Mobile element type:  Transposon
Name:  Tn402
Synonyms:  Tn5090
Accession:  Tn402-U67194.4
Family:  Tn402
Group: 
First isolate:  Yes
Partial:  ND
Evidence of transposition:  Yes

Host Organism:  Klebsiella aerogenes(capsular type 37)
Date of Isolation:  1977
Country:  United kingdom
Molecular Source:  plasmid R375

Name Coordinates Direction Length Sequence
None 1-33 + 33 TGTCATTTTC AGAAGACGAC TGCACCAGTT GAT
repeat t1 9-27 + 19 TCAGAAGACG ACTGCACCA
repeat t2 49-67 - 19 TCAGGAGCTG GCTGCACAA
repeat t3 78-97 + 20 TCAGAAGTGA TCTGCACCAA
repeat t4 110-128 + 19 TCAATACTCG TGTGCACCA
repeat i4 7281-7299 - 19 TCAGCGGACG CAGGGAGGA
repeat i3 7309-7327 - 19 TCAGGCAACG ACGGGCTGC
repeat i2 7351-7369 - 19 TCAGAAGCCG ACTGCACTA
None 7368-7400 - 33 TGTCGTTTTC AGAAGACGGC TGCACTGAAC GTC
repeat i1 7374-7392 - 19 TCAGAAGACG GCTGCACTG

Name Associated TE Coordinates Orientation Length Sequence
r6 Tn402 3824-3837 + 14 TTGGAACGGT TGCG
r5 Tn402 3870-3883 + 14 AATTTCTGTC ACAT
r4 Tn402 3875-3888 - 14 AGGTAATGTG ACAG
r3 Tn402 3926-3939 + 14 GGGTTAAGTG ACAA
res Tn402 3967-4001 + 35 ACACTGTCAC ATAATCGAAC GTATACGTGA CGGGT
r2 Tn402 3970-3983 - 14 CGATTATGTG ACAG
r1 Tn402 3986-3999 + 14 CGTATACGTG ACGG
attC qacE Tn402 4728-4868 , 5315-5320 + 147 GTTCAACGCC GAGTTCAGCG GCAGTTTTTA AGTTGTGATT TTATGGAATA CTTTTGCGCA GCAAAACCAT AAAGCCGCGA CTTAAAAACT GTCCAGCGCA GGCACGAAGT GCTGGAGCGG TGCTGCAACG ACTTGTTAGA TATCTAA
attC qacE core Tn402 4728-4868 + 141 GTTCAACGCC GAGTTCAGCG GCAGTTTTTA AGTTGTGATT TTATGGAATA CTTTTGCGCA GCAAAACCAT AAAGCCGCGA CTTAAAAACT GTCCAGCGCA GGCACGAAGT GCTGGAGCGG TGCTGCAACG ACTTGTTAGA T
attC orfD Tn402 5326-5373 , 5635-5641 + 55 GAGGTAAGCC GACCGCAGAA TGCGGGTCGG CTTGACCGAA ATGTTAGATA CTAAC
attC orfD core Tn402 5326-5373 + 48 GAGGTAAGCC GACCGCAGAA TGCGGGTCGG CTTGACCGAA ATGTTAGA
attI Tn402 6049-6104 + 56 CTTTGTTTTA GGGCGACTGC CCTGCTGCGT AACATCGTTG CTGCTCCATA ACATCA

