteRNA, substitute a period for all of the alternate symbols.</p>
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<p>[[File:Dotbracket.jpg|thumb|274px|A hairpin loop as it appears in EteRNA.  Sequence and structure in dot-bracket notation appear below]] Dot-bracket notation is a convenient way of representing [[RNA Structure#Secondary Structure|secondary structure]]. Each character represents a [[base]]. Open parentheses indicate that the base is [[Base Pair|paired]] to another base ahead of it. Closed parentheses indicate that a base is paired to another base behind it. Periods, or dots, indicate an unpaired base. The number of open and closed parentheses will always be equal.    Some [[Secondary Structure Databases|secondary structure databases]] include other characters ( [] , {}, &lt;&gt;, a, etc...) to represent pairing in [[Secondary Structural Motifs in RNA#Pseudoknots|pseudoknots]].</p>

Latest revision as of 16:31, 3 November 2013

A hairpin loop as it appears in EteRNA. Sequence and structure in dot-bracket notation appear below
Dot-bracket notation is a convenient way of representing secondary structure. Each character represents a base. Open parentheses indicate that the base is paired to another base ahead of it. Closed parentheses indicate that a base is paired to another base behind it. Periods, or dots, indicate an unpaired base. The number of open and closed parentheses will always be equal. Some secondary structure databases include other characters ( [] , {}, <>, a, etc...) to represent pairing in pseudoknots.

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