Repbase Reports

2009, Volume 9, Issue 7
July 31, 2009
Copyright © 2001-2016 - Genetic Information Research Institute
ISSN# 1534-830X
Page 1554

Proto2-1_BF

Amphioxus Proto2-1_BF autonomous Non-LTR Retrotransposon - consensus.

Submitted:
10-Jul-2009
Accepted:
31-Jul-2009
Key Words:
Proto2; Non-LTR Retrotransposon; Transposable Element; Proto2-1_BF
Source:
Branchiostoma floridae
Organism:
Branchiostoma floridae
Taxonomy:
Eukaryota; Metazoa; Chordata; Cephalochordata; Branchiostomidae; Branchiostoma
[1] Authors:
Kapitonov,V. and Jurka,J.
Title:
Proto2, a novel clade of metazoan non-LTR retrotransposons.
Journal:
Repbase Reports 9(7), 1554-1554 (2009)
Abstract:
Proto2-1_BF is a very young family of non-LTR retrotransposons. It belongs to a novel clade of metazoan non-LTR retrotransposons called Proto2. This clade includes families of non-LTR retrotransposons present in the hydra (from Proto2-1_HM to Proto2-5_HM), annelid (from Proto2-1_CS1 to Proto2-8_CS1), and hemichordate (Proto2-1_SK) genomes. A model Proto2 non-LTR retrotransposon is 4.3 kb long, contains two ORFs; its 3' terminus is composed of microsatellites; usually there is no target site duplications generated upon retrotransposition of Proto2 elements. ORF1 codes for a protein conserved in elements from all species mentioned above. ORF2 codes for a protein composed from the AP endonuclease and reverse transcriptase domains. It appears that the Proto2 clade is a clade ancestral to the RTE and RTEX clades.
Derived:
[1] (Consensus)
Download Sequence - Format:
IG, EMBL, FASTA
References:

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