ISPa124

  • Family IS5
  • Group IS427
MGE type ISRelated element(s) :
Isoform Synonym(s)
Accession numberTranspositionOriginHost
CP041774.1 ND Pseudomonas aeruginosa
Pseudomonas aeruginosa 60503
DNA section
IS Length : 867 bp

Ends


IR Length : 18/19

IRL : GAGCCGCTAACAAAACCGTTTTGAACGGCCGAGCATTGATGGCAAAATCG
IRR : GAGCGGCTAACAAAACCGTGGAAGGTGGCGAAGGCAGATGATCGAACAGG

Insertion site


Left flankDirect repeatRight flankDR Length
CATGGTGAACTAATTAATCGAGAAAC0
AGCCTGCGGCTAAGCCTCAGAAC3
GCAATGAAACTAAGCATGTTGGC3

DNA sequence

GAGCCGCTAACAAAACCGTTTTGAACGGCCGAGCATTGATGGCAAAATCGTCGGTATGGCCCGTCGCAAAGAGATTCCCGCTGCGCTGTGGAAGCGCATC
GAACCGTTGATCCCGCCAGTGAAGCCCTCGCCCAAGGGAGGGCGACCGCGCGTCAGCGACCAGCAAGCCCTCAATGGCATCATCTACGTCCTGCGCACCG
GTATTCCCTGGGAAGAGCTGCCGCTGGAACTGGGCTACGGCAGCGGCATGACCTGCTGGCGGCGTCTGCGTGACTGGCAGGCGGCTGGGGTGTGGCATCG
TTTGCATCAGGTCCTGCTGGCCGAACTGCGCCGGGCCGACAAACTGGACCTGAGCCGGACAAGCCTGGATGCGGCCAGCGTGGCCTCCCCCCGGGGGGCG
CTTATACCGGGCCGAACCCGACCGATCGCGGCAAGCTCGGCAGCAAACGGCACCTGATCACCGATCGCAACGGCATTCCCCTGGCGTTCTGCGTCACCGG
AGCCAACCGACATGACTCGGTGGTCTTCGAGGAGTTGGTCGAGGCCTTGCCTGCGATCGCCGGCAAGCCGGGACGCCCACGACGCTGGCCGGACAAACTG
CATGCCGACAAGGCCTACGACATCGAGCGCTGCCGCGCGCATCTCAAACAACGAAGGATCACCGCTCGTATCGCTCGCAAAGGAATCGAGCGCAACGACC
GGCTCGGGCGACATCGCTGGGTGGTGGAGCGCACTCATGCCTGGTTCGCGGGCATGGGCAAGCTGCGCATTCGATTCGAGCGCCGCATCGATATCCATCT
GGCCTGGCTGTCACTCGCCTGTTCGATCATCTGCCTTCGCCACCTTCCACGGTTTTGTTAGCCGCTC
Recoding section
  • Recoding by frameshift
  • Frame -1
  • Type translational
  • Experimentally demonstrated No

Stimulators :

  • Shine-Dalgarno sequence :
  • Secondary structure :

Recoding motif :

Protein section
ORF number : 3

 

ORF 1
LengthBeginEndStrandFusion ORF
382 bp133 aa56437+No
ORF function : Transposase
Description : First part of the transposase

ORF sequence :

MARRKEIPAALWKRIEPLIPPVKPSPKGGRPRVSDQQALNGIIYVLRTGIPWEELPLELGYGSGMTCWRRLRDWQAAGVWHRLHQVLLAELRRADKLDLS
RTSLDAASVASPRGALIPGRTRPIAASSAANGT

 

Blast result :
ORF 2
LengthBeginEndStrandFusion ORF
588 bp195 aa274861+No
ORF function : Transposase
Description : Second part of the transposase

ORF sequence :

LAGGWGVASFASGPAGRTAPGRQTGPEPDKPGCGQRGLPPGGAYTGPNPTDRGKLGSKRHLITDRNGIPLAFCVTGANRHDSVVFEELVEALPAIAGKPG
RPRRWPDKLHADKAYDIERCRAHLKQRRITARIARKGIERNDRLGRHRWVVERTHAWFAGMGKLRIRFERRIDIHLAWLSLACSIICLRHLPRFC

 

Blast result :
ORF 3
LengthBeginEndStrandFusion ORF
806 bp268 aa56861+Yes
ORF function : Transposase
Chemistry : DDE

ORF sequence :

MARRKEIPAALWKRIEPLIPPVKPSPKGGRPRVSDQQALNGIIYVLRTGIPWEELPLELGYGSGMTCWRRLRDWQAAGVWHRLHQVLLAELRRADKLDLS
RTSLDAASVAFPPGGAYTGPNPTDRGKLGSKRHLITDRNGIPLAFCVTGANRHDSVVFEELVEALPAIAGKPGRPRRWPDKLHADKAYDIERCRAHLKQR
RITARIARKGIERNDRLGRHRWVVERTHAWFAGMGKLRIRFERRIDIHLAWLSLACSIICLRHLPRFC

 

Blast result :
Comments
ISPa124 is 82% (transposase) aa similar to IS1421.
The third ORF is the putative ORFAB transposase reconstructed in silico by possible -1 frameshift.
References
1] Dongsheng Zhou (2020) Direct submission.