ISAs20

  • Family IS3
  • Group IS3
MGE type ISRelated element(s) :
Isoform Synonym(s)
Accession numberTranspositionOriginHost
CP022426 ND Aeromonas salmonicida
Aeromonas media WS
Aeromonas salmonicida
Aeromonas salmonicida subsp. pectinolytica 34mel
DNA section
IS Length : 1674 bp

Ends


IR Length : 19/29

IRL : CCCCCGGTGTCAGAATAGTTGTCGCCTAATCTGAATAATCTAAATGTGAA
IRR : CGGCGTTTTTCAAGATAGTTGTCGCGCAAAGCTGTTTTAAGCAGCCTCTT

Insertion site


Left flankDirect repeatRight flankDR Length
TTGGCCAGCCACTGTTCGGCAGCG4
CAGCAGCAGCAAGGCCCCCAGCCA4
AAGCAAGCCAACGGCTTGTCCCCA4
TCGCGTTAGGAGTCTTTGCTCGTA4
TGAGCACTCACCTCCCGTCCGATC4
TTACGAAGGAAGTGCGAGTG0
TCGGCATGGGCCCTTTCCCA0
CCCAAATGCTGATATGGGCT0

DNA sequence

CCCCCGGTGTCAGAATAGTTGTCGCCTAATCTGAATAATCTAAATGTGAAGACCGGGGGCGGATAAAGAGTGTCGAATGGCTCGTTATTCAAGTGAGCGC
AAGGCTGCTTTGCTCAAGAAGCTGCTGCCGCCCATCAATATGTCGGTGGCCGAGTTGGCTCGGCAGGAAAACATCAGCGAGGTCACTCTGTATAATTGGC
GCAAACACGCCAAAGACGGAGGGTCTCCTGTGCCCGGGGACAACAAACTGACCGATGAATGGCCCGCCGAGGCCAAGTTCGCCGTCGTGCTGGAAACCGC
TGCGCTTTCCGAGATTGAACTCAGTGAGTACTGCCGCCGTAAGGGTCTCTATCCCGAGCAAGTCCAGCAATGGCGCCAAGCCTGTATTCTGGGCCAGCAA
TCCGCTCGTACCTTACAACAGGCGGAGAAGGCACAGGCCAAAGCGGACAAGAAGCGTATCCGGCAACTGGAGCAAGAGCTGCGGCGCAAAGACAAGGCCC
TGGCCGAGGCGGCAGCTCTGCTGATATTGCAAAAAAAGCTCGATGCCTACTGGAGCAACGTCGACGAGGACAACTGACCTCGTTGCCAGAGCGGCAGCAA
TACGTTGCATGGTGGCGCGAAGCGCTTGAAGCTGGCGCCCGCAAGCATCCTGCGGCCGAGGTGTTGGGGCTGAGTCTGCGCACGCTCCAGCGCTGGTTGG
CCGGCCCTGAGCTGAGTGCCGATAGGCGACCGGATGCGGTTCGTTCCATACCTGCTCATGCATTGAGCCCAGAGGAGCGGCAGGCCGTGCTGGACGTCTG
CAATAGCCAGGAGTTCGCCTCGTTGCCGCCGAGTCAAATTGTGCCACGGCTGGCCGACCAGGGGCGCTACTTGGCCAGTGAGTCGAGCTTCTATCGCATC
TTGCGGGCGGCTGACCAGCAGCACAGGCGTGGCCGGAGCCAGCCACCGCGTCATGTGCCGGTACCAACCAGCCATACCGCGACTGGGCCCAATCAAGTGT
GGTCCTGGGATATCACCTACTTGCCGTCACTCGTGCGCGGCCAGTATTACTACCTCTATCTGATAGAGGACATCTACAGCCGCAAAGGGGTGGGCTGGGA
AGTGCATGAGCAAGAGTGCGGTGAACGGGCGGCGGCGTTGCTGCAACGGAGCATCATCCGCGAGCAGTGCTGGAAGCAGCCGCTGGTCTTGCACTCGGAC
AACGGCGCGCCAATGAAGTCAGTCACGCTGCTGACCAAGATGCATGACCTGGGTGTCACGCCCTCGCGGGGACGGCCTCGGGTCAGCAACGATAATCCGT
ACTCGGAGTCATTGTTCAGGACGCTGAAGTACTGTCCGCAGTGGCCATCAGACGGCTTTGCCAGTCTGGAAGCGGCCAGGGAGTGGGTGCGCGACTTTAT
GGCCTGGTATAACGAAGAGCACCGGCATAGCCGTATCCGCTTCGTCACACCCAACGAGCGGCATCGGGGTGACGATAAAGCCCTGCTGGCGAAACGGGAT
GCTGTGTACCAGGCCGCCCGAGCACAACACCCAGCGAGGTGGAGTGGCAAGACGCGAGACTGGACACCTATCGGTGCCGTGATGCTAAATCCGGAGCGGC
CCGAGAAACCCGAGCCGGAGCAGAAAGAGGCTGCTTAAAACAGCTTTGCGCGACAACTATCTTGAAAAACGCCG
Recoding section
  • Recoding by frameshift
  • Frame
  • Type
  • Experimentally demonstrated

