ISLead3

  • Family IS1
  • Group
MGE type ISRelated element(s) :
Isoform Synonym(s)
Accession numberTranspositionOriginHost
MN423365 ND Leclercia adcarboxglata
Leclercia adcarboxglata
Leclercia adecarboxylata L21
DNA section
IS Length : 764 bp

Ends


IR Length : 18/23

IRL : GGTCATGACGCCAACTTAGTGCTGCTGTATACTTCGCCTTTTGGATAAGT
IRR : GGTCGTGACGCTGATTTAGTGGTAATGGTTGATTGTCAGATACCATCCGA

Insertion site


Left flankDirect repeatRight flankDR Length
ATATTACTACAACAGATTTGCGTTATTGTTAT8

DNA sequence

GGTCATGACGCCAACTTAGTGCTGCTGTATACTTCGCCTTTTGGATAAGTGATGGCAAAGATTGATGTGGTTTGTCCCCGTTGCTCTGAAACTCAAGGGG
TTATCCGTAATGGTCACTCAACGTCAGGTGCTCAGCTCTATCGCTGCAAGCTCTGCCTGAAAACCTTCCAGCTCAGCTTTCAGTACAACGCCGCTAAACC
CGATACCCATCAATCCATTATTGATATGGCAATGAATGGGGCCGGGTGTCGTGACACTGCACGAGTCCTTGATATCAGCCTCAATACTGTCCTCCGCCAT
CTAAAAAACTGGCGCCGAAACAGGTAGCGCAACACATTGAGCCCGGAGCAGAAGTTGTCATCTGTTGTGAAGCTGATGAGCAGTGGTCATTCGTACGTTG
TAAGGGCAATCCACGCTGGCTCTTTTATGCCTATGACCGCATCCGAAAGCGGGTTCTTGCTCACGTCTTTGGCCCCCGAAATGCGGTGACGTTACAGCGG
CTTCTGGCACTGCTGAGCAAATTTAATATTGCCTTCTACATGACCGATGCGTGGCCGGTATACCGGACGTTGCTGGACTCAGCCAGCCATGTAGTCAGCA
AGAAATATACCCAGCGAATAGAGCGTCATAACCTGAATCTGCGGACTCACCTTAAGCGCCTTACCCGAAGGACAATCTGCTTTTCAAAATCAGAAGAAAT
GCACGATAAGGTCATCGGATGGTATCTGACAATCAACCATTACCACTAAATCAGCGTCACGACC
Recoding section
  • Recoding by frameshift
  • Frame -1
  • Type translational
  • Experimentally demonstrated No

Stimulators :

  • Shine-Dalgarno sequence :
  • Secondary structure :

Recoding motif :

Protein section
ORF number : 3

 

ORF 1
LengthBeginEndStrandFusion ORF
276 bp91 aa52327+No
ORF function : Transposase
Description : First part of the transposase

ORF sequence :

MAKIDVVCPRCSETQGVIRNGHSTSGAQLYRCKLCLKTFQLSFQYNAAKPDTHQSIIDMAMNGAGCRDTARVLDISLNTVLRHLKNWRRNR

 

Blast result :
ORF 2
LengthBeginEndStrandFusion ORF
477 bp158 aa273749+No
ORF function : Transposase
Description : Second part of the transposase

ORF sequence :

YQPQYCPPPSKKLAPKQVAQHIEPGAEVVICCEADEQWSFVRCKGNPRWLFYAYDRIRKRVLAHVFGPRNAVTLQRLLALLSKFNIAFYMTDAWPVYRTL
LDSASHVVSKKYTQRIERHNLNLRTHLKRLTRRTICFSKSEEMHDKVIGWYLTINHYH

 

Blast result :
ORF 3
LengthBeginEndStrandFusion ORF
698 bp232 aa52749+Yes
ORF function : Transposase
Chemistry : DDE

ORF sequence :

MAKIDVVCPRCSETQGVIRNGHSTSGAQLYRCKLCLKTFQLSFQYNAAKPDTHQSIIDMAMNGAGCRDTARVLDISLNTVLRHLKKLAPKQVAQHIEPGA
EVVICCEADEQWSFVRCKGNPRWLFYAYDRIRKRVLAHVFGPRNAVTLQRLLALLSKFNIAFYMTDAWPVYRTLLDSASHVVSKKYTQRIERHNLNLRTH
LKRLTRRTICFSKSEEMHDKVIGWYLTINHYH

 

Blast result :
Comments
ISLead3 is 97% aa (transposase) similar to ISEic1.
The third ORF is the putative ORFAB transposase reconstructed in silico by possible -1 frameshift.
References
1] Yanan Xu (2020) Direct submission.
2] Zhou,D.S. and Zeng,L. (2019) Direct submission.