ISBj4

  • Family IS110
  • Group IS1111
MGE type ISRelated element(s) :
Isoform Synonym(s)
Accession numberTranspositionOriginHost
AP005952 ND Bradyrhizobium japonicum
Bradyrhizobium japonicum USDA110
DNA section
IS Length : 1576 bp

Ends


IR Length : 14/15

IRL : taatgggATGGTCCGGCCGTGCTCCTGCCCCGCCAGCGATAAGCTGGCCA
IRR : ----tgtACGGTCCGGCCGTGCGTAGCAAGAGGTTCGTCGATCAGGTGGT

Insertion site


Left flankDirect repeatRight flankDR Length

DNA sequence

TAATGGGATGGTCCGGCCGTGCTCCTGCCCCGCCAGCGATAAGCTGGCCAGGGGCGCCAAGACAAGGAGCACGCCATGTCCCAGACACCCAGTACCGCGA
TCGCCGTGATCGGCATCGATATCGGCAAAAACTCGTTCCACGTCGTGGGCCACGATACGCGCGGCACCGTCGTGCTGCGGCAAAAGTGGTCGCGTGGCCA
GGTCGAGGCGCGGCTCGCCAATATGCCGCCTTGCCTGATCGGCATGGAAGCCTGCGTCGGCGCACATCATTTGAGCCGCAAACTCGCATCGTTAGGTCAC
GATGCCAGGTTGATGCCGGCCAAATATGTCCGCCCTTATAGCAAAGGACCGAAGAACGACTTCAATGACGCCGAAGCGATTGCCGAAGCCGTGCAGCGCC
CGACGATGAAGTTCGTGGCGACCAAGACCGCGGAGCAACTGGATCTGCAGGCGCTGCATCGGGTGCGCGAGCGGCTGGTGTCGCAACGCACCGGCATCAT
CAACCAGATTCGCGCCTTCATGCTGGAACGCGGGATCGCGGTGCGCCAGGGTATCGGCTTCCTGCGCACAGAACTGCCCACCATCCTTGCGACGCGCACC
GATGCCCTGTCGCCACGCATGTTGTGTGTCATCGAGGAGTTGGCAGGCGACTGGCGTCGGCTGGATCAGCGCATCGATAGGCTCTCCGGCGAGATCGAAG
CACTGGCCCGTCAAGATCAGGCATGTTCGCGCCTGATGACGGTGCCTGGCATCGGGCCGATCATTTCGAGCGCCATGGTGGCCGCGATCGGCACTGGAGA
CGTCTTCTCCAAAGGCCGTGACTTCGGCGCCTGGCTCGGGCTGGTGCCCAAGCAGATCTCGACGGGAGACCGCACGATCCTCGGCAAAATCTCAAGGCGC
GGCAATCGCTACCTCCGCGTTCTGTTCGTCCAGGCGGCATGGGTGGTGCTGGTCAGGATCAAGAACTGGGAACGTTACGGACTCAGATCCTGGATCGAAG
CCGCCAAGAAGCGATTGCACCACAACGTGCTGGCGATCGCACTCGCCAACAAGCTTGCCCGCATCGCCTGGGCGGTGCTGGCTAAAGGACGCGCCTTCGA
GCTGACAAGGACCAACGATGCAGGCGTCCGACCCGCTTGATCGTCGCGCCGTGCTCGGCGCGGTCAAGGCGCGGCCTGGCAACGCCGGAGCCAGCCGCAA
GCAAAGCGCAACGGCCGGCCTTGACCGCCCGTGCGCGCGACGCGACGCACGTCCTGCGGGCCGGGACGAAGGAACGGCCCCTGGCTCGAACACAGGAACT
GCGAGGTAGGAGGAGCAAGCGATGACGTAACCCCATCAACAGGTTCCAGCCGAGGTCTGCGAGAGGATGAGACGAGATGGAGGTTCGGTCTTCCCGGCGC
ATGCGAACACTGGTGACCCAAATGGCCCAATCGAGGCCTGTCCGCTAATGAGAACGCACGCGCGCTGATATCCATGATGGCCCGGAGAAAATGCTCCAAT
CAAAGGCCGGATACATTGATGCAAGACCACACCACCTGATCGACGAACCTCTTGCTACGCACGGCCGGACCGTACA
Protein section
ORF number : 1

 

ORF 1
LengthBeginEndStrandFusion ORF
1065 bp354 aa761140+No
ORF function : Transposase
Chemistry : DEDD

ORF sequence :

MSQTPSTAIAVIGIDIGKNSFHVVGHDTRGTVVLRQKWSRGQVEARLANMPPCLIGMEACVGAHHLSRKLASLGHDARLMPAKYVRPYSKGPKNDFNDAE
AIAEAVQRPTMKFVATKTAEQLDLQALHRVRERLVSQRTGIINQIRAFMLERGIAVRQGIGFLRTELPTILATRTDALSPRMLCVIEELAGDWRRLDQRI
DRLSGEIEALARQDQACSRLMTVPGIGPIISSAMVAAIGTGDVFSKGRDFGAWLGLVPKQISTGDRTILGKISRRGNRYLRVLFVQAAWVVLVRIKNWER
YGLRSWIEAAKKRLHHNVLAIALANKLARIAWAVLAKGRAFELTRTNDAGVRPA

 

Blast result :
Comments
No uninterrupted target sequence was found, so the ends of the IS have been defined by analogy with other IS1111 family elements, assuming that 7 nt separate IRl from the left-hand end of the element and 4 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.

There are 6 copies in the Bradyrhizobium japonicum USDA110 genome, with the transposase gene corresponding to orfs bll4626, blr5195, blr6054, bll7554, blr7715 and bll8183.

The transposase protein is 37% identical to that of IS1111.
References
1] Kaneko et al. (2002) DNA Res. 9, 189-197 and 225-256
2] Partridge and Hall (2003) J. Bacteriol. 185, 6371-6384