Stimulators :

  • Shine-Dalgarno sequence :
  • Secondary structure :

Recoding motif :

Protein section
ORF number : 3

 

ORF 1
LengthBeginEndStrandFusion ORF
501 bp166 aa77577+No
ORF function : Transposase
Description : First part of the transposase

ORF sequence :

MARYSSERKAALLKKLLPPINMSVAELARQENISEVTLYNWRKHAKDGGSPVPGDNKLTDEWPAEAKFAVVLETAALSEIELSEYCRRKGLYPEQVQQWR
QACILGQQSARTLQQAEKAQAKADKKRIRQLEQELRRKDKALAEAAALLILQKKLDAYWSNVDEDN

 

Blast result :
ORF 2
LengthBeginEndStrandFusion ORF
1218 bp405 aa4211638+No
ORF function : Transposase
Description : Second part of the transposase

ORF sequence :

GGEGTGQSGQEAYPATGARAAAQRQGPGRGGSSADIAKKARCLLEQRRRGQLTSLPERQQYVAWWREALEAGARKHPAAEVLGLSLRTLQRWLAGPELSA
DRRPDAVRSIPAHALSPEERQAVLDVCNSQEFASLPPSQIVPRLADQGRYLASESSFYRILRAADQQHRRGRSQPPRHVPVPTSHTATGPNQVWSWDITY
LPSLVRGQYYYLYLIEDIYSRKGVGWEVHEQECGERAAALLQRSIIREQCWKQPLVLHSDNGAPMKSVTLLTKMHDLGVTPSRGRPRVSNDNPYSESLFR
TLKYCPQWPSDGFASLEAAREWVRDFMAWYNEEHRHSRIRFVTPNERHRGDDKALLAKRDAVYQAARAQHPARWSGKTRDWTPIGAVMLNPERPEKPEPE
QKEAA

 

Blast result :
ORF 3
LengthBeginEndStrandFusion ORF
1562 bp520 aa771638+Yes
ORF function : Transposase
Chemistry : DDE

ORF sequence :

MARYSSERKAALLKKLLPPINMSVAELARQENISEVTLYNWRKHAKDGGSPVPGDNKLTDEWPAEAKFAVVLETAALSEIELSEYCRRKGLYPEQVQQWR
QACILGQQSARTLQQAEKAQAKADKKRIRQLEQELRRKDKALAEAAALLILQKKARCLLEQRRRGQLTSLPERQQYVAWWREALEAGARKHPAAEVLGLS
LRTLQRWLAGPELSADRRPDAVRSIPAHALSPEERQAVLDVCNSQEFASLPPSQIVPRLADQGRYLASESSFYRILRAADQQHRRGRSQPPRHVPVPTSH
TATGPNQVWSWDITYLPSLVRGQYYYLYLIEDIYSRKGVGWEVHEQECGERAAALLQRSIIREQCWKQPLVLHSDNGAPMKSVTLLTKMHDLGVTPSRGR
PRVSNDNPYSESLFRTLKYCPQWPSDGFASLEAAREWVRDFMAWYNEEHRHSRIRFVTPNERHRGDDKALLAKRDAVYQAARAQHPARWSGKTRDWTPIG
AVMLNPERPEKPEPEQKEAA

 

Blast result :
Comments
ISAs20 is 79% aa similar to ISPsy31.
The third ORF is a putative ORFAB transposase reconstructed in silico by a possible -1 frameshift.
References
1] F. Pfeiffer (2015) Direct submission
2] F. Pfeiffer, M.A. Zamora-Lagos, M. Blettinger, A. Yeroslaviz, A. Dahl, S. Gruber, B.H. Habermann (2018) BMC Genomics 19 (1), 20