ISCbt4

  • Family IS607
  • Group
MGE type ISRelated element(s) :
Isoform Synonym(s) ISCbo11, ISCbo12
Accession numberTranspositionOriginHost
NC_007581 ND Clostridium botulinum
Clostridium botulinum type C C-Stockholm Bacteriophage c-st
Clostridium botulinum V891 plasmid p1CbV891
DNA section
IS Length : 2554 bp

Ends


IR Length : 0

IRL : AAACTAAACTGTTATGACAAATCTAAACAAAACTATACAAATATGTATAG
IRR : CCGATACGAAAAATATATACATTTCTATCTAAATGTAGACATTTATACTA

Insertion site


Left flankDirect repeatRight flankDR Length
CAAAGAAGGTGAACAAGTTGGGATGAATTACATCGCACAATGGTT0
CAAAGAAGGTGAACAAGTTGGGATGAATTACATCGCACAATGGTT0

DNA sequence

AAACTAAACTGTTATGACAAATCTAAACAAAACTATACAAATATGTATAGAAAAATAGATTTATAACAGGAAGCCCTGTGTATCATGTGAATGGTGCATA
CTCGGTGTTAATTGCTTTTAACTCCTAAAGCCTTACAACCAAAGCGAAGTTGGAAACGACAAGCGTAACGGTGCGAAAGCTGAAAAAATAGTAAGGATGG
CATAAGCTGAAATAAAATCCAATTAGGTTCTATAAAAAGGTAGTCGTGACATATAGAAAACGTTGGACGCTAAATGCTGTAATAATGGATGTTTAGCAGG
GAAATTCCTAAGTCTTTTAAGATATGGAAAACCTTCAACGACTATCTCCTTGAGGGAGAGTAAAACCACAAGCCAATGGTGGAAGAAAAATACCGCATCT
CTTTTGAGATGAAGATATAGTCTACGCTCATATGAAAGTATGAGAGGTCTACTCGTGAGAGAAAGACTGCTATAGGTGTTGCGACTTATAGTGAATAAGA
AAAATATATACAAATATAAAAAAATATTGACATATCTCTCTAAAAAGTGTAATATATAATTATACTAAAGGGAGGTGAGTACATGGAATTAATGTCCATT
GGTAAATTTGCTAAACGTGTAGGCGTTAATGTTGTTACTCTGAGAAGAATGGAGGCTAAGGGAGAGTTTCTTCCAGCTCATGTTTCTTCTGGAGGAACTA
GGTATTATTCAACGGATCAGTTGAAATACTTTGGAAAAAAAAGAAATGCACATAAGTTAGCTGTAGGGTACTGTCGTGTTAACACACCAAGTCAAAAGGA
CGACTTAGAGAATCAAGTAAACAATGTGAAATCTTATATGATTGCCAAAGGCTATCAGTTTGAAATAATCAAAGACATTGGTTCAGGAATTAATTATAAG
AAAAAAGGCTTAAAAGAATTGATAGATAAGATAAATAACCAAGAAGTAAGTAGGGTGGTTATCTTATATAAAGATAGATTAATTCGTTTTGGCTTTGAAT
TAATTGAATATTTATGTCAAATAAACAACGTTGAACTTGAAATTATAGATCATTCCGAAAAGTCTAAAGAGGAAGAACTAACAGATGATTTAATTCAAAT
CATTACAGTTTTTGCAAATAGATTATATGGTCAAAGGTCTAAAAAAACTAAGCGTTTAATTGAGGAAGTGAAAAAACAATGATAGTAGCAATTAAAATAA
AATTAAAGCCAACTAAAGAACAAGAGATTTTATTTTGGAAATCGGCAGGAGTTGCAAGGTGGTCTTATAACTATTTTTTATCAGAAAGTGAAAGACACTA
CCAAGAGTATCTTGAAGGTAAACAAGACAAGAAAACCATAAAAGAAAGCGAAGTCAGAAAATATATTAATAATGTATTAAAAAAGACTACTCATACATGG
CTTAAAGAAGTTGGAAGCAATGTAATGAAACAAGCAGTAAAAGATGCTGACATAGCTAGAAAAAGATGGTTTGATGGTGTTGCAAATAAGCCGAAATTCA
AAAGTAAGCGAAAAAGTAAAGTTAGTTTTTATGTGAATTATGAAAGTCTAAAGCGAACAAATAATGGCTTTAGAGGTGAAAAAATCGGTGTAGTAAAAAC
ATATCAAGCATTACCAAAGTTAAAGAAATGTGAAAAATATTCAAATCCACGAATATCATTTGATGGTATGAATTGGTTTATATCTCTAGGATATAATAAG
GAATTTAAAGCTGTTAAATTAACTGATGTTAGTTTAGGAATTGACGTTGGTATAAAAGAATTAGCTGTGTGTTCAGACGGTCAATTTAAGAAAAATATAA
ATAAAACTAAAAGAGTTAGATTCCTTGAAAAGAAATTGAAACGTGAACAGCGAAAGCTAAGTCATAAACTTGAAGCTAATATTAAAAGTTATGATAAGAA
TAGAAAACCGATTTATAAAAGACCTTTAAGGGATATGAAAAATATCCAAAAACAAAACAGAATAATTCGTAATTTATATAAAAAACTTGAAAATATTCGC
ACAAATCATTTGCATCAATGTTCCAATGAGATAGTGAAAACCAAGCCTTCTCGAATTGTGATGGAAACATTGAATATAAAAGGTATGATGAAGAATAAGC
ATTTATCTAAAGCTATAGCTAATCAAAAGTTATATGAATTTAAAAGACAAATTCAATACAAATGTAAGAAGTATGGAATTAAATTTGTTGAAGCTGATAA
ATGGTATCCATCATCAAAAACTTGTAGTTGTTGTGGTCAAGTTAAATCAGATTTAAAGCTTAAAGACAGATTATATATATGTAGTTGTGGCTTAAAGATG
GATAGAGATTTGAACGCAAGTATTAATTTAGCAAATTACCAAATTCAAAGTGCTTAACCTAAACTAAACTTTGAATATGTACGTAACGATACTACGGAAT
TTAAGCCTGTTAAGAGTCATATCAAATGGTAGTAGCTTCGGCAAACCCAGATTCGTTGAAGCAGGAAGACACAAGACGAAAATCATAAGATATAAGTCGT
GTCATAGTATAAATGTCTACATTTAGATAGAAATGTATATATTTTTCGTATCGG
Protein section
ORF number : 2

