ISH8

  • Family IS4
  • Group ISH8
MGE type ISRelated element(s) :
Isoform ISH26Synonym(s)
Accession numberTranspositionOriginHost
M58557 [P] Y Halobacterium salinarum
Halobacterium salinarum SD108
Halobacterium salinarum NRC-1 plasmid pNRC100
DNA section
IS Length : 1402 bp

Ends


IR Length : 16/18

IRL : CATCCGTCTTTAGTTAAGCGAGAAACCGCGTGATAGCGGCGGCTTATCGA
IRR : CATTCGTCTTCAGTTAAGACTCACACCTCGGTTGTGTAGCGGTAGCGAGC

Insertion site


Left flankDirect repeatRight flankDR Length
NNNNNNNNNNGACGGGTGGCTTGATNNNNN10
CGCTTGCAGCCACTCCACGGTTGACGAGCC10
GAACCATTTCAGGTATAGTACTAGCCCGGC10
TCTCCGCCTCCCGCGCGAGCTTCGCCTCGG10
GTCCCTTTTTACTCTTCCCCAGCTCCCGGT10
TGTGGACAATATCATTGACTTGCTCTGTAT10
TGTGTCACAGGGGACAAAGCTTATTCTACG10
TGTGTCACAGGGGACAAAGCTTATTCTACA10
ATGAGGACATGTTGTAGACGTAGCCGTCGAT11
AGGGGTATCCTCACGCCAGGTAGATCCCA10
GGTTGAATAATGCGTACAGGACTTCGGCC10
TGTGTCACAGGGGACAAAGCTTATTCTACA10

DNA sequence

CATCCGTCTTTAGTTAAGCGAGAAACCGCGTGATAGCGGCGGCTTATCGAGGCACCTTTCGGAAGGAATGAGGAAGTCCAGTCTGTGCACGACAAGGACT
CCTCATCTCGGATTATGCGTCGGCTCACTACACTGTTTCCCTCTGAGTTCCTTGAAGAGCACGCCGAGGAACTCGGCGTGGTCGAACGTGACCGCAAGCT
CCAGATCCCTGCCTTCGTTTGGGCATTCGTGTTCGGCTTCGCCGCAGGCGAAAGCCGAACACTCGCCGGGTTTAGACGCTGTTACAACTCGACTGCCGAT
GAGACGATCTCTCCGGGTGGATTCTATCAGCGGTTGACACCGACGCTTGCGGAGTATCTCCGCGACCTCGTTGAGCATGGTCTCGACGAGGTCGCTGTTC
CTAACGCTGTTGACGCTGATATCGACCGATTTAGAGACGTGATGATCGCTGATGGAACGGTGTTGCGGTTACACGAATTTCTCTCAGATCAGTTCGAAGC
CCGCCACGAGGAGCAGGCTGGAGCGAAGCTCCACCTGCTCCACAATGCCACAGAGCAGACGATTGAACGGCTCGATACTGCTAACGAGAAAACGCACGAC
AGCACCTTGTTCAAAACAGGGCCGTGGCTTGAGAATCGCCTCGTGTTGTTCGATCTCGCCTACTTCAAGTACCGCCGGTTTGCGCTGATCGACGAAAACG
ACGGCTACTTCGTGAGTCGGCTGAAGCAGAACGCGAATCCGCTGATTACGAGGGAGTTACGGGAATGGCGCGGTCGCGCCATTCCCTTAGAGGGCAAGCA
GCTCCGAGCTGTTCTCGACGATCTCGATCGGAAGTACATCGATGTAGAAGTCGAAGTCGAATTCAAACGAGGGCCGTACAATGGGACGCGGTCACTAGAT
ACGAAGCGATTTCGCGTCGTCGGCGTCCGCGACGAAGACGCCGACGACTACCATCTGTACATGACGAATTTGGTGAGAAAAGAGTTCTTCCCGGCTGATT
TAGCACAGATCTACCGATGTCGGTGGGAAGTTGAGTTGTTGTTCCGTGAGCTGAAGACGCAGTACAACTTGGATGAGTTCAACACGAGCGACGAACACGT
GGTGAAGATCTTACTATACGCAGCACTGCTGTCGCTGCTTGTAAGCCGCGATTTATTGGATCTGGTCACTGAGCAGGCGGATGATGAGCTCGTGTTTCCG
ACAGAACGCTGGGCGGCGACCTTCCGGTCGCACGCCCAGCTTTTCCTCCACAAACTGGGTGAGTATCTCGGCTACTCACCACCGCCGCTGCTTGAACGAC
TGACTGAAGACGCTCAAAAGATCCACAAGCAGCGACCGATCTTACAAGAGACGCTCGCTACCGCTACACAACCGAGGTGTGAGTCTTAACTGAAGACGAA
TG
Protein section
ORF number : 1

 

ORF 1
LengthBeginEndStrandFusion ORF
1275 bp424 aa1151389+No
ORF function : Transposase
Chemistry : DDE

ORF sequence :

MRRLTTLFPSEFLEEHAEELGVVERDRKLQIPAFVWAFVFGFAAGESRTLAGFRRCYNSTADETISPGGFYQRLTPTLAEYLRDLVEHGLDEVAVPNAVD
ADIDRFRDVMIADGTVLRLHEFLSDQFEARHEEQAGAKLHLLHNATEQTIERLDTANEKTHDSTLFKTGPWLENRLVLFDLAYFKYRRFALIDENDGYFV
SRLKQNANPLITRELREWRGRAIPLEGKQLRAVLDDLDRKYIDVEVEVEFKRGPYNGTRSLDTKRFRVVGVRDEDADDYHLYMTNLVRKEFFPADLAQIY
RCRWEVELLFRELKTQYNLDEFNTSDEHVVKILLYAALLSLLVSRDLLDLVTEQADDELVFPTERWAATFRSHAQLFLHKLGEYLGYSPPPLLERLTEDA
QKIHKQRPILQETLATATQPRCES

 

Blast result :
Comments
ISH8 has been isolated through its inactivation of the gvp operon (gas vesicle proteins, Vac-) (Halladay et al., 1993). ISH8 DNA sequence is 94 % identical to that of ISH26. No full-length putative transposase is apparently present inside ISH8 (but its DNA sequence needs to be confirmed; DasSarma, pers. comm.). However, there is a 28 % identity between a long ISH8 ORF and the putative IS5377 transposase, over a 233-aa overlap.
Copies of ISH8 were present in Halobacterium salinarum pNRC100 (see ISH8A, ISH8B, ISH8C, ISH8D, ISH8E).
References
1] DasSarma, S. (1989) Can. J. Microbiol. 35, 65-72.
2] Ng, W.-L., Kothakota, S., and DasSarma, S. (1991) J. Bacteriol. 173, 1958-1964.
3] Halladay, J.T., Donovan, J.W., Jones, J.G., Young, D.C., and DasSarma, S. (1993) Unpublised results.