ISMav2

  • Family IS481
  • Group
MGE type ISRelated element(s) :
Isoform Synonym(s)
Accession numberTranspositionOriginHost
AF286339 ND Mycobacterium avium
Mycobacterium avium subsp. Paratuberculosis
DNA section
IS Length : 1361 bp

Ends


IR Length : 4/5

IRL : TGTATGTATGACGTCGGCTGATGTGTGACGTTTTGTCTTCGGTTGATGTG
IRR : TGTTCAGGGTCGGTTGCTCGGTGACATTTCTATGTCGGTTGATCGGTGAC

Insertion site


Left flankDirect repeatRight flankDR Length
AGTCCTAGTGGGGGCACCAGAGAGCAGCCCC11

DNA sequence

TGTATGTATGACGTCGGCTGATGTGTGACGTTTTGTCTTCGGTTGATGTGTGACGGTGTTTCGGTTGATGCGTGACAGTTGTTTCGGCTGATCGGTGACA
CTCCCTAGATGAGGGAGTTAAGTGTGGCTGAGCAGCGGTATCAGGCCGTGATGGCGGTAATCAGTGACGGGTTGTCGGTGTCGCAGGCCGCAGAGAAGTT
CGGGGTGGCGCGTCAGACGCTGCACCGATGGCTGGCCCGGTATGAAGCCGCGGGCCTGAAGGGGCTGGTGGATCGGTCGCATCGGCCGGTGAGTTGTCCG
CATCAGATGCTGGCGGTAGTGGAGGCGGCGGTGTTGGAGTTGCGCCGCTCGCGGCCCTATTGGGGGCCGCGGCGGTTGGTGTTCGAGTTGGCCAAGCGAG
GTGTCCATCCGGTGCCGTCGGAGTCGCCGGTGTATCGAGCGCTGGTGCGGGCCGGTCTGATCGACCCCGCGATGCGAGATCGACGGTCGCGCAAATGGAA
GCGCTGGGAGCGCGGGGCGCCGATGGAGTTGTGGCAGCTCGACATCGTCGGCGGGTTCCCGCTGGCCGATGGGACCAGCGCCAAAGCCCTGACCGGCATC
GATGATCATTCCCGGATGTGTGTGTGCGCCAAGCTGATGGCCCGTGAGCGCACCCGCGCGGTCTGCGACGGATTACGGGCGGCGCTGGCCGCTTACGGGG
TGCCTGAGCAGATCTTGACCGATAACGGCAAGGTGTTCACCGAGCGGTTTTGTCATCCACCGGTCGAGGTGCTCTTTGATGCGATCTGCCGCGAGCACGG
CATCGAACATCTGTTGACCCAGCCGCGCAGCCCGACCACGACCGGCAAAATCGAGCAGTTTCACCGCAGTCTGCGCGCTGAGTTCCTTAGCGGCCGTGAG
CCTTTCACCAACCTCAAGGTCGCTCAGCAGGCGCTCGATGAGTGGGTCGAGGACTACAACACCACCCGGCCGCACCAAGCCCTAAAGATGATCACACCGG
CTCAACGGTTTCACGCCGGTGCGCCGGCATCACCACCGTCGAACTCGTGTGCCCGACACGTCGACCGCAGTGGTGATGACTGGGTGAGTCGGCGGGTGTG
CTCCAACGGCATCGTGTGCGTGTCCTGGCAGCAGGTCTGTATCGGGCGCCACTATGCCGGCGCCCGCTGCGATGTCCACGTCGATGGGGACCTGCTGAGG
TTTTGGGTCGGCGACAATCTGGTCAAAACCGCCGCGCGCACCAGCCGCGGCGAGGTACGAAACAAACAGGCCCTGCGCACCAACGCACCGGCCTAAAACA
CAACCCAGAGTGTCACCGATCAACCGACATAGAAATGTCACCGAGCAACCGACCCTGAACA
Protein section
ORF number : 1

 

ORF 1
LengthBeginEndStrandFusion ORF
1188 bp395 aa1091296+No
ORF function : Transposase
Chemistry : DDE

ORF sequence :

MRELSVAEQRYQAVMAVISDGLSVSQAAEKFGVARQTLHRWLARYEAAGLKGLVDRSHRPVSCPHQMLAVVEAAVLELRRSRPYWGPRRLVFELAKRGVH
PVPSESPVYRALVRAGLIDPAMRDRRSRKWKRWERGAPMELWQLDIVGGFPLADGTSAKALTGIDDHSRMCVCAKLMARERTRAVCDGLRAALAAYGVPE
QILTDNGKVFTERFCHPPVEVLFDAICREHGIEHLLTQPRSPTTTGKIEQFHRSLRAEFLSGREPFTNLKVAQQALDEWVEDYNTTRPHQALKMITPAQR
FHAGAPASPPSNSCARHVDRSGDDWVSRRVCSNGIVCVSWQQVCIGRHYAGARCDVHVDGDLLRFWVGDNLVKTAARTSRGEVRNKQALRTNAPA

 

Blast result :
Comments
ISMav2 is 65% aa similar to ISSco2. ISMav2 is present in at least 3 copies on the genome.
Inverted repeats: TGA TCG GTG ACA CTC; positions: IRL 88 bp downstream of DRL (position 891 of AF286339); IRR 39 bp upstream of DRR (position 2109 of AF286339)
Homology of the putative transposase (ORF1) to a putative transposase of Streptomyces coelicolor (T35457, 60,3% along 273 aa; Al109949, position 18050 to 19130, 59,4% along 1086 bp)
ISMav2 was found in all 79 tested M. avium ssp. paratuberculosis strains,but in none of 10 M. avium ssp. avium strains and none of 10 tested reference strains of 10 other mycobacteria species.
References
1] Strommenger,B., Stevenson,K. and Gerlach,G.-F.(2001) FEMS Microbiol. Lett. 196 (1), 31-37