 

ORF 1
LengthBeginEndStrandFusion ORF
600 bp199 aa5831182+No
ORF function : Transposase
Chemistry : Serine

ORF sequence :

MELMSIGKFAKRVGVNVVTLRRMEAKGEFLPAHVSSGGTRYYSTDQLKYFGKKRNAHKLAVGYCRVNTPSQKDDLENQVNNVKSYMIAKGYQFEIIKDIG
SGINYKKKGLKELIDKINNQEVSRVVILYKDRLIRFGFELIEYLCQINNVELEIIDHSEKSKEEELTDDLIQIITVFANRLYGQRSKKTKRLIEEVKKQ

 

Blast result :
ORF 2
LengthBeginEndStrandFusion ORF
1179 bp392 aa11792357+No
ORF function : Accessory Gene
AG : TnpB

ORF sequence :

MIVAIKIKLKPTKEQEILFWKSAGVARWSYNYFLSESERHYQEYLEGKQDKKTIKESEVRKYINNVLKKTTHTWLKEVGSNVMKQAVKDADIARKRWFDG
VANKPKFKSKRKSKVSFYVNYESLKRTNNGFRGEKIGVVKTYQALPKLKKCEKYSNPRISFDGMNWFISLGYNKEFKAVKLTDVSLGIDVGIKELAVCSD
GQFKKNINKTKRVRFLEKKLKREQRKLSHKLEANIKSYDKNRKPIYKRPLRDMKNIQKQNRIIRNLYKKLENIRTNHLHQCSNEIVKTKPSRIVMETLNI
KGMMKNKHLSKAIANQKLYEFKRQIQYKCKKYGIKFVEADKWYPSSKTCSCCGQVKSDLKLKDRLYICSCGLKMDRDLNASINLANYQIQSA

 

Blast result :
Comments
ISCbt4 is 66% (ORF A) aa similar to IS607 and 50% (ORF B) aa similar to ISEfa4.
There is 1 complete copy in Bacteriophage c-st. The ends of this IS are defined by comparing the sequences of IS-inserted regions in c-st with those of analogous unoccupied regions in other BoNTX phages ( Sakaguchi,Y. et al, 2005). ISCbt4 are inserted site-specifically into TTGGG sequence.
References
1] Sakaguchi,Y., Hayashi,T., Kurokawa,K., Nakayama,K., Oshima,K., Fujinaga,Y., Ohnishi,M., Ohtsubo,E., Hattori,M. and Oguma,K.(2005) Proc. Natl. Acad. Sci. U.S.A. 102 (48), 17472-17477