ORF Summary
Name Associated TE Coordinates Orientation Class Subclass
tniA Tn402 142-1821 + Transposase
tniB Tn402 1824-2732 + Accessory Gene
tniQ Tn402 2729-3946 + Accessory Gene Target Site Selection
tniR Tn402 4008-4631 + Accessory Gene Resolvase
qacE (ARO:3005009) Tn402 4880-5212 - Passenger Gene Antibiotic Resistance
dfrB3 (ARO:3003022) Tn402 5744-5980 - Passenger Gene Antibiotic Resistance
intI1 Tn402 6185-7198 + Integron Integrase Class 1
ORF Details
Gene Name Protein Name Associated TE Gene Length Coordinates Strand
tniA TniA Tn402 559 142-1821 +
Class: Transposase
Transposase Chemistry: DDE
Comment: can be extended upstream by 12 amino acids| identical to tniA (Tn1721 and In2)| 25% amino acid sequence identity to TnsB from Tn7
Protein Sequence: MATDTPRIPE QGVATLPDEA WERARRRAEI ISPLAQSETV GHEAADMAAQ ALGLSRRQVY VLIRRARQGS GLVTDLVPGQ SGGGKGKGRL PEPVERVIHE LLQKRFLTKQ KRSLAAFHRE VTQVCKAQKL RVPARNTVAL RIASLDPRKV IRRREGQDAA RDLQGVGGEP PAVTAPLEQV QIDHTVIDLI VVDDRDRQPI GRPYLTLAID VFTRCVLGMV VTLEAPSAVS VGLCLVHVAC DKRPWLEGLN VEMDWQMSGK PLLLYLDNAA EFKSEALRRG CEQHGIRLDY RPLGQPHYGG IVERIIGTAM QMIHDELPGT TFSNPDQRGD YDSENKAALT LRELERWLTL AVGTYHGSVH NGLLQPPAAR WAEAVARVGV PAVVTRATSF LVDFLPILRR TLTRTGFVID HIHYYADALK PWIARRERWP SFLIRRDPRD ISRIWVLEPE GQHYLEIPYR TLSHPAVTLW EQRQALAKLR QQGREQVDES ALFRMIGQMR EIVTSAQKAT RKARRDADRR QHLKTSARPD KPVPPDTDIA DPQADNLPPA KPFDQIEEW

Gene Name Protein Name Associated TE Gene Length Coordinates Strand
tniB TniB Tn402 302 1824-2732 +
Class: Accessory Gene
Sequence Family: ATP binding protein?
Comment: identical to tniB (Tn1721)| similar function to Tn7 tnsC and MuB
Protein Sequence: MDEYPIIDLS HLLPAAQGLA RLPADERIQR LRADRWIGYP RAVEALNRLE ALYAWPNKQR MPNLLLVGPT NNGKSMIVEK FRRTHPASSD ADQEHIPVLV VQMPSEPSVI RFYVALLAAM GAPLRPRPRL PEMEQLALAL LRKVGVRMLV IDELHNVLAG NSVNRREFLN LLRFLGNELR IPLVGVGTRD AYLAIRSDDQ LENRFEPMML PVWEANDDCC SLLASFAASL PLRRPSPIAT LDMARYLLTR SEGTIGELAH LLMAAAIVAV ESGEEAINHR TLSMAVYTGP SERRRQFERE LM

Gene Name Protein Name Associated TE Gene Length Coordinates Strand
tniQ TniQ Tn402 405 2729-3946 +
Class: Accessory Gene
Subclass: Target Site Selection
Comment: identical to tniQ (Tn1721)|similar function to Tn7 tnsD?
Protein Sequence: MKPAPRWPLH PAPKEGEALS SWLNRVALCY HMEEPDLLEH DLGHGQVDDL DTAPPLSLLA LLSQRSGIEL DRLRCMSFAG WVPWLLDSLD DQIPDALETY AFQLSVLLPR LRRKTRSITS WRAWLPSQPI NRACPLCLSD PENQAVLLAW KLPLMLSCPL HGCWLESYWG VPGRFLGWEN ADAEPRTASD AIAAMDQRTW QALTTGHVEL PRRRIHAGLW FRLLRTLLDE LNTPLSACGT CAGYPRQVWE GCGHPLRAGQ SLWRPYETLN PIVRLQMLEA AATAISLIEV RDISPPGEQA KLFWSEPQTG FTSGLPTKAP KPEPINHWQR AVQAIDEAII EARHNPETAR SLFALASYGR RDPASLERLR ATFVKEGIPP EFLSHYLPDA PFACLKQNDG LSDKF

Gene Name Protein Name Associated TE Gene Length Coordinates Strand
tniR TniR Tn402 207 4008-4631 +
Class: Accessory Gene
Subclass: Resolvase
Sequence Family: Serine Site-Specific Recombinase
Transposase Chemistry: Serine
Comment: resolution of cointegrates || Protein: ACE81792.1 || identical to tniR (Tn1721)
Protein Sequence: MLIGYMRVSK ADGSQSTNLQ RDALIAAGVS LAHLYEDLAS GRRDDRPGLA ACLKALREGD TLIVWKLDRL GRDLRHLINT VHDLTARSVG LKVLTGHGAA VDTTTAAGKL VFGIFAALAE FERELISERT VAGLISARAR GRKGGRPFKM TAAKLRLAMA SMGQPETKVG DLCEELGITR QTLYRHVSPK GELRPDGVKL LSLGSAA

