Detailed information of TA system
Experimentally validatedOverview
TA module
Type | II | Classification (family/domain) | Txe-Axe/- |
Location | 4963..5482 | Replicon | plasmid pRUM |
Accession | NC_005000 | ||
Organism | Enterococcus faecium |
Toxin (Protein)
Gene name | Txe | Uniprot ID | Q848U6 |
Locus tag | HKK39_RS00035 | Protein ID | WP_000588503.1 |
Coordinates | 4963..5220 (-) | Length | 86 a.a. |
Antitoxin (Protein)
Gene name | Axe | Uniprot ID | Q83WJ8 |
Locus tag | HKK39_RS00040 | Protein ID | WP_000388479.1 |
Coordinates | 5213..5482 (-) | Length | 90 a.a. |
Genomic Context
Locus tag | Coordinates | Strand | Size (bp) | Protein ID | Product | Description |
---|---|---|---|---|---|---|
HKK39_RS00005 (pRUM_p01) | 1..291 | - | 291 | WP_000026576.1 | hypothetical protein | - |
HKK39_RS00010 | 427..606 | - | 180 | WP_001021554.1 | hypothetical protein | - |
HKK39_RS00015 (pRUM_p02) | 603..953 | - | 351 | WP_000568378.1 | hypothetical protein | - |
HKK39_RS00020 (pRUM_p03) | 946..2271 | - | 1326 | WP_000969590.1 | Y-family DNA polymerase | - |
HKK39_RS00025 (pRUM_p04) | 2721..3335 | + | 615 | WP_001261742.1 | recombinase family protein | - |
HKK39_RS00030 (pRUM_p05) | 3500..4504 | - | 1005 | WP_000455809.1 | hypothetical protein | - |
HKK39_RS00035 (pRUM_p06) | 4963..5220 | - | 258 | WP_000588503.1 | Txe/YoeB family addiction module toxin | Toxin |
HKK39_RS00040 (pRUM_p07) | 5213..5482 | - | 270 | WP_000388479.1 | type II toxin-antitoxin system Phd/YefM family antitoxin | Antitoxin |
HKK39_RS00045 | 5613..5792 | - | 180 | WP_001120991.1 | hypothetical protein | - |
HKK39_RS00180 | 5808..6008 | - | 201 | WP_001033544.1 | 4-hydroxybenzoate octaprenyltransferase | - |
HKK39_RS00050 (pRUM_p10) | 6173..6868 | - | 696 | WP_002326819.1 | hypothetical protein | - |
HKK39_RS00055 (pRUM_p11) | 6930..7535 | + | 606 | Protein_11 | IS6-like element IS1216 family transposase | - |
HKK39_RS00060 | 7536..7974 | - | 439 | Protein_12 | replication protein RepA | - |
HKK39_RS00065 | 7954..8139 | - | 186 | Protein_13 | APH(3') family aminoglycoside O-phosphotransferase | - |
HKK39_RS00070 (pRUM_p14) | 8232..8774 | - | 543 | WP_000627290.1 | streptothricin N-acetyltransferase Sat4 | - |
HKK39_RS00075 (pRUM_p16) | 8771..9679 | - | 909 | WP_001255866.1 | aminoglycoside nucleotidyltransferase ANT(6)-Ia | - |
HKK39_RS00080 (pRUM_p17) | 9712..10446 | - | 735 | WP_000662263.1 | class I SAM-dependent methyltransferase | - |
Associated MGEs
MGE detail |
Similar MGEs |
Relative position |
MGE Type | Cargo ARG | Virulence gene | Coordinates | Length (bp) |
---|---|---|---|---|---|---|---|
inside | Mobilizable plasmid | ant(6)-Ia / erm(B) / cat(pC233) | - | 1..24873 | 24873 |
Relative position:
(1) inside: TA loci is completely located inside the MGE;
(2) overlap: TA loci is partially overlapped with the MGE;
(3) flank: The TA loci is located in the 5 kb flanking regions of MGE.
