ISCbt1

  • Family IS200/IS605
  • Group IS605
MGE type ISRelated element(s) :
Isoform Synonym(s)
Accession numberTranspositionOriginHost
NC_007581 ND Clostridium botulinum
Clostridium botulinum type C C-Stockholm Bacteriophage c-st
DNA section
IS Length : 2209 bp

Ends


Left end : AACAAATCGCAAAAGAAAGCCAACTCCTTTAGGGGTTGGATGAATTTTGTGCAAGAGATTGTTTTTAAAAAGTGTATAAATATATTGACAACATACACAA II struct. : Yes
Right end : GTATTTATATGTTGTAATTTATTTGAAGTTTAAATAAATGAGAGTATAAAAGAAGTTAATGTATCTAAGAACCCCAAGGCTTTAGTCTTGGGAGTGTCAG II struct. : Yes

Insertion site


Left flankLE cleavage siteRight flankRE cleavage site
TAATATGAAAAGTATTACTGAAACTATTAAAAAGATTGTATCAG
TGTTAAAATGATGAATATTACCAATAGATCAAAAGGGGGTCAG
ATAAGCCTGCAATTATTTACAAAAAGCTGTTAACTAAAATCAG
TAAGTTAAGAAAATACTTTACTCAAAATAAAAGAAAGAGGTCTCAg

DNA sequence

AACAAATCGCAAAAGAAAGCCAACTCCTTTAGGGGTTGGATGAATTTTGTGCAAGAGATTGTTTTTAAAAAGTGTATAAATATATTGACAACATACACAA
TGATATGGTAATATATACACATGGAAAACAAATATAGAAAAACATCAACAACAATAAGTTTAATAAATTATCATTTTATTTTCTGTCCTAGATATAGAAG
AAAAATATTTGATATATCTAATGTAGAAAATAGATTTAAAGAATTAGTTAAAGATATATGTGAAGAACTAGATATTAAAATAATAGCTATGGAATGTGAC
AGAGACCACACACATATGTTTTTAAATTGTCTACCTACTTTATCACCTAGAGATATCATGCAAAAAATAAAAGGTGTAACAAGTAGAGAATTAAGAAAGG
AATTTGTAGAACTATCAAAAATGCCTAGTCTATGGACTAGAAGTTATTTTGTTTCAACAGCAGGTAATATATCAAGTGAAACGGTAAAACAATATGTAGA
AAATCAAAAAAAGAGGTATTAATAAAGGAGGTGAATACTATGGCTAAATCAAAAACATCAAGTTATATATTAACTTTAAAATTAAAAACAGAAAAGTATC
AAGAAGATATATTAAATAAAAGACTAGAAATCAGCAGAAATATATATAACTCTTGTTTAGGTGAAATATTAAAAAGATATAAACATACAAGAGAATTGAA
AGACTATAGGAAAGAATATAAAAATATAATTAAAATGAGTAAAGACAAAGAACGTAGTAAAAAATTTAATGAATTAAATAAAAAATATGATTTAACTGAG
TATTCACTTCATACATATGTTAAACCAATTCAAAAGCATTTTAAAGATAATGTAGATAGTTTTACAGCTCAAAAGATAGCAACAAGAGTTTTTAATTCAT
TTCAGAAACTAATGTTTCATCAAGCTAAAAGAGTATATTTTAAAAGATATGGTGAATTAAATAGTGTTGAGGGTAAATCTAATAAAACTGGCATTAGATT
TCAAGATAATTCGTTAATATGGAATGGGTTAAAAATACCTGTAATAATAAAAACTAATGATATATATGTTCAAATGTCATTAGAAAATAGAGTTAAGTAC
TGTAGAATCATCAGAAGGATTGTAAAAGGTAAAATCAAATTTTATGTTCAATTAATTCTTGAAGGAATACCTCCTATGAAGATTAATAAGACTACAGGCG
AGATAAAAAATAAGATAGGTAAAGGTAATGTGGGGATAGATATAGGTACAAGAACTATTGCAGTATCTAGTGAAAATGATGTTAAGTTATTAGAGTTAGC
ACCTGAGATTGATAATATAGAAAATCAAAAAAGAATATTAAATAGGAAATTAGATAGACAAAGACGTGCTAATAATCCTAATAAGTATAATGAAGATGGA
ACTATTAATAGGAATAATAAAGATAAATGGATCAAATCTAATAGATATATTAAAACTCAAAATAAACTTAAAGAAATTCAAAGGAAACAAGCTGAAATCA
GAAAACAAAGTCATTATAGACTAATAAATAGATTGTTACTATTGGGTAATAGATTTTTAGTAGAAACCATGAATTATAAGGGACTACAGGCTAGAGTAAA
AGAAACTACTATAAATGAGAAAACAGGTAGATTCAATAAAAAGAAAAGATTTGGTAAGAGTCTAGCGAATAAAGCACCTAGTATGTTTTTAACTATGTTA
GATAATAAGCTAAAATGGAATAATACTCAACTATTCAAAATAGATACTAAGAAATGCAAAGCAAGTCAATATAATCATTTTACAAATGAATATTGTAAGA
AAGAGTTAAAAGACAGATGGAATGAAGATATTCAAATTCAAAGAGATATGTATTCTGCATTTTTAATAATGAATGTTGTAGGTAAAACATTAGATAAAAT
AGATAGAGATTTATGTATTGAAACTTATGATAATTTTAGGAGATTACACGACAAAGAGATAGAAAGATTAAAAGAATTAAAGAAAAATGGATATAAATTA
ATATCCAGTATGGGGATATAAAATCTATATAGGTTTAGACATGAGCCTTATACTAATGTTAATCATTTATTAAAATGATAATTAGTGAAAGTCTTAGAGA
AACTAACTAGTATTTATATGTTGTAATTTATTTGAAGTTTAAATAAATGAGAGTATAAAAGAAGTTAATGTATCTAAGAACCCCAAGGCTTTAGTCTTGG
GAGTGTCAG
Protein section
ORF number : 2

