Mobile element type:  Transposon
Name:  Tn501
Synonyms: 
Accession:  Tn501-Z00027
Family:  Tn3
Group:  Tn21
First isolate:  Yes
Partial:  ND
Evidence of transposition:  Yes

Host Organism:  Pseudomonas aeruginosa
Date of Isolation:  1977
Country: 
Molecular Source:  plasmidpVS1

Name Coordinates Direction Length Sequence
IRL 1-38 + 38 GGGGGAACCG CAGAATTCGG AAAAAATCGT ACGCTAAG
IR 81-118 + 38 GGGGTCGTCT CAGAAAACGG AAAATAAAGC ACGCTAAG
IRR 8318-8355 - 38 GGGGGGCTCG CAGAATTCGG AAAAAATCGT ACGCTAAG

Name Associated TE Coordinates Orientation Length Sequence
res Tn501 4603-4729 + 127 CTACCGTCAG ATTGAGGCAT ACCCTAACTG GATGTCAGGC AGGGCCGCGC CGCTTAGTCA GAATAGAGTC ATCTTTCGCA TTTTTGACAC ATGCCTGCGA AGGTCATAGA TTTCAGCCTG ACAGAAA
res_site_I Tn501 4607-4637 + 31 CGTCAGATTG AGGCATACCC TAACTGGATG T
res_site_II Tn501 4662-4691 + 30 AGAATAGAGT CATCTTTCGC ATTTTTGACA
res_site_III Tn501 4694-4725 + 32 TGCCTGCGAA GGTCATAGAT TTCAGCCTGA CA

ORF Summary
Name Associated TE Coordinates Orientation Class Subclass
merR Tn501 114-548 - Passenger Gene Heavy Metal Resistance
merT Tn501 620-970 + Passenger Gene Heavy Metal Resistance
merP Tn501 983-1258 + Passenger Gene Heavy Metal Resistance
merA Tn501 1330-3015 + Passenger Gene Heavy Metal Resistance
merD Tn501 3033-3398 + Passenger Gene Heavy Metal Resistance
merE Tn501 3395-3631 + Passenger Gene Heavy Metal Resistance
urfM Tn501 3628-4617 + Passenger Gene Other
tnpR Tn501 4792-5352 + Accessory Gene Resolvase
tnpA Tn501 5356-8322 + Transposase
ORF Details
Gene Name Protein Name Associated TE Gene Length Coordinates Strand
merR MerR Tn501 144 114-548 -
Class: Passenger Gene
Subclass: Heavy Metal Resistance
Function: activator-repressor of mer operon
Target: Mercury
Protein Sequence: MENNLENLTI GVFAKAAGVN VETIRFYQRK GLLLEPDKPY GSIRRYGEAD VTRVRFVKSA QRLGFSLDEI AELLRLEDGT HCEEASSLAE HKLKDVREKM ADLARMEAVL SELVCACHAR RGNVSCPLIA SLQGGASLAG SAMP

Gene Name Protein Name Associated TE Gene Length Coordinates Strand
merT MerT Tn501 116 620-970 +
Class: Passenger Gene
Subclass: Heavy Metal Resistance
Function: cytosolic mercuric ion transport protein
Target: Mercury
Protein Sequence: MSEPKTGRGA LFTGGLAAIL ASACCLGPLV LIALGFSGAW IGNLAVLEPY RPIFIGVALV ALFFAWRRIY RQAAACKPGE VCAIPQVRAT YKLIFWIVAA LVLVALGFPY VMPFFY

Gene Name Protein Name Associated TE Gene Length Coordinates Strand
merP MerP Tn501 91 983-1258 +
Class: Passenger Gene
Subclass: Heavy Metal Resistance
Function: mercury transport
Target: Mercury
Protein Sequence: MKKLFASLAL AAVVAPVWAA TQTVTLSVPG MTCSACPITV KKAISEVEGV SKVDVTFETR QAVVTFDDAK TSVQKLTKAT ADAGYPSSVK Q

