Detailed information of TA system
Experimentally validatedOverview
TA module
Type | II | Classification (family/domain) | paaR-paaA-parE/RHH-RelE |
Location | 1167455..1167933 | Replicon | chromosome |
Accession | NC_002695 | ||
Organism | Escherichia coli O157:H7 str. Sakai |
Toxin (Protein)
Gene name | parE_1 | Uniprot ID | - |
Locus tag | ECs_1067 | Protein ID | NP_309094.1 |
Coordinates | 1167456..1167743 (-) | Length | 96 a.a. |
Antitoxin (Protein)
Gene name | paaA | Uniprot ID | - |
Locus tag | ECs_1068 | Protein ID | NP_309095.1 |
Coordinates | 1167743..1167934 (-) | Length | 64 a.a. |
Regulator (Protein)
Gene name | paaR | Uniprot ID | - |
Locus tag | ECs_1069 | Protein ID | NP_309096.2 |
Coordinates | 1167962..1168363 (-) | Length | 134 a.a. |
Genomic Context
Locus tag | Coordinates | Strand | Size (bp) | Protein ID | Product | Description |
---|---|---|---|---|---|---|
ECs_1057 | 1162605..1165076 | - | 2472 | NP_309084.1 | exonuclease | - |
ECs_1058 | 1165170..1165361 | - | 192 | NP_309085.1 | hypothetical protein | - |
ECs_1059 | 1165358..1165546 | - | 189 | NP_309086.1 | cell division inhibition protein | - |
ECs_1061 | 1166120..1166305 | + | 186 | NP_309088.1 | hypothetical protein | - |
ECs_1063 | 1166492..1166881 | - | 390 | NP_309090.1 | hypothetical protein | - |
ECs_1064 | 1166893..1167021 | - | 129 | NP_303797.1 | hypothetical protein | - |
ECs_1065 | 1167023..1167178 | - | 156 | NP_309092.1 | hypothetical protein | - |
ECs_1067 | 1167456..1167743 | - | 288 | NP_309094.1 | plasmid stabilization system protein | Toxin |
ECs_1068 | 1167743..1167934 | - | 192 | NP_309095.1 | hypothetical protein | Antitoxin |
ECs_1069 | 1167962..1168363 | - | 402 | NP_309096.2 | phage repressor protein | Regulator |
ECs_1070 | 1168472..1168744 | + | 273 | NP_309097.1 | hypothetical protein | - |
ECs_1071 | 1168728..1169153 | + | 426 | NP_309098.1 | hypothetical protein | - |
ECs_5703 | 1169360..1169815 | - | 456 | YP_009502597.1 | hypothetical protein | - |
ECs_1073 | 1169894..1170985 | + | 1092 | NP_309100.1 | phage replication protein | - |
ECs_1074 | 1170992..1171738 | + | 747 | NP_309101.1 | phage DNA replication protein | - |
ECs_1075 | 1171760..1172530 | + | 771 | NP_309102.1 | hypothetical protein | - |
Associated MGEs
MGE detail |
Similar MGEs |
Relative position |
MGE Type | Cargo ARG | Virulence gene | Coordinates | Length (bp) |
---|
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: 96 a.a. Molecular weight: 10978.84 Da Isoelectric Point: 10.1360
MLPILWLPSARDDLRQIITYIAKENPPAARRLKIRIETSVLPLSEHPYLYPPSERVSGLREIVTHPNYIILYRVAASSIE
IVSVTHSRRQFPFSI
Download Length: 288 bp
