ISL5

  • Family IS4
  • Group ISPepr1
MGE type ISRelated element(s) :
Isoform Synonym(s)
Accession numberTranspositionOriginHost
AY040214 ND Lactobacillus delbrueckii
Lactobacillus delbrueckii subsp. bulgaricus
DNA section
IS Length : 1590 bp

Ends


IR Length : 13/14

IRL : CTTAAACTTCCCACTTACAAAAGTGGGCTTGTACCTTGAAAATTCAATAG
IRR : TTTAAACTTCCCACACCAAAAAGAACTATGAAGCCTTGAAAACTCAATAG

Insertion site


Left flankDirect repeatRight flankDR Length
NNNNNNNNNNTTACTAANNNNNNNNNN7

DNA sequence

CTTAAACTTCCCACTTACAAAAGTGGGCTTGTACCTTGAAAATTCAATAGTTTAGCCAATAAAAAAGCACAAGGCCTTTGTTCGCTTGATATAATTAAGT
CGATCAAAACATCATCAATATCAAACGAAAGGTTGCGCTATGTCTAGTTTACCATCATTCGATACTGAAAACGAACCTAAAATTGCCCGTTCTGTTGAAA
AGTTCTTCAAGGACTACAAAGTTATGGAGCTTCTCCGTAGATGTGGGCTCCGCAAGTCCAAAGGAATCCCACTTTGGTCGATCCTTTCATACATCTTCAG
TAATGTGTTTCGAGACAGAAGCATGTACATGCAACAGAAGTATGGCAAGTGTACTGCTGGCTTCTCCAAAAACACCTACTATCGATTCATGCAGAACCCA
CATATCAACTGGCTTCGCCTCACTATTCTGCTAGCTGAGAGGATCGTCAATGGGCACCTGAAAGATCTGACTTCTGACCAACGTGCCGATTGCTTCGTCT
TTGACGATTCGCTCTACTCTAGAACTGGATACAAGAAGACTGAGCTGGCTGCCAAAGTATTCGACCACGTTTCGATGACCTACAAGAAGGGCTTTCGAAT
GATGACCATGGGTTGGACTGATGGATCCTCCTTTGTCCCAATCGCTTCATCACTCTTGTCCTCAAAGAACGATCAGAATGACCAAGAAGATCGACAAGCG
CACAATCGCGGCCAAGAGGCGGATTATGGCCCAATCAAAGGGGACCGATGTAGTTATCCAGCTGCTCGATCAAGCCTTGAAAGCAGGGCTCACTGCCAAG
TACGTCATGTTTGACACTTGGTTCTCCAATCCTCATCAGATTGTCCAAATCAGTCAACGTGGTTTGAACGTAATCGCCATGGTGAAGAAAAGCTCCAAGA
TCACATACGAGTTCGAAGAAAAGCGGATGAACGTCAAGCAGATCTTCAACGCATGCAAGAAACGTCGAGGTCGTTCAAGATATCTCCTGTCCGTCCCTGT
AAAGGTTGGAGATCCTGCCAAAGATGGCGCCCAGATTGATGCCAGAATAGTCTGCGTAAGAAATCGTTCCAACCGCAAAGACTGGATCGCTCTTATTTGC
ACGGACATGACGATCGATGAAAATGAGATCATCAGAATTTACGGCAAAAGATGGGACATCGAGGTCTTCTTCAAGACCTGCAAGAGTTTCTTGAAGCTTG
GCACTGAATACCATGGCCTGTCATATGATGCATTGACTGCCCATACAGCTTTCGTCTTTCTGCGCTACATGTTCATGTCAGTTGAGAAGCGAGATGATGA
AGATGATAGGACAATAGGCGAGCTCTTTTATTGCATGGTAGACGAGCTTGCGGACATCACTTTCTATTACTCCCTACAAACCCTGGTGGAAGCCATGTTC
GAGAGTGTGAAAGAGATCTTCCAACCGACAGAAGAGCAGATGGAAAGGTTCACCAACGCTTTCATTTCACGCCTCCCGAAGTACATGCAAGAGGCTATAT
CGCCATCATTAGCAGCTTAATTGAATATTTACTGGCTAAACTATTGAGTTTTCAAGGCTTCATAGTTCTTTTTGGTGTGGGAAGTTTAAA
Protein section
ORF number : 1

 

ORF 1
LengthBeginEndStrandFusion ORF
843 bp280 aa6781520+No
ORF function : Transposase
Chemistry : DDE

ORF sequence :

MTKKIDKRTIAAKRRIMAQSKGTDVVIQLLDQALKAGLTAKYVMFDTWFSNPHQIVQISQRGLNVIAMVKKSSKITYEFEEKRMNVKQIFNACKKRRGRS
RYLLSVPVKVGDPAKDGAQIDARIVCVRNRSNRKDWIALICTDMTIDENEIIRIYGKRWDIEVFFKTCKSFLKLGTEYHGLSYDALTAHTAFVFLRYMFM
SVEKRDDEDDRTIGELFYCMVDELADITFYYSLQTLVEAMFESVKEIFQPTEEQMERFTNAFISRLPKYMQEAISPSLAA

 

Blast result :
Comments
ISL5 is 39% aa similar to IS1634.
Additional Accession number : AY040218.
ISL4 was inserted in another IS sequence : ISL5 . This structure was inserted at the border of the lac promoter, and induced the loss of the palindromic structure of one of the operators likely involved in the binding of regulatory factors.
References
1] Lapierre,L., Mollet,B. and Germond,J.E. (2002) J. Bacteriol. 184 (4), 928-935