Element:Tamy

From The Gypsy Database

Description

Tamy is a LTR retrotransposon characterized in the saturniid silkworm Antheraea mylitta (Ghosh et al. 2005). Tamy belongs to Pao clade (Copeland et al. 2005) within Branch 2 of the Bel/Pao family (Llorens et al. 2009). Tamy genome is about of 8.4 Kb in size (8387 bp long). Its LTRs of 1305 nt bind the internal coding region that displays a Primer Binding Site (PBS) for a tRNATyr, a single ORF (of 1919 amino acids) for gag and pol domains and a Polypurine Tract (PPT) adjacent to the 3´LTR. The gag nucleocapsid protein contains three zinc finger motifs of Cys-His type typical of Pao-like elements, while pol presents the typical PR, RT, RH and INT domains (Ghosh et al. 2005).

Structure

Tamy.png


Figure not to scale. If present, long terminal repeats (LTRs) have been highlighted in blue. Amino acid motifs noted with lines indicate the conserved residues in each protein domain, abbreviations below mean:

MA=matrix PR=protease DU or DUT=dUTPase TM=transmembrane TAV or IBMP=transactivator/viroplasmin or inclusion body matrix protein
CA=capsid RT=reverse transcriptase INT=Integrase CHR=chromodomain
NC=nucleocapsid RH=RNaseH SU=surface MOV=movement protein
PPT=polypurine tract PBS=primer binding site ATF=aphid transmission factor VAP=virion associated protein

Related literature

Genbank accession:33327732
Clade:Pao
Cluster or genus:Undetermined
Branch or class:Branch 2
Family:Bel/Pao
System:LTR retroelements
Host:
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Antheraea mylitta.png
Antheraea mylitta
Courtesy of Andreas Riekert
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