Gene Name Protein Name Associated TE Gene Length Coordinates Strand
qacE (ARO:3005009) QacE Tn402 110 4880-5212 -
Class: Passenger Gene
Subclass: Antibiotic Resistance
Function: antibiotic efflux (ARO:0010000)
Sequence Family: major facilitator superfamily (MFS) antibiotic efflux pump (ARO:0010002)
Target: disinfecting agents and antiseptics(ARO:3005386)
Comment: SMR export pump||strict match to reference sequence for ARO:3005009 (bitscore:204)
Protein Sequence: MKGWLFLVIA IVGEVIATSA LKSSEGFTKL APSAVVIIGY GIAFYFLSLV LKSIPVGVAY AVWSGLGVVI ITAIAWLLHG QKLDAWGFVG MGLIVSGVVV LNLLSKASAH

Gene Name Protein Name Associated TE Gene Length Coordinates Strand
dfrB3 (ARO:3003022) DfrB3 Tn402 78 5744-5980 -
Class: Passenger Gene
Subclass: Antibiotic Resistance
Function: antibiotic target replacement (ARO:0001002)
Sequence Family: trimethoprim resistant dihydrofolate reductase dfr (ARO:3001218)
Target: diaminopyrimidine antibiotic (ARO:3000171)
Comment: 100% identity to reference sequence ARO:3003022 in Klebsiella oxytoca (bitscore: 163)
Protein Sequence: MDQHNNGVST LVAGQFALPS HATFGLGDRV RKKSGAAWQG QVVGWYCTKL TPEGYAVESE SHPGSVQIYP VAALERVA

Gene Name Protein Name Associated TE Gene Length Coordinates Strand
intI1 IntI1 Tn402 337 6185-7198 +
Class: Integron Integrase
Subclass: Class 1
Sequence Family: Class 1 Integron Tyrosine Integrase
Transposase Chemistry: Tyrosine
Protein Sequence: MKTATAPLPP LRSVKVLDQL RERIRYLHYS LRTEQAYVNW VRAFIRFHGV RHPATLGSSE VEAFLSWLAN ERKVSVSTHR QALAALLFFY GKVLCTDLPW LQEIGRPRPS RRLPVVLTPD EVVRILGFLE GEHRLFAQLL YGTGMRISEG LQLRVKDLDF DHGTIIVREG KGSKDRALML PESLAPSLRE QLSRARAWWL KDQAEGRSGV ALPDALERKY PRAGHSWPWF WVFAQHTHST DPRSGVVRRH HMYDQTFQRA FKRAVEQAGI TKPATPHTLR HSFATALLRS GYDIRTVQDL LGHSDVSTTM IYTHVLKVGG AGVRSPLDAL PPLTSER

1.  Shapiro JA, Sporn P.  Tn402: a new transposable element determining trimethoprim resistance that inserts in bacteriophage lambda..  J Bacteriol. 1977 Mar;129(3):1632-5. doi: 10.1128/jb.129.3.1632-1635.1977.  PubMed ID: 321437 .
2.  Ferrante AA, Lessie TG.  Nucleotide sequence of IS402 from Pseudomonas cepacia..  Gene. 1991 Jun 15;102(1):143-4. doi: 10.1016/0378-1119(91)90555-p.  PubMed ID: 1650732 .
3.  Marchiaro P, Viale AM, Ballerini V, Rossignol G, Vila AJ, Limansky A.  First report of a Tn402-like class 1 integron carrying blaVIM-2 in Pseudomonas putida from Argentina..  J Infect Dev Ctries. 2010 Jun 30;4(6):412-6.  PubMed ID: 20601796 .
4.  Sajjad A, Holley MP, Labbate M, Stokes HW, Gillings MR.  Preclinical class 1 integron with a complete Tn402-like transposition module..  Appl Environ Microbiol. 2011 Jan;77(1):335-7. doi: 10.1128/AEM.02142-10. Epub 2010 Oct 29.  PubMed ID: 21037292 .
5.  Smith CA, Thomas CM.  Comparison of the nucleotide sequences of the vegetative replication origins of broad host range IncP plasmids R751 and RK2 reveals conserved features of probable functional importance..  Nucleic Acids Res. 1985 Jan 25;13(2):557-72. doi: 10.1093/nar/13.2.557.  PubMed ID: 4000925 .