ISCfr25

  • Family IS3
  • Group IS3
MGE type ISRelated element(s) :
Isoform Synonym(s)
Accession numberTranspositionOriginHost
ND Citrobacter freundii
Citrobacter freundii
Citrobacter freundii strain CAV1741
Citrobacter freundii strain CAV1741 plasmid pCAV1741-16
Serratia marcescens strain CAV1492.
Klebsiella oxytoca strain CAV1374
DNA section
IS Length : 1260 bp

Ends


IR Length : 20/26

IRL : TGTAGTGGCATAGTGAATTTGGCCACCTGATTAAATCGCGTGATAGGATC
IRR : TGTAGTGGTCAAGAAAAATTGGCCACGGTCTTATGCTCTAACCAGAACAA

Insertion site


Left flankDirect repeatRight flankDR Length
GAATACCTTTGCCCTGGTGATCT3

DNA sequence

TGTAGTGGCATAGTGAATTTGGCCACCTGATTAAATCGCGTGATAGGATCACGCCCTCATAGACAGGTGGAAAAATGACCGAAAAACACAGACCCTCTTT
TAGCCCCGAATTCAAACTTGAAGCGGCCCAACTGGTCACCGAAAAGGGATACAGCACCCGAGAGGCTGCGGAGGTCATGGGCGTCAGCCATAGCGCCATG
CGGACCTGGGTGAAACAGCTTAGGAGTGAGCGCCAAGGCATCAGTCCCAAGGCCTCGCCGCTGACGCCAGAACAACAAAAAATCCGAGAATTAGAGAGAA
AAATCAAACGGATAGAAGAGGAAAAAGAAATTTTAAAAAAGGCTACCGCTCTCTTGATGTCGGACTCCCTGAACAATTCTCGCTAGTCGAGCGACTCAAG
AAGAGCTTTAGCGTCAAACGCATCTGCGATGTATTCGGGATCCATCGCAGCAGTTATAAGTACTGGGCGGCGCGTCCTCAAGCCATCTCTTCGGAGAAGG
TAAAGCTGCAAGCCGAAGTCCGTAAGGCCCACAACGACAGCAAGGGCTCAGCGGGTGCCAGGACGATTGCAGACATTGTCACGTCCCGCGGCCAGTCTTT
AAGCCGCTATCGGGCAAGCAAACTGATGAAGGAGCTGGGGTTGGTCAGTTGCCAGCCACCCAAGCATGCTTACAAAAAGGCGCATCAAGAGCATGTTGCC
ATCCCTAACCTATTGGATAGGCAGTTCGCGGTGACGGCGCCGAATCAAGTCTGGTGTGGTGATGTGACCTACATCTGGACCGGAACGCAATGGGCCTATC
TGGCGGTGGTGCTGGACCTGTTTGCCCGCAAGCCAGTGGGGTGGGCGATGTCGTTGTCCCCGGATAGCGAGTTGACCAGCAAGGCATTGATGGTGGCTTT
TGAGGCCCGAGGCCGACCCAAGGGGCTACTGTTTCATTCTGACCAGGGAAGCCATTACACCAGCCGTCGATTCCGGCAGCAGCTTTGGCGCTACCAGATC
AGACAGAGCATGAGCCGACGCGGTAACTGCTGGGACAATGCTCCGATGGAGCGATTGTTTAGAAGCTTAAAGACCGAGTGGATGCCCACGACCGGTTACC
GCAGTGTTAACGAAGCCAAACAGGCAATCACGGATTATCTGGTGGGCTACTACAGCCAGGTTAGACCGCACTCCTACAATGGTGGTCTGACACCGAATGA
ATCCGAACGATTGTTCTGGTTAGAGCATAAGACCGTGGCCAATTTTTCTTGACCACTACA
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
312 bp103 aa75386+No
ORF function : Transposase
Description : First part of the transposase

ORF sequence :

MTEKHRPSFSPEFKLEAAQLVTEKGYSTREAAEVMGVSHSAMRTWVKQLRSERQGISPKASPLTPEQQKIRELERKIKRIEEEKEILKKATALLMSDSLN
NSR

 

Blast result :
ORF 2
LengthBeginEndStrandFusion ORF
1023 bp340 aa2301252+No
ORF function : Transposase
Description : Second part of the transposase

ORF sequence :

APRHQSQGLAADARTTKNPRIREKNQTDRRGKRNFKKGYRSLDVGLPEQFSLVERLKKSFSVKRICDVFGIHRSSYKYWAARPQAISSEKVKLQAEVRKA
HNDSKGSAGARTIADIVTSRGQSLSRYRASKLMKELGLVSCQPPKHAYKKAHQEHVAIPNLLDRQFAVTAPNQVWCGDVTYIWTGTQWAYLAVVLDLFAR
KPVGWAMSLSPDSELTSKALMVAFEARGRPKGLLFHSDQGSHYTSRRFRQQLWRYQIRQSMSRRGNCWDNAPMERLFRSLKTEWMPTTGYRSVNEAKQAI
TDYLVGYYSQVRPHSYNGGLTPNESERLFWLEHKTVANFS

 

Blast result :
ORF 3
LengthBeginEndStrandFusion ORF
1178 bp392 aa751252+Yes
ORF function : Transposase
Chemistry : DDE

ORF sequence :

MTEKHRPSFSPEFKLEAAQLVTEKGYSTREAAEVMGVSHSAMRTWVKQLRSERQGISPKASPLTPEQQKIRELERKIKRIEEEKEILKKGYRSLDVGLPE
QFSLVERLKKSFSVKRICDVFGIHRSSYKYWAARPQAISSEKVKLQAEVRKAHNDSKGSAGARTIADIVTSRGQSLSRYRASKLMKELGLVSCQPPKHAY
KKAHQEHVAIPNLLDRQFAVTAPNQVWCGDVTYIWTGTQWAYLAVVLDLFARKPVGWAMSLSPDSELTSKALMVAFEARGRPKGLLFHSDQGSHYTSRRF
RQQLWRYQIRQSMSRRGNCWDNAPMERLFRSLKTEWMPTTGYRSVNEAKQAITDYLVGYYSQVRPHSYNGGLTPNESERLFWLEHKTVANFS

 

Blast result :
Comments
ISCfr25 is 87% aa similar to ISSlo2.
The third ORF is a putative ORFAB transposase reconstructed in silico by possible -1 frameshift.
References
1] Dongsheng ZHOU (2017) Direct submission to ISfinder