ATGTTACCCATTTTATGGCTACCGTCTGCTCGCGATGATTTGCGCCAGATCATAACTTACATCGCCAAGGAGAACCCACC
GGCAGCACGTAGACTAAAAATACGCATTGAAACATCGGTATTACCTCTATCTGAGCATCCGTACTTATATCCACCAAGCG
AACGGGTTTCTGGATTGAGAGAGATCGTGACCCACCCTAACTACATAATCCTGTACAGAGTAGCTGCTTCAAGCATTGAG
ATTGTAAGCGTGACACATTCTCGGCGACAATTTCCCTTCTCTATCTGA
Antitoxin
Download Length: 64 a.a. Molecular weight: 7025.80 Da Isoelectric Point: 4.0270
MGTALSPIVSEFETTEQENSYNEWLRTKVTSSLADTRPAIPHDEVMAEMENLIAQIAVTNKSE
Download Length: 192 bp
ATGGGTACAGCCCTTTCTCCGATAGTTTCAGAATTCGAAACTACCGAACAAGAAAACAGTTACAACGAATGGTTGCGCAC
TAAAGTAACGTCAAGCCTTGCAGACACTCGCCCCGCAATTCCACATGACGAGGTAATGGCTGAAATGGAAAATCTTATTG
CTCAAATTGCTGTAACTAACAAGAGCGAGTAA
Regulator
Download Length: 134 a.a. Molecular weight: 15301.65 Da Isoelectric Point: 8.0365
MMSALEVSMYRISKLLQETGWSQAELARRIGVTQQTVQQWVSGKATPKASSLDKLVEVSGHPLHWFLLPPEECEQIFTPD
TMKIGPRQRELLQAFSAFPEEDQEKMLQEIKDKKKSMEETIARWLAAQKSRRA
Download Length: 402 bp
ATGATGAGCGCCCTAGAAGTATCTATGTACAGAATCAGCAAGCTTCTTCAGGAAACTGGATGGAGCCAGGCTGAGCTTGC
CCGTAGAATTGGTGTGACACAACAAACTGTTCAACAATGGGTCAGCGGTAAGGCTACACCTAAAGCCTCAAGTTTGGATA
AACTGGTTGAGGTTTCAGGGCATCCATTGCATTGGTTTTTATTGCCTCCTGAAGAGTGTGAGCAAATTTTCACCCCTGAC
ACGATGAAAATTGGTCCTCGCCAACGCGAACTGCTCCAAGCTTTTAGTGCGTTTCCTGAGGAAGACCAAGAAAAAATGCT
TCAAGAAATCAAAGACAAGAAAAAATCAATGGAAGAAACCATTGCTAGGTGGCTGGCGGCACAAAAAAGCCGCCGGGCGT
GA
Similar Proteins
Only experimentally validated proteins are listed.
Protein | Organism | Identities (%) | Coverage (%) | Ha-value |
---|---|---|---|---|
T1008 | Escherichia coli O157:H7 str. Sakai |
67.391 |
100 |
0.674 |
T10141 | Pseudomonas savastanoi |
56.522 |
96.842 |
0.547 |
T10143 | Pseudomonas savastanoi |
46.154 |
98.913 |
0.457 |
T10139 | Pseudomonas savastanoi |
40.217 |
100 |
0.407 |
T10119 | Escherichia coli |
34.409 |
100 |
0.348 |
T229 | Caulobacter crescentus CB15 |
36.364 |
92.632 |
0.337 |
T6097 | Sinorhizobium meliloti 1021 |
33.696 |
96.842 |
0.326 |
T178 | Vibrio cholerae O1 biovar El Tor str. N16961 |
31.183 |
97.895 |
0.305 |
Multiple sequence alignment
Protein | Organism | Identities (%) | Coverage (%) | Ha-value |
---|---|---|---|---|
AT1008 | Escherichia coli O157:H7 str. Sakai |
69.643 |
88.889 |
0.619 |
AT10141 | Pseudomonas savastanoi |
60.784 |
83.607 |
0.508 |
AT10143 | Pseudomonas savastanoi |
60.784 |
80.952 |
0.492 |
AT10139 | Pseudomonas savastanoi |
52.727 |
87.302 |
0.46 |
Multiple sequence alignment
Structures
Toxin
Source | ID | Structure |
---|
Antitoxin
Source | ID | Structure |
---|
References
(1) Régis Hallez et al. (2010) New toxins homologous to ParE belonging to three-component toxin-antitoxin systems in Escherichia coli O157:H7. Molecular Microbiology 76(3):719-32. [PubMed:20345661]
experimental literature