ISPa25

  • Family IS110
  • Group IS1111
MGE type ISRelated element(s) :
Isoform Synonym(s)
Accession numberTranspositionOriginHost
DQ393782 ND Pseudomonas aeruginosa
Pseudomonas aeruginosa
DNA section
IS Length : 1409 bp

Ends


IR Length : 15/18

IRL : tgatggaATGGACTCCTCCCGCATCGCCCACACGGCTTCGGGAGCCAGAC
IRR : ----tatATGGACTCCTCCGTCAACCAGTAATTGCGCGATGGATCCTGCG

Insertion site


Left flankDirect repeatRight flankDR Length
CGACCTTGAGCGACTTGTTA0

DNA sequence

TGATGGAATGGACTCCTCCCGCATCGCCCACACGGCTTCGGGAGCCAGACTGATATTTCCATCAGGACACGGGATCACGAGAGGAGTCCGCCATGCATGC
TACGACCGTTGCGGTTGATCTTGCAAAAGACGTATTCGAGCTGGCATTTGCCGATGGCCAGGGTCGGGTGATCGAACGGAAACGGCTGACGCGGCGGGCG
TTTGCCCGCGCGTTCGAGCAGCGACCGCCGCTGCGGATCGTGATGGAAGCCTGCGGCAGCGCGCACCACTGGGCGCGGCGCTTCGTGCGGCAGGGGCACG
CGGTGCGGCTGCTGCCGGCCAGCGACGTGCGCCCTTACGTGCGTGGCAACAAGACCGATCGCAACGATGCATCCGGCATCCTCGAGGCCGACCGCTGCGG
CGGCATCGCCAGCGTGCCGGTGAAGACGCCGGAGCAGCAGGCCATCCAGGCGCAGCACCGGTTGCGTGAGCACCTCAAGCGCGAGCGCACGGCGACGATC
AATCTGCTGCGCGGCGTGCTGCGCGAGTTCGGCATCGTCATCGCACAGGGCGCGGCCCGGGTGTCGGCGCAAGTGCGCGATGCGCTGGAGGACGGCGACA
ACGATCTGCCGATGCCGTTGCGGCACAGCCTGGGCGAGCAGCTGCAGCGGCTGCTGCACATCCAGGCAGACATGCGGGCCATCGAACAACGGCTCGACGA
GTACGCGCAGCGCGATGTCGCCGTGCAGCGCTACCAGCGCGTGCCGGGAGTGGGCCTGCTCACCGCCACGGCCCTGCGCGCCGGTGCCGGCGACCTGGCG
CGGTTCAGGAGCGGTCGCCAGTTGTCGGCGTGGCTGGGCCTGACCCCGCGCGAGCATTCCTCTGGCCAGCAGCGACGGCTGGGGCGGATGACCAAGCGAG
GCGATGCCTACCTGCGCACCTTGTTCATTCACGGCGCCCGCGCGGTGTTGCAAGGCGCGCGGCTCAAGCACAAACGCGGCCAGCCGCTGGATCCGCTGCA
GGCCTGGGCGCTGGGCGTGCAGGACAAGCGCGGCCACAACAAGGCGGCCTGCGCGCTGGCCAACAAGCTGGCGCGGCGGCTGTGGGCAATGGAGCACCAC
GGCAAGCCCTTCGATGCACACCACGTCAGCCGGCAACCGCTCGCCGCCTGACCCGCCACTTCACCGTTCCACCCGATCAGGCATTGCCGGAAACATCTTG
CTCATGGCGAAGGGTTCGGTCCCGAAGCGGAACACGCCGATAACAATGCCGGCCCACGAGGCCGCTTGAACGATAGGCACCCGCTTCGCGACTTCCATGA
TGGCCCGGGCGCTTGCGCCCACCGCAAGGCCGAATATACGAATGCAACCGCACCGCTTCCCGACCGCAGGATCCATCGCGCAATTACTGGTTGACGGAGG
AGTCCATATA
Protein section
ORF number : 1

 

ORF 1
LengthBeginEndStrandFusion ORF
966 bp322 aa931058+No
ORF function : Transposase
Chemistry : DEDD

ORF sequence :

MHATTVAVDLAKDVFELAFADGQGRVIERKRLTRRAFARAFEQRPPLRIVMEACGSAHHWARRFVRQGHAVRLLPASDVRPYVRGNKTDRNDASGILEAD
RCGGIASVPVKTPEQQAIQAQHRLREHLKRERTATINLLRGVLREFGIVIAQGAARVSAQVRDALEDGDNDLPMPLRHSLGEQLQRLLHIQADMRAIEQR
LDEYAQRDVAVQRYQRVPGVGLLTATALRAGAGDLARFRSGRQLSAWLGLTPREHSSGQQRRLGRMTKRGDAYLRTLFIHGARAVLQGARLKHKRGQPLD
PLQAWALGVQDKRGHNKAACALANKLARRLWAMEHHGKPFDAHHVSRQPLAA

 

Blast result :
Comments
The IR of ISPa25 are not at its termini. In the IS sequence, as given, 7nt separate IRl from the left-hand end of the element and 3nt separates IRr from the right-hand end. Like other IS1111 family, ISKpn4 subgroup members, ISPa25 targets a specific site in the 59be (or attC sites) in gene cassettes associated with integrons and is inserted in only one orientation. ISPa25 is also found in GenBank Accession Number DQ902344 from K. pneumoniae.
ISPa25 is 60% aa similar to ISPst6.
References
1] Partridge and Hall (2003) J. Bacteriol. 185, 6371-63841
2] Post, V. and Hall, R.M. (2007) unpublished