Detailed information of TA system    

experimentalExperimentally validated    

Overview


TA module


Type II Classification (family/domain) relBE/RHH-RelE
Location 1643370..1643896 Replicon chromosome
Accession NC_000913
Organism Escherichia coli str. K-12 substr. MG1655

Toxin (Protein)


Gene name relE Uniprot ID P0C077
Locus tag b1563 Protein ID NP_416081.1
Coordinates 1645346..1645633 (-) Length 96 a.a.

Antitoxin (Protein)


Gene name relB Uniprot ID P0C079
Locus tag b1564 Protein ID NP_416082.1
Coordinates 1645633..1645872 (-) Length 80 a.a.

Genomic Context


b4776b1558b4750b1565b1566b1570b1571b1572b1552b1553b4689b1554b1555b1556b1557b1559b1560b1561b1562b1563b1564b1567b1568b1569
Location: 1640805..1640975 (171 bp)
Type: Others
Protein ID: YP_010051186.1
Location: 1641855..1642067 (213 bp)
Type: Others
Protein ID: NP_416076.1
Location: 1642122..1642211 (90 bp)
Type: Others
Protein ID: YP_009518791.1
Location: 1645897..1646202 (306 bp)
Type: Others
Protein ID: NP_416083.1
Location: 1646405..1646737 (333 bp)
Type: Others
Protein ID: NP_416084.1
Location: 1647934..1648341 (408 bp)
Type: Others
Protein ID: NP_416088.1
Location: 1648508..1648663 (156 bp)
Type: Others
Protein ID: NP_416089.1
Location: 1648665..1648793 (129 bp)
Type: Others
Protein ID: NP_416090.2
Location: 1638455..1638667 (213 bp)
Type: Others
Protein ID: NP_416070.1
Location: 1639030..1639527 (498 bp)
Type: Others
Protein ID: NP_416071.1
Location: 1639080..1639334 (255 bp)
Type: Others
Protein ID: YP_002791241.1
Location: 1639524..1640057 (534 bp)
Type: Others
Protein ID: NP_416072.1
Location: 1640054..1640365 (312 bp)
Type: Others
Protein ID: NP_416073.1
Location: 1640370..1640585 (216 bp)
Type: Others
Protein ID: NP_416074.4
Location: 1641339..1641554 (216 bp)
Type: Others
Protein ID: NP_416075.1
Location: 1642489..1643241 (753 bp)
Type: Others
Protein ID: NP_416077.4
Location: 1643255..1644304 (1050 bp)
Type: Others
Protein ID: NP_416078.4
Location: 1644651..1644902 (252 bp)
Type: Others
Protein ID: NP_416079.1
Location: 1645119..1645274 (156 bp)
Type: Others
Protein ID: NP_416080.1
Location: 1645346..1645633 (288 bp)
Type: Toxin
Protein ID: NP_416081.1
Location: 1645633..1645872 (240 bp)
Type: Antitoxin
Protein ID: NP_416082.1
Location: 1647174..1647323 (150 bp)
Type: Others
Protein ID: YP_009518792.1
Location: 1647346..1647636 (291 bp)
Type: Others
Protein ID: YP_009518793.1
Location: 1647620..1647850 (231 bp)
Type: Others
Protein ID: NP_416087.1
ToxinAntitoxinOther genes
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Locus tag
Coordinates
Strand
Size (bp)
Protein ID
Product
Description
b15521638455..1638667-213NP_416070.1cold shock-like protein CspI-
b15531639030..1639527-498NP_416071.1DUF2514 domain-containing protein RzpQ-
b46891639080..1639334-255YP_002791241.1putative lipoprotein RzoQ-
b15541639524..1640057-534NP_416072.1putative lysozyme-
b15551640054..1640365-312NP_416073.1protein YdfR-
b15561640370..1640585-216NP_416074.4putative prophage lysis protein EssQ-
b47761640805..1640975+171YP_010051186.1putative zinc-binding protein YnfU-
b15571641339..1641554-216NP_416075.1cold shock-like protein CspB-
b15581641855..1642067+213NP_416076.1cold shock-like protein CspF-
b47501642122..1642211+90YP_009518791.1protein YnfS-
b15591642489..1643241-753NP_416077.4putative antitermination protein Q-
b15601643255..1644304-1050NP_416078.4protein YdfU-
b15611644651..1644902-252NP_416079.1protein Rem-
b15621645119..1645274-156NP_416080.1toxic protein HokD-
b15631645346..1645633-288NP_416081.1mRNA interferase toxin RelEToxin
b15641645633..1645872-240NP_416082.1antitoxin/DNA-binding transcriptional repressor RelBAntitoxin
b15651645897..1646202+306NP_416083.1protein YdfV-
b15661646405..1646737+333NP_416084.1PF14282 family protein FlxA-
b15671647174..1647323-150YP_009518792.1protein YdfW-
b15681647346..1647636-291YP_009518793.1protein YdfX-
b15691647620..1647850-231NP_416087.1putative DNA-binding transcriptional regulator DicC-
b15701647934..1648341+408NP_416088.1DNA-binding transcriptional dual regulator DicA-
b15711648508..1648663+156NP_416089.1DUF1391 domain-containing protein YdfA-
b15721648665..1648793+129NP_416090.2uncharacterized protein YdfB-