Gene Name Protein Name Associated TE Gene Length Coordinates Strand
merA MerA Tn501 561 1330-3015 +
Class: Passenger Gene
Subclass: Heavy Metal Resistance
Function: mercuric ion reductase
Target: Mercury
Protein Sequence: MTHLKITGMT CDSCAAHVKE ALEKVPGVQS ALVSYPKGTA QLAIVPGTSP DALTAAVAGL GYKATLADAP LADNRVGLLD KVRGWMAAAE KHSGNEPPVQ VAVIGSGGAA MAAALKAVEQ GAQVTLIERG TIGGTCVNVG CVPSKIMIRA AHIAHLRRES PFDGGIAATV PTIDRSKLLA QQQARVDELR HAKYEGILGG NPAITVVHGE ARFKDDQSLT VRLNEGGERV VMFDRCLVAT GASPAVPPIP GLKESPYWTS TEALASDTIP ERLAVIGSSV VALELAQAFA RLGSKVTVLA RNTLFFREDP AIGEAVTAAF RAEGIEVLEH TQASQVAHMD GEFVLTTTHG ELRADKLLVA TGRTPNTRSL ALDAAGVTVN AQGAIVIDQG MRTSNPNIYA AGDCTDQPQF VYVAAAAGTR AAINMTGGDA ALDLTAMPAV VFTDPQVATV GYSEAEAHHD GIETDSRTLT LDNVPRALAN FDTRGFIKLV IEEGSHRLIG VQAVAPEAGE LIQTAALAIR NRMTVQELAD QLFPYLTMVE GLKLAAQTFN KDVKQLSCCA G

Gene Name Protein Name Associated TE Gene Length Coordinates Strand
merD MerD Tn501 121 3033-3398 +
Class: Passenger Gene
Subclass: Heavy Metal Resistance
Function: secondary regulatory protein
Target: Mercury
Protein Sequence: MNAYPVSRLA LDAGVSVHIV RDYLLRGLLR PVACTPGGYG LFDDAALQRL CFVRAAFEAG IGLDALARLC RALDAADGDE AAAQLALLRQ FVERRREALA DLEVQLATLP TEPAQHAESL P

Gene Name Protein Name Associated TE Gene Length Coordinates Strand
merE MerE Tn501 78 3395-3631 +
Class: Passenger Gene
Subclass: Heavy Metal Resistance
Function: mercury transport
Target: Mercury
Protein Sequence: MNNPERLPSE THKPITGYLW GGLAVLTCPC HLPILAVVLA GTTAGAFLGE HWVIAALGLT GLFLLSLSRA LRAFRERE

Gene Name Protein Name Associated TE Gene Length Coordinates Strand
urfM UrfM Tn501 329 3628-4617 +
Class: Passenger Gene
Subclass: Other
Function: possible diguanylate phosphodiesterase
Sequence Family: EAL (Pfam:PF00563)||DUF3330 (Pfam:PF11809)
Comment: similar to UrfM from E.coli
Protein Sequence: MSAFRPDGWT TPELAQAVER GQLELHYQPV VDLRSGGIVG AEALLRWRHP TLGLLPPGQF LPVVESSGLM PEIGAWVLGE ACRQMRDWRM LAWRPFRLAV NASASQVGPD FDGWVKGVLA DAELPAEYLE IELTESVAFG DPAIFPALDA LRQIGVRFAA DDFGTGYSCL QHLKCCPIST LKIDQSFVAG LANDRRDQTI VHTVIQLAHG LGMDVVAEGV ETSASLDLLR QADCDTGQGF LFAKPMPAAA FAVFVSQWRG ATMNASDSTT TSCCVCCKEI PLDAAFTPEG AEYVEHFCGL ECYQRFEARA KTGNETDADP NACDSLPSD

Gene Name Protein Name Associated TE Gene Length Coordinates Strand
tnpR TnpR Tn501 186 4792-5352 +
Class: Accessory Gene
Subclass: Resolvase
Function: resolvase||serine site-specific recombinase
Sequence Family: Serine Site-Specific Recombinase
Transposase Chemistry: Serine
Protein Sequence: MQGHRIGYVR VSSFDQNPER QLEQTQVSKV FTDKASGKDT QRPQLEALLS FVREGDTVVV HSMDRLARNL DDLRRLVQKL TQRGVRIEFL KEGLVFTGED SPMANLMLSV MGAFAEFERA LIRERQREGI TLAKQRGAYR GRKKALSDEQ AATLRQRATA GEPKAQLARE FNISRETLYQ YLRTDD

