Element:Melmoth

From The Gypsy Database

Description

Melmoth is a Ty1/Copia LTR retrotransposon originally described in Brassica (Pastuglia et al. 1997) and also found in other plant organisms such as Arabidopsis (Llorens et al. 2009). This element belongs to the Retrofit clade within Branch 2 of the Ty1/Copia LTR retrotransposons (Llorens et al. 2009). Melmoth of Arabidopsis is taken as a representative. This element is 4769 bp in size, including 128-bp LTRs. The internal region encodes for a single Open Reading Frame (ORF) of 1454 amino acids containing both gag and pol polyprotein domains.

Structure

Melmoth.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:20198109
Clade:Retrofit
Cluster or genus:Undetermined
Branch or class:Branch 2
Family:Ty1/Copia
System:LTR retroelements
Host:
Explore the Tree Life Project
Arabidopsis thaliana.gif
Arabidopsis thaliana
Photo: www.knoch1.de
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