 

ORF 1
LengthBeginEndStrandFusion ORF
402 bp133 aa121522+No
ORF function : Transposase
Chemistry : Y1

ORF sequence :

MENKYRKTSTTISLINYHFIFCPRYRRKIFDISNVENRFKELVKDICEELDIKIIAMECDRDHTHMFLNCLPTLSPRDIMQKIKGVTSRELRKEFVELSK
MPSLWTRSYFVSTAGNISSETVKQYVENQKKRY

 

Blast result :
ORF 2
LengthBeginEndStrandFusion ORF
1482 bp493 aa5402021+No
ORF function : Accessory Gene
AG : TnpB

ORF sequence :

MAKSKTSSYILTLKLKTEKYQEDILNKRLEISRNIYNSCLGEILKRYKHTRELKDYRKEYKNIIKMSKDKERSKKFNELNKKYDLTEYSLHTYVKPIQKH
FKDNVDSFTAQKIATRVFNSFQKLMFHQAKRVYFKRYGELNSVEGKSNKTGIRFQDNSLIWNGLKIPVIIKTNDIYVQMSLENRVKYCRIIRRIVKGKIK
FYVQLILEGIPPMKINKTTGEIKNKIGKGNVGIDIGTRTIAVSSENDVKLLELAPEIDNIENQKRILNRKLDRQRRANNPNKYNEDGTINRNNKDKWIKS
NRYIKTQNKLKEIQRKQAEIRKQSHYRLINRLLLLGNRFLVETMNYKGLQARVKETTINEKTGRFNKKKRFGKSLANKAPSMFLTMLDNKLKWNNTQLFK
IDTKKCKASQYNHFTNEYCKKELKDRWNEDIQIQRDMYSAFLIMNVVGKTLDKIDRDLCIETYDNFRRLHDKEIERLKELKKNGYKLISSMGI

 

Blast result :
Comments
ISCbt1 is 84% (ORF A) aa similar to ISBce3 and 38% (ORF B) aa similar to IS608.
There are 3 complete copies and one partial 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). ISCbt1 are inserted site-specifically into TTAC 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