Gene Name Protein Name Associated TE Gene Length Coordinates Strand
tnpA TnpA Tn501 988 5356-8322 +
Class: Transposase
Function: transposase
Transposase Chemistry: DDE
Protein Sequence: MPRRLILSAT ERGTLLALPE SQDDLIRYYT FNDSDLSLIR QRRGDANRLG FAVQLCLLRY PGYALGTDSE LPEPVILWVA KQVQTDPASW TKYGERDVTR REHAQELRTY LQLAPFGLSD FRALVRELTE LAQQTDKGLL LAGQALESLR QKRRILPALS VIDRACSEAI ARANRRVYRA LVEPLTDSHR AKLDELLKLK AGSSITWLTW LRQAPLKPNS RHMLEHIERL KTFQLVDLPE VLGRHIHQNR LLKLAREGGQ MTPKDLGKFE PQRRYATLAA VVLESTATVI DELVDLHDRI LVKLFSGAKH KHQQQFQKQG KAINDKVRLY SKIGQALLEA KEAGSDPYAA IEAVIPWDEF TESVSEAELL ARPEGFDHLH LVGENFATLR RYTPALLEVL ELRAAPAAQG VLAAVQTLRE MNADNLRKVP ADAPTAFIKP RWKPLVITPE GLDRRFYEIC ALSELKNALR SGDIWVKGSR QFRDFDDYLL PAEKFAALKR EQALPLAINP NSDQYLEERL QLLDEQLATV ARLAKDNELP DAILTESGLK ITPLDAAVPD RAQALIDQTS QLLPRIKITE LLMDVDDWTG FSRHFTHLKD GAEAKDRTLL LSAILGDAIN LGLTKMAESS PGLTYAKLSW LQAWHIRDET YSAALAELVN HQYQHAFAAH WGDGTTSSSD GQRFRAGGRG ESTGHVNPKY GSEPGRLFYT HISDQYAPFS TRVVNVGVRD STYVLDGLLY HESDLRIEEH YTDTAGFTDH VFALMHLLGF RFAPRIRDLG ETKLYVPQGV QTYPTLRPLI GGTLNIKHVR AHWDDILRLA SSIKQGTVTA SLMLRKLGSY PRQNGLAVAL RELGRIERTL FILDWLQSVE LRRRVHAGLN KGEARNSLAR AVFFNRLGEI RDRSFEQQRY RASGLNLVTA AIVLWNTVYL ERATQGLVEA GKPVDGELLQ FLSPLGWEHI NLTGDYVWRQ SRRLEDGKFR PLRMPGKP

1.  Diver WP, Grinsted J, Fritzinger DC, Brown NL, Altenbuchner J, Rogowsky P, Schmitt R.  DNA sequences of and complementation by the tnpR genes of Tn21, Tn501 and Tn1721..  Mol Gen Genet. 1983;191(2):189-93. doi: 10.1007/BF00334812.  PubMed ID: 6312271 .
2.  Brown NL, Ford SJ, Pridmore RD, Fritzinger DC.  Nucleotide sequence of a gene from the Pseudomonas transposon Tn501 encoding mercuric reductase..  Biochemistry. 1983 Aug 16;22(17):4089-95. doi: 10.1021/bi00286a015.  PubMed ID: 6311258 .
3.  Misra TK, Brown NL, Fritzinger DC, Pridmore RD, Barnes WM, Haberstroh L, Silver S.  Mercuric ion-resistance operons of plasmid R100 and transposon Tn501: the beginning of the operon including the regulatory region and the first two structural genes..  Proc Natl Acad Sci U S A. 1984 Oct;81(19):5975-9. doi: 10.1073/pnas.81.19.5975.  PubMed ID: 6091128 .
4.  Brown NL, Winnie JN, Fritzinger D, Pridmore RD.  The nucleotide sequence of the tnpA gene completes the sequence of the Pseudomonas transposon Tn501..  Nucleic Acids Res. 1985 Aug 12;13(15):5657-69. doi: 10.1093/nar/13.15.5657.  PubMed ID: 2994007 .
5.  Brown NL, Misra TK, Winnie JN, Schmidt A, Seiff M, Silver S.  The nucleotide sequence of the mercuric resistance operons of plasmid R100 and transposon Tn501: further evidence for mer genes which enhance the activity of the mercuric ion detoxification system..  Mol Gen Genet. 1986 Jan;202(1):143-51. doi: 10.1007/BF00330531.  PubMed ID: 3007931 .