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Class II intron


Definition: introns that do not possess the conserved sequences of P,Q, R, and S found in class I (q.v.). Group consists of ribozymes and mobile genetic elements that show wide variation in both features and behavior, suggesting that diverse evolutionary pathways have been taken.

See Also: Class I intron

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.