IS1202

  • Family ISNCY
  • Group IS1202
MGE type ISRelated element(s) :
Isoform Synonym(s)
Accession numberTranspositionOriginHost
U04047 ND Streptococcus pneumoniae
Streptococcus pneumoniae GA47976
Streptococcus pneumoniae SSZ serotype 19F
Streptococcus pneumoniae SP19-BS75
Streptococcus pneumoniae GA13224
DNA section
IS Length : 1747 bp

Ends


IR Length : 18/23

IRL : TGTAATTCGAATGTGATAATGTCTTTAGTAAATCGAACGTGAAAATGTCC
IRR : TGTCAATCGAAAGTGATTATGTCCCCAAAAAATGGAGAGTTTGAGGGCAA

Insertion site


Left flankDirect repeatRight flankDR Length
TTTACGGTAATGTCTACATTTTTTTTACTATCTGCATCTTTAAGTATCTTAGTAGACTT27

DNA sequence

TGTAATTCGAATGTGATAATGTCTTTAGTAAATCGAACGTGAAAATGTCCCATTTGGTAGAATAGTCATATTAAAAGGATCCAACTGAATATGAATGAAA
CGAAAAAATATCTTGTGATAAAAGCTATAGCCCAAGGAAAGAAAACAAAGAAACGGGCCTGTGTCGAACTCAATCTTTCTGAAAGACAAATCAATCGTCC
GTTACTAGCCTATCAACAGAAAGGAAAGGAAGCCTTCAGACACGGAAACAGAAATCGAAAACCAAAACATGCAATCCCTGATGAAATCAAAGAACGTATC
CTAAAGAAATACCTCTCCTATGAAACATATAAACCAAATGTCCTTCATTTCTGTGAATTACTAGCTGAAGAAGAGGGAATTAAGCTCTCTGATACAACTG
TTAGAAAAATACTCTATAAGAAAAACATCCTTTCTCCTAAGTCTCACAGAAAGACAAAGAAGAGAGTAAGAAAACAAGCTAAACTGAACCTGAATCAACC
CCTAGACAATCCAATCTTACCGACGGCTAAAGACTTCCTGGAAGACCCTAAAAAGGTACATCCTAGTAGACCCAGAAAGAAATTTGCTGGAGAACTCATT
CAAATGGATGCCAGCCCTCATGCCTGGTTTGGACCAGAAACCACCAACTTACACTTAGCCATTGATGATGCTTCCGGCAATATCCTAGGGGCTTATTTTG
ACAAACAAGAGACCTTGAATGCCTACTACCATGTCCTCGAACAAATCTTAGCCAATCACGGCATTCCCCTTCAAATGAAAACTGATAAGAGAACGGTCTT
TACCTATCAAGCATCCAACTCTAAGAAAATGGAGGACGACTCCTATACACAATTTGGATACGCCTGTCACCAACTAGGGATTCTCCTTGAGACCACCTCT
ATCCCTCAAGCTAAAGGGAGGGTCGAAAGACTCAATCAGACACTACAATCACGCCTGCCTATCGAACTGGAACGAAACAAGATTCATACATTGGAAGAAG
CCAATACTTTCCTTCTTTCCTACATCCAAACCTTTAATGAACAGTTTGGAAATAAGACAAAACTCTCTGTTTTTGAGGAGGCTCCTAACCCCTCTGAACG
GAATCTCATTCTAGCTAGACTGGCGGAGAGAGTCGTCGATAGTGGACACCATATCCGATTCCAAAACCGTTGCTATATTCCTACCGAACAAGGAAAAGAA
GTCTATTTCATCAGAAAGACGAAAGCATTAGTTCTAAAAGCATTTGATGGTGACATCTACCTCAATATCGCTGACAAAATCTATCACACAAAGGAGCTAC
TAGATCATGAACTCTATTCGAAAAACTTTGAACAAGAACCAGAACAAAAAAAAGAAAGACGCAAGTATATCCCTCCACAAACCCATCCGTGGAAACTCAC
ATCTTTCAAACAATACCTTCATAAAAACAAAAAGGATTATGAAGAGTTTACTAGTGAGGAGATTCATTCTCCTCAACTACAAGTATAATCTATTTTTCGC
TAAATGGGAAGCTTTTCCTTAAAGAAAACCACTCTATCCCTTACATTTAGGAGAGGGAAAGTGAGGAGTGTAAGACGAGCATTTCATTTGATAAGAGGCT
TGGAGCTGTTAGGCTGGCGAGCCAAGGCTAAGACTAGCCTTGGTTTAGCTAACAAAACAGCTTCAAGGGTTCCTCGTGTCAAATGAAATCAAAATAATTG
CCCTCAAACTCTCCATTTTTTGGGGACATAATCACTTTCGATTGACA
Protein section
ORF number : 1

 

ORF 1
LengthBeginEndStrandFusion ORF
1398 bp465 aa911488+No
ORF function : Transposase
Chemistry : DDE

ORF sequence :

MNETKKYLVIKAIAQGKKTKKRACVELNLSERQINRPLLAYQQKGKEAFRHGNRNRKPKHAIPDEIKERILKKYLSYETYKPNVLHFCELLAEEEGIKLS
DTTVRKILYKKNILSPKSHRKTKKRVRKQAKLNLNQPLDNPILPTAKDFLEDPKKVHPSRPRKKFAGELIQMDASPHAWFGPETTNLHLAIDDASGNILG
AYFDKQETLNAYYHVLEQILANHGIPLQMKTDKRTVFTYQASNSKKMEDDSYTQFGYACHQLGILLETTSIPQAKGRVERLNQTLQSRLPIELERNKIHT
LEEANTFLLSYIQTFNEQFGNKTKLSVFEEAPNPSERNLILARLAERVVDSGHHIRFQNRCYIPTEQGKEVYFIRKTKALVLKAFDGDIYLNIADKIYHT
KELLDHELYSKNFEQEPEQKKERRKYIPPQTHPWKLTSFKQYLHKNKKDYEEFTSEEIHSPQLQV

 

Blast result :
Comments
The synthesis of capsular polysaccharides (cps genes) is considered to be the sine qua non conditions of pneumococcal virulence. IS1202 is inserted 1 kb downstream of the dexB (glucan-1,6-alpha-gucosidase) gene, which is known to be part of the multiple-sugar metabolism operon (Morona et al., 1994). IS1202 copy number varies from 0 to 5, among the Streptococcus pneumoniae strains tested.
References
1] Morona, J.K., Guidolin, A., Morona, R., Hansman, D., and Paton, J.C. (1994) J. Bacteriol. 176, 4437-4443.