ISShsp1

  • Family IS110
  • Group IS1111
MGE type ISRelated element(s) :
Isoform Synonym(s)
Accession numberTranspositionOriginHost
AB091693 ND Sphingomonas sp.
Sphingomonas sp. P2
DNA section
IS Length : 1404 bp

Ends


IR Length : 13

IRL : tgttgggGTGGACGGCTCCCAACGGCATCGCAATGTGCCAGAGTGAGTGC
IRR : ----tatGTGGACGGCTCCCTCTTGCAAGGGCTGAACGGAAAATTTGATC

Insertion site


Left flankDirect repeatRight flankDR Length

DNA sequence

TGTTGGGGTGGACGGCTCCCAACGGCATCGCAATGTGCCAGAGTGAGTGCGTTGCAAGACTCAATCAAGGGAGCCGCCCGTGGAGCAAATTACCCGCATA
GGCATGGATACGTCAAAGAACGTTTTTCAACTGCATGGCGTCGATGCAGCGGAGAAGGCAGTGCTGCGCAAGAAGTTGACGCGCCGGGAAATGGTTCGGT
TTTTCGAAAAGCTGCCACCCACCGTCGTCGCTATCGAGGCATGCGGCAGTTCACATCATTGGGCTCGTCTTCTCGGATCGCTCGGGCATGACGTAAGGTT
GATCGCGCCGCAATTAGCGAAGCCCTACGTCAAGCGCGGCAAGAACGACGCGGCGGATGCCGAAGCTCTCTGCGAAGCGGTGAGCCGCCCAACAATGCGC
TTCGTTCCAGTAAAGACTGCAGAACAACAGGCGGCGCTCATGTTGGTCGGGGTGCGCGAAAGGCTCATCCAGAAGCGCACCCAGCTCGTCAACGCTATAC
GAGGGTATGGCGCGGAGTTCGGCATCACTGCGGCGACGGGTGCATGTCGCGTCGTACCGCTTCTCGAGCGCATCGCGGCAGATGAAACGATACCCGAATT
GGCGCGCGAACTTTTTGCCCTGCAGGGAAAGGAATATGCGCAGCTCCAGTGCGAGATCGAACGGATCGACGCGAAGCTGATGGAATGGCATCGCAACGAC
GAATGTAGTCAGCGACTGGCCAAAATTCCCGGCGTTGGGCCTATCGGCGCGACCTTGCTCATGATGAAAACGCCCGATCCGCATCTATTCAAATCCGGTC
GGGATTTTGCGGCATGGATGGGCCTGACCCCTAAAGATCACTCGACCGCCGGCAAGACAAGACACGGCGTTATCACTCGCGCTGGTGATGAGCTTCTCAG
AAGCACGCTCGTGGTCGGAGCTACCGCAGTCGTTCAGCACGCCCGCAATGGGCGAGGTAGGAATCTCACACCATGGCTTATCGGCTTGATTGGACGAAAA
TCACCTAAGCTCGTTGCGGTTGCCGTTGCTAACAAAGCCGCACGTGTCGCGTGGAAACTCATGGTGAGCGGCGAGCGATACCAATGCGTCGCGCCGCCCG
CCCTTACTGCGGTAGCAGCATAAGAATTAGCCAGGAGCGATGAGCAGAATATCAATGCTATCGTACTGAGCTGATCCGTGATCTTGCATGAAGAGAGCAG
ATGGTGCGATCGATCGATCCGAGGCGTGTGACACTCCGTCAGTTCCAGTGGCCATCACAGGCCGCTGCCGTGTTGGGAACACACACCGCGGAAACCATCT
TGGCCAGCGGTCACGTGCGACCGCACCGAAAGGCCGGACATATGGAAGCAAGCGATCCGATCAAATTTTCCGTTCAGCCCTTGCAAGAGGGAGCCGTCCA
CATA
Protein section
ORF number : 1

 

ORF 1
LengthBeginEndStrandFusion ORF
1044 bp347 aa801123+No
ORF function : Transposase
Chemistry : DEDD

ORF sequence :

MEQITRIGMDTSKNVFQLHGVDAAEKAVLRKKLTRREMVRFFEKLPPTVVAIEACGSSHHWARLLGSLGHDVRLIAPQLAKPYVKRGKNDAADAEALCEA
VSRPTMRFVPVKTAEQQAALMLVGVRERLIQKRTQLVNAIRGYGAEFGITAATGACRVVPLLERIAADETIPELARELFALQGKEYAQLQCEIERIDAKL
MEWHRNDECSQRLAKIPGVGPIGATLLMMKTPDPHLFKSGRDFAAWMGLTPKDHSTAGKTRHGVITRAGDELLRSTLVVGATAVVQHARNGRGRNLTPWL
IGLIGRKSPKLVAVAVANKAARVAWKLMVSGERYQCVAPPALTAVAA

 

Blast result :
Comments
The IR of this IS are not at its termini. In the IS sequence as given 7 nt separate IRl from the left-hand end of the element and 3 nt separate IRr from the right-hand end. The first residue of the sequence may in fact belong as the final residue, giving 6 nt on the left and 4 on the right.

The transposase gene corresponds to orf26 and the transposase protein is 74, 73, 71 and 38% identical to those of ISRsp4, ISMlo2, ISMlo1 and IS11111, respectively.

By analogy with IS4321, ISShsp1 may exist in a circular form in which a -10 region created by the abutted terminal sequences and a -35 region located just inside the right-hand end of the element are correctly spaced to form a promoter.
References
1] Pinyakong et al. (2003) Biochem. Biophys. Res. Commun. 301, 350-357
2] Partridge and Hall (2003) J. Bacteriol. 185, 6371-6384