ISMlo1

  • Family IS110
  • Group IS1111
MGE type ISRelated element(s) :
Isoform Synonym(s)
Accession numberTranspositionOriginHost
AP003008 ND Mesorhizobium loti
Mesorhizobium loti MAFF303099
DNA section
IS Length : 1405 bp

Ends


IR Length : 14

IRL : tgttggtGTGGACGGCCTCCTGCACGGCATCAATGTGCCAGAATGAGGTC
IRR : ----tatGTGGACGGCCTCCTCCCTGCAAGATGTTGGGCAGCGGTTTGAT

Insertion site


Left flankDirect repeatRight flankDR Length

DNA sequence

TGTTGGTGTGGACGGCCTCCTGCACGGCATCAATGTGCCAGAATGAGGTCATCGGAGACCTCAAGCAAAGGAGACCGCCCCGTGGAGCAAATTATTCGAA
TTGGCATGGACACGTCAAAGCACGTCTTTCAACTGCATGGTGTGAATGCAGCCGAAGAGGTCGTGCTGCGCAAAAAAATGCGGCGTAAGGAGATGGTGGC
TTTCTTCGAGAGGGCGGCGCCAACGGTGGTCGCGCTCGAAGCGTGCGGCGGATCGCATCATTGGGCCCGCCTGCTTGAGGCGCTTGGCCATGACGTGAAA
CTGATCCCGCCGCAATATGTCAAACCGTACGTAAAGCGCGGCAAGAACGACGCGGCCGATGCGGAGGCTCTTTGCGAAGCGGTAAGCCGCCCGACGATGC
GCTTCGTTCGGGTAAAAACCACCGACAACCAGGCGGCTTTGATGCTGGTCGGCATGCGTGACCGACTGGTTCGCAATCGCACGCAACTTGCCAACGCCAT
CCGCGGATACGCTGCCGAGTTCGGATTGATCGCTGCCACAGGTACATCGAAGGTCAGATCATTGCTCGAGCGTATCGCGACTGATGAAACGCTGCCTGAA
CTGGCACGTGAACTGTTTGGGCTGCACGGCCGCGAATATGATCGGCTGGAGGACGAAATCGAAAAGGTCGAAGCACGGCTGATGGCGTGGCATCGCACAA
ACGAATGCAGTCGACGCCTGACACGGATTCCTGGCGTCGGACCGATCGGCGCATTGATGATGGTCATGAAGACCCCGGCGCCCGAGACGTTCCGATCAGG
GCGGCACTTCGCGGCTTGGCTTGGCCTGACGCCGAAGGATCACTCGACAGCTGGCAGGGTCAGGCTTGGCGTGATCACCCGAGCTGGCGATGAAAATCTG
CGAAGCGTGCTCGTCGCGGGCGCCACCGCTGTCCTCCGGCATGTTCGGGAGGACCGCGGGAAGAATGCGTCCCCATGGCTGCTGGACATGCTCAACCGCA
AACCGCCGAAGCTCGTCGCTGTGGCGCTAGCCAATAAAATCGCCCGCGTCGCCTGGAAGCTGATGGTCACCGGCGAACGATACAATCCCAACGCTGCATT
GTCGGCTTATGGCCAGGCAGCATAGAGATCAGTCATCCAGGGGAGCACAATGTGACGCGACCTTGGTAGGCTGAACCCGAACTTGCGGGAAACGAGCAGT
TGGTGTGATCGATCGATCCGAAACGTGAGACAATCCGTACGATGCAAGGCTCTCAAAAGGCCGCAAAACCTGTTTGGAACTCATGTTGCGGAAACCATCT
TGGCCCGCGGTCATGTACGACCGCAATCAGAGGCCGGACATATGATCGCAAGCGATGGGATCAAACCGCTGCCCAACATCTTGCAGGGAGGAGGCCGTCC
ACATA
Protein section
ORF number : 1

 

ORF 1
LengthBeginEndStrandFusion ORF
1044 bp347 aa821125+No
ORF function : Transposase
Chemistry : DEDD

ORF sequence :

MEQIIRIGMDTSKHVFQLHGVNAAEEVVLRKKMRRKEMVAFFERAAPTVVALEACGGSHHWARLLEALGHDVKLIPPQYVKPYVKRGKNDAADAEALCEA
VSRPTMRFVRVKTTDNQAALMLVGMRDRLVRNRTQLANAIRGYAAEFGLIAATGTSKVRSLLERIATDETLPELARELFGLHGREYDRLEDEIEKVEARL
MAWHRTNECSRRLTRIPGVGPIGALMMVMKTPAPETFRSGRHFAAWLGLTPKDHSTAGRVRLGVITRAGDENLRSVLVAGATAVLRHVREDRGKNASPWL
LDMLNRKPPKLVAVALANKIARVAWKLMVTGERYNPNAALSAYGQAA

 

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 protein corresponds to orf mll6112 and is 78, 71, 70 and 38% identical to those of ISMlo2, ISShsp1, ISRsp4 and IS1111, respectively.

By analogy with IS4321, ISMlo1 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] Kaneko et al. (2000) DNA Res. 7, 331-338
2] Partridge and Hall (2003) J. Bacteriol. 185, 6371-6384