Sequences
Toxin
Download Length: 86 a.a. Molecular weight: 10206.53 Da Isoelectric Point: 8.4369
>T6022 WP_000588503.1 NC_005000:c5220-4963 [Enterococcus faecium]
MIKAWSDDAWDDYLYWHEQGNKSNIKKINKLIKDIDRSPFAGLGKPEPLKHDLSGKWSRRITDEHRLIYRVENETIFIYS
AKDHY
MIKAWSDDAWDDYLYWHEQGNKSNIKKINKLIKDIDRSPFAGLGKPEPLKHDLSGKWSRRITDEHRLIYRVENETIFIYS
AKDHY
Download Length: 258 bp
>T6022 NC_005000:c5220-4963 [Enterococcus faecium]
ATGATTAAGGCTTGGTCTGATGATGCTTGGGATGATTATCTTTATTGGCATGAGCAAGGAAACAAAAGCAATATAAAAAA
GATTAACAAGTTAATAAAAGATATCGATCGTTCCCCCTTTGCTGGATTAGGAAAACCTGAGCCATTAAAGCATGATTTAT
CTGGAAAATGGTCCAGAAGAATTACAGATGAACATAGACTGATATATAGAGTTGAAAATGAAACGATATTTATTTATTCT
GCAAAAGATCACTATTAA
ATGATTAAGGCTTGGTCTGATGATGCTTGGGATGATTATCTTTATTGGCATGAGCAAGGAAACAAAAGCAATATAAAAAA
GATTAACAAGTTAATAAAAGATATCGATCGTTCCCCCTTTGCTGGATTAGGAAAACCTGAGCCATTAAAGCATGATTTAT
CTGGAAAATGGTCCAGAAGAATTACAGATGAACATAGACTGATATATAGAGTTGAAAATGAAACGATATTTATTTATTCT
GCAAAAGATCACTATTAA
Antitoxin
Download Length: 90 a.a. Molecular weight: 10373.51 Da Isoelectric Point: 4.4346
>AT6022 WP_000388479.1 NC_005000:c5482-5213 [Enterococcus faecium]
MEAVAYSNFRQNLRSYMKQVNEDAETLIVTSKDVEDTVVVLSKRDYDSMQETLRTLSNNYVMEKIRRGDEQFSKGAFKTH
DLIEVESDD
MEAVAYSNFRQNLRSYMKQVNEDAETLIVTSKDVEDTVVVLSKRDYDSMQETLRTLSNNYVMEKIRRGDEQFSKGAFKTH
DLIEVESDD
Download Length: 270 bp
>AT6022 NC_005000:c5482-5213 [Enterococcus faecium]
ATGGAAGCAGTAGCTTATTCAAATTTCCGCCAAAATTTACGTAGTTATATGAAACAAGTTAATGAGGATGCTGAAACACT
TATTGTAACAAGTAAAGATGTAGAAGATACAGTTGTTGTATTATCAAAAAGAGATTATGATTCTATGCAAGAAACGTTGA
GAACACTTTCTAATAATTACGTCATGGAAAAAATTCGTCGAGGAGATGAACAATTCTCCAAAGGTGCATTTAAAACACAT
GACTTAATCGAGGTTGAATCTGATGATTAA
ATGGAAGCAGTAGCTTATTCAAATTTCCGCCAAAATTTACGTAGTTATATGAAACAAGTTAATGAGGATGCTGAAACACT
TATTGTAACAAGTAAAGATGTAGAAGATACAGTTGTTGTATTATCAAAAAGAGATTATGATTCTATGCAAGAAACGTTGA
GAACACTTTCTAATAATTACGTCATGGAAAAAATTCGTCGAGGAGATGAACAATTCTCCAAAGGTGCATTTAAAACACAT
GACTTAATCGAGGTTGAATCTGATGATTAA
Similar Proteins
Only experimentally validated proteins are listed.
Multiple sequence alignment
Protein | Organism | Identities (%) | Coverage (%) | Ha-value |
---|---|---|---|---|
AT6115 | Enterococcus faecium |
100 |
100 |
1 |
AT10182 | Aggregatibacter actinomycetemcomitans D11S 1 |
56.471 |
100 |
0.571 |
AT6138 | Lactobacillus rhamnosus Lc 705 |
57.831 |
93.258 |
0.539 |
AT10021 | Lacticaseibacillus rhamnosus 51B |
57.831 |
93.258 |
0.539 |
AT10020 | Lacticaseibacillus rhamnosus strain 24 |
57.831 |
93.258 |
0.539 |
AT6237 | Lactobacillus rhamnosus Lc 705 |
57.831 |
93.258 |
0.539 |
AT6143 | Lactobacillus rhamnosus ATCC 8530 |
57.831 |
93.258 |
0.539 |
AT6281 | Streptococcus suis SC84 |
45.238 |
97.674 |
0.442 |
AT728 | Streptococcus pneumoniae R6 |
46.25 |
95.238 |
0.44 |
AT2427 | Staphylococcus aureus subsp. aureus NCTC 8325 |
37.662 |
92.771 |
0.349 |
AT1074 | Staphylococcus aureus subsp. aureus N315 |
37.662 |
92.771 |
0.349 |
AT613 | Staphylococcus aureus subsp. aureus MW2 |
37.662 |
92.771 |
0.349 |
AT10077 | Agrobacterium tumefaciens str. C58 |
37.333 |
89.286 |
0.333 |
AT130 | Mycobacterium tuberculosis H37Rv |
34.177 |
88.764 |
0.303 |
Multiple sequence alignment
Structures
Toxin
Source | ID | Structure |
---|---|---|
AlphaFold DB | A0A828ZXQ8 |
Antitoxin
Source | ID | Structure |
---|---|---|
AlphaFold DB | A0A828ZWU7 |
References
(1) Ruth Grady et al. (2003) Axe-Txe, a broad-spectrum proteic toxin-antitoxin system specified by a multidrug-resistant, clinical isolate of Enterococcus faecium. Molecular Microbiology 47(5):1419-32. [PubMed:12603745]
(2) Elizabeth M Halvorsen et al. (2011) Txe, an endoribonuclease of the enterococcal Axe-Txe toxin-antitoxin system, cleaves mRNA and inhibits protein synthesis. Microbiology (Reading, England) 157(Pt 2):387-397. [PubMed:21030436]
(3) Torill C S Rosvoll et al. (2010) PCR-based plasmid typing in Enterococcus faecium strains reveals widely distributed pRE25-, pRUM-, pIP501- and pHTbeta-related replicons associated with glycopeptide resistance and stabilizing toxin-antitoxin systems. FEMS Immunology And Medical Microbiology 58(2):254-68. [PubMed:20015231]
experimental literature