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Intein

Biology IntegumentIntercalated disc

Intein
Selfish DNA elements located within coding regions that are translated with the interrupted protein, but then catalyze their own excision and the formation of a peptide bond between the flanking protein regions.

 


Inteins
Another, very rare, post-translational modification is the later removal of a section of the polypeptide and the splicing together (with a peptide bond) of the remaining N-terminal and C-terminal segments.

Intein Database on Web (February 1999)
Bioinformatics Guide (February 1999)
System Identifies Polymorphisms (February 1999)
Unfinished Microbial Genomes Searchable (February 1999)
Embnet.news on Web (February 1999) ...

"Inteins, introns, and homing endonucleases: recent revelations about the life cycle of parasitic genetic elements." BMC Evol Biol. 2006 Nov 13; 6: 94. PMID 17101053
^ Fedorov A, Cao X, Saxonov S, de Souza SJ, Roy SW, Gilbert W.

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See also: Organ, Trans, Protein, Proteins, DNA

Biology IntegumentIntercalated disc

 
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