ISCbt3

  • Family IS607
  • Group
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 : 1986 bp

Ends


IR Length : 0

IRL : TGATAAACTATAAATAAAAACATTGACAAACATAGACAATAGTGGTAATA
IRR : CTGCTACTCAAAATATGGACAAACATACCCATATCGAGATTGTTACTGTT

Insertion site


Left flankDirect repeatRight flankDR Length
TATTGAAAATGTGGACAAGGACTGGTAATATGAATATAAAGA0
CAACGTGACTTTAAAATTGAAAGGAGAAATAAAAAGTATGGTTAAAA0

DNA sequence

TGATAAACTATAAATAAAAACATTGACAAACATAGACAATAGTGGTAATATGTATACATAAGGAGTTGAAATTATGAATACATATAAACCAAAAGATTTT
GCAGAAATGATAGGAGTATCAGTAAAAACACTACAAAGATGGGATAACGAAGGTAAATTAAAGGCATATAGAAACCCATCTAATAGAAGATATTATACTC
ATAATCAATATGTAGAATATATGGGTAAAATAGTACAAGATAAAGACAAAAGAAAAACTATTATATATGCAAGGGTTTCAAGTAATAGTCAAAAAGATGA
TTTAAAAAATCAAGTAGAATTTCTTAAACAATATGCTAACGCTAAAGGAATGATAGTAGATGAAATCTTTGAAGATGTAGGAAGTGGATTAAATTATAAT
CGTAAGAAATGGAATAAATTATTAGAAGATTGTATGTTAGGAGCAATAAAGACAATTATAGTATCTCATAAAGATAGATTTATTAGATTTGGATTTGATT
GGTTTGAAAGATTCGTTAAATCTAACGGTGTAGAATTAATAGTAGTAAATAATGAAAGTTTATCTCCACAAGAAGAAATGATTCAAGACTTAATTTCTAT
AATTCATGTATTTAGTTGTCGTATATATGGATTAAGAAAATATAAGAAAAAAATTAAGGAGGATGATGAAATTGTTAAGAGCTTACAAAGTGGAGATAAA
ACCAACTCAAGAACAAAGTATAAAAATTCATAAAACTATTGGAGTTAGTAGATTTATTTATAATTTTTATATAGCTCATAATAAAGCAATTTATGAAAAA
GAAAATAAATTTATAAGTGGTATGCAATTTTCTAAATGGTTAAATAATGAATATATTCCTAATAATCAAGATAAAATTTGGATTAAAGAAGTTTCTTCAA
AAGCTACCAAACAATCTATAATGAATGGAGAAAAAGCATTTAAGAAGTTTTTCAAAGGCTTAAGTGGATTCCCTAAATTTAAGAAAAAGAAAAACCAAGA
TGTTAAAGCTTATTTTCCAAAGAACAATAAAACTGATTGGACTATTGAAAGGTATAGAGTAAAAATACCTACTCTTGGTTGGATGAGATTAAAAGAGTTT
GGATATATACCAACAAATGTGAAAGTTAAAAGTGGCACAGTTGGTTACAAAGCTAATAGGTACTATGTATCTATACTAGTTGAAGAAATGGATATAGTAG
TTCCAAACCCTACAAACGAGGGAATTGGGATTGACTTAGGACTAAAAGATTTTGCAATATGTTCAAATGGAGATAAGTTTAAGAATATAAATAAAACATC
AAGAGTTAGAAAAGTAGAAAAGAAATTGAAAAGAGAACAAAGAAAACTTTCAAGGAAATATGAGAGTTTGAAAACAAGAAATAAAAATATAAAAGGAGGT
AAAGCTACTAGACAAAATATCCAAAAACAAATAGTCAAGGTACAAAAACTTCATGAAAAACTTACTAATATAAGAACTGATTATATAAATAAAACTGTAA
GTGAAATAGTTAAGCAAAAACCAAGCTATATAACTATTGAAGATTTAAATATTAGTGGAATGATGAAGAATAAACATCTAGCTAAAGCAGTAGCACAACA
AAAATTTTATGAATTTAGAACTAAATTAACCTCTAAGTGTAATCAAAATAATATTGAACTTAGAGTAGTTGATAGATTTTATCCTAGTAGTAAAACTTGT
AGTTGTTGTGGATCTATTAAGAAAGATTTAAAACTATCTGATAGAGTTTATAAATGTAATTGTGGACTTGTTATTGATAGAGATTTAAATGCAAGTATTA
ATTTAGCTAATGTTAAAAAATATAAGATAGCTTAATTAAACAAGTTCTTATATATGTACCGAAGGCTAATTCGGGAATTAACGACTGTGGAGTGCTATAC
AAACTGTAGTAGCTTAGGCAAGACAGGGTACGTTGAAACAGTAACAATCTCGATATGGGTATGTTTGTCCATATTTTGAGTAGCAG
Protein section
ORF number : 2

 

ORF 1
LengthBeginEndStrandFusion ORF
660 bp219 aa74733+No
ORF function : Transposase
Chemistry : Serine

ORF sequence :

MNTYKPKDFAEMIGVSVKTLQRWDNEGKLKAYRNPSNRRYYTHNQYVEYMGKIVQDKDKRKTIIYARVSSNSQKDDLKNQVEFLKQYANAKGMIVDEIFE
DVGSGLNYNRKKWNKLLEDCMLGAIKTIIVSHKDRFIRFGFDWFERFVKSNGVELIVVNNESLSPQEEMIQDLISIIHVFSCRIYGLRKYKKKIKEDDEI
VKSLQSGDKTNSRTKYKNS

 

Blast result :
ORF 2
LengthBeginEndStrandFusion ORF
1170 bp389 aa6661835+No
ORF function : Accessory Gene
AG : TnpB

ORF sequence :

MKLLRAYKVEIKPTQEQSIKIHKTIGVSRFIYNFYIAHNKAIYEKENKFISGMQFSKWLNNEYIPNNQDKIWIKEVSSKATKQSIMNGEKAFKKFFKGLS
GFPKFKKKKNQDVKAYFPKNNKTDWTIERYRVKIPTLGWMRLKEFGYIPTNVKVKSGTVGYKANRYYVSILVEEMDIVVPNPTNEGIGIDLGLKDFAICS
NGDKFKNINKTSRVRKVEKKLKREQRKLSRKYESLKTRNKNIKGGKATRQNIQKQIVKVQKLHEKLTNIRTDYINKTVSEIVKQKPSYITIEDLNISGMM
KNKHLAKAVAQQKFYEFRTKLTSKCNQNNIELRVVDRFYPSSKTCSCCGSIKKDLKLSDRVYKCNCGLVIDRDLNASINLANVKKYKIA

 

Blast result :
Comments
ISCbt3 is 62% (ORF A) aa similar to IS1921 and 57% (ORF B) aa similar to ISEfa4.
There are 2 complete copies 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). ISCbt3 are inserted site-specifically into AAGGAG 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