ISFop4

  • Family IS3
  • Group IS150
MGE type ISRelated element(s) :
Isoform Synonym(s)
Accession numberTranspositionOriginHost
CP022377 ND Francisella opportunistica
Francisella sp. MA067296
Francisella opportunistica
Francisella opportunistica PA05-1188
Francisella sp. PA05-1188
DNA section
IS Length : 1266 bp

Ends


IR Length : 22/26

IRL : TATAGTGGTACGGTTTTTTCGGACAGGTAGCTAAGAAGGTAAAATAGGTG
IRR : TATAGTGGTGAATTTTTTCGGACAGTATTTAGTCAAAAAATAGATGTCAA

Insertion site


Left flankDirect repeatRight flankDR Length
AGGATGATAAtccTAAGCAAAAA3
TTTTAAATAGcacACCCCTCTTC3

DNA sequence

TATAGTGGTACGGTTTTTTCGGACAGGTAGCTAAGAAGGTAAAATAGGTGTCTTCGATAAGAAAAGGAGACATAAATGAAGAAGAAAAAATCTCATAGTG
CTGCATTTAAATATGAGGTATCAGTTGTAGCCATAAAAGGTGAATTAACCCAAGCTCAAATCAGTAGTAAATACGAAATTCACTCTAGCCAGATTACAAG
CTGGAAGAAGCAGGCTTTAGAGAGCATAAAACAACTATTTTCAGGTAAACTTCCGCCAGTTAAGCAAGATTTATTAGACGAAAAAGAAAAATCAAAGCTA
TACGAAGAAATTGGTAGGCTCAAAGTGGAGCTTGACTGGATGAAAAAAAAATCTAATTTTGAGTTGTAGGGATAAGAAAATGTTAATAGAACCAAATAAT
CCAGATATCCCAATAGTCAGACAGTGTCAACTTTTGGGCTTAAATAGATCAGTATATTATTATCAGTATAAAGGTATAGATGAGCATACTGAAAACTTAA
TGCGTCTAATAGATGAGCGTTATACAGCAAGGCCACATGAAAGCTCTAGAAAGATTATGGTATACCTAAATAACCTTGGATACGATGTTACTCGAAATCA
AGTAAAATACTTGATGGATAAAATGGGTTTACAAGCTATATACCCAAAGCCAATCACAAGCGCAAAATCTAGACAAGAACATATTATATATCCATATCTA
CTAAATGATATTTGTGTTTACTACCCTAACCAAGTATGGTGCTCAGATATAACATATATTCGTATGAAACATGGGCATATATATCTTGTAGCAATAATGG
ACTGGTATAGTAGGTATGTAATTGATTGGCAGTTGAGCATTAGTTTAGAAGCAGAATTTTGTATTGATACTCTTAAGAGAGCTTTAGCTAGTAGTAGCTG
TGGTATTTTCAATACAGATCAAGGAGCACAGTATACTTCAAACGCTTGGATAAATACCTTGCTAAATAAAGGTATCTCAATTAGTATGGATGCTAAAGGT
AGATGTTTTGATAATATATTTATTGAGCGTCTATGGAGAAGTGTTAAATACGAATATATATACCTAAAAGAATTTGAGTCAGTAGCTGAAGTTAGAGAAG
CTCTGACTGATTACTTTGAATATTATAATACTGATAGATATCATCAAAGTTTAGAATATAAGACTCCTGCTGATGTGTATTTTAGTAAAGTTAAAATAGA
AAATATTTTTGATAATTTGACATCTATTTTTTGACTAAATACTGTCCGAAAAAATTCACCACTATA
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
294 bp97 aa76369+No
ORF function : Transposase
Description : First part of the transposase

ORF sequence :

MKKKKSHSAAFKYEVSVVAIKGELTQAQISSKYEIHSSQITSWKKQALESIKQLFSGKLPPVKQDLLDEKEKSKLYEEIGRLKVELDWMKKKSNFEL

 

Blast result :
ORF 2
LengthBeginEndStrandFusion ORF
891 bp296 aa3441234+No
ORF function : Transposase
Description : Second part of the transposase

ORF sequence :

KKNLILSCRDKKMLIEPNNPDIPIVRQCQLLGLNRSVYYYQYKGIDEHTENLMRLIDERYTARPHESSRKIMVYLNNLGYDVTRNQVKYLMDKMGLQAIY
PKPITSAKSRQEHIIYPYLLNDICVYYPNQVWCSDITYIRMKHGHIYLVAIMDWYSRYVIDWQLSISLEAEFCIDTLKRALASSSCGIFNTDQGAQYTSN
AWINTLLNKGISISMDAKGRCFDNIFIERLWRSVKYEYIYLKEFESVAEVREALTDYFEYYNTDRYHQSLEYKTPADVYFSKVKIENIFDNLTSIF

 

Blast result :
ORF 3
LengthBeginEndStrandFusion ORF
1159 bp386 aa761234+Yes
ORF function : Transposase
Chemistry : DDE

ORF sequence :

MKKKKSHSAAFKYEVSVVAIKGELTQAQISSKYEIHSSQITSWKKQALESIKQLFSGKLPPVKQDLLDEKEKSKLYEEIGRLKVELDWMKKKNLILSCRD
KKMLIEPNNPDIPIVRQCQLLGLNRSVYYYQYKGIDEHTENLMRLIDERYTARPHESSRKIMVYLNNLGYDVTRNQVKYLMDKMGLQAIYPKPITSAKSR
QEHIIYPYLLNDICVYYPNQVWCSDITYIRMKHGHIYLVAIMDWYSRYVIDWQLSISLEAEFCIDTLKRALASSSCGIFNTDQGAQYTSNAWINTLLNKG
ISISMDAKGRCFDNIFIERLWRSVKYEYIYLKEFESVAEVREALTDYFEYYNTDRYHQSLEYKTPADVYFSKVKIENIFDNLTSIF

 

Blast result :
Comments
ISFop4 is 68% aa similar to ISCysp23.
The third ORF is the putative ORFAB transposase reconstructed in silico by possible -1 frameshift.
References
1] Elizabeth Dietrich (2018) Direct submission.