Associated MGEs


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MGE
detail
Similar
MGEs
Relative
position
MGE Type
Cargo ARG
Virulence gene
Coordinates
Length (bp)
insideProphage--1631002..166446333461


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: 11225.22 Da        Isoelectric Point: 10.1967

>T1041 NP_416081.1 NC_000913:c1645633-1645346 [Escherichia coli str. K-12 substr. MG1655]
MAYFLDFDERALKEWRKLGSTVREQLKKKLVEVLESPRIEANKLRGMPDCYKIKLRSSGYRLVYQVIDEKVVVFVISVGK
RERSEVYSEAVKRIL

Download         Length: 288 bp

>T1041 NC_000913:c1645633-1645346 [Escherichia coli str. K-12 substr. MG1655]
ATGGCGTATTTTCTGGATTTTGACGAGCGGGCACTAAAGGAATGGCGAAAGCTGGGCTCGACGGTACGTGAACAGTTGAA
AAAGAAGCTGGTTGAAGTACTTGAGTCACCCCGGATTGAAGCAAACAAGCTCCGTGGTATGCCTGATTGTTACAAGATTA
AGCTCCGGTCTTCAGGCTATCGCCTTGTATACCAGGTTATAGACGAGAAAGTTGTCGTTTTCGTGATTTCTGTTGGGAAA
AGAGAACGCTCGGAAGTATATAGCGAGGCGGTCAAACGCATTCTCTGA

Antitoxin


Download         Length: 80 a.a.        Molecular weight: 9071.48 Da        Isoelectric Point: 4.5230

>AT1041 NP_416082.1 NC_000913:c1645872-1645633 [Escherichia coli str. K-12 substr. MG1655]
MGSINLRIDDELKARSYAALEKMGVTPSEALRLMLEYIADNERLPFKQTLLSDEDAELVEIVKERLRNPKPVRVTLDEL

Download         Length: 240 bp

>AT1041 NC_000913:c1645872-1645633 [Escherichia coli str. K-12 substr. MG1655]
ATGGGTAGCATTAACCTGCGTATTGACGATGAACTTAAAGCGCGTTCTTACGCCGCGCTTGAAAAAATGGGTGTAACTCC
TTCTGAAGCGCTTCGTCTCATGCTCGAGTATATCGCTGACAATGAACGCTTGCCGTTCAAACAGACACTCCTGAGTGATG
AAGATGCTGAACTTGTGGAGATAGTGAAAGAACGGCTTCGTAATCCTAAGCCAGTACGTGTGACGCTGGATGAACTCTGA

Similar Proteins


Only experimentally validated proteins are listed.

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Protein
Organism
Identities (%)
Coverage (%)
Ha-value
T10166Xenorhabdus nematophila ATCC 19061

58.065

98.936

0.574

T173Vibrio cholerae O1 biovar El Tor str. N16961

56.383

98.947

0.558

T6132Escherichia coli

54.255

98.947

0.537

T6131Escherichia coli

54.255

98.947

0.537

T175Vibrio cholerae O1 biovar El Tor str. N16961

51.064

98.947

0.505

T6130Erwinia pyrifoliae Ep1/96

50

98.947

0.495

T6023Xenorhabdus nematophila ATCC 19061

47.059

89.474

0.421

T10157Streptococcus suis SC84

33.684

100

0.36

Showing 1 to 8 of 8 rows

Multiple sequence alignment    


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Protein
Organism
Identities (%)
Coverage (%)
Ha-value
AT6023Xenorhabdus nematophila ATCC 19061

41.667

100

0.443

AT6097Sinorhizobium meliloti 1021

34.667

94.937

0.329

Showing 1 to 2 of 2 rows

Multiple sequence alignment    




Structures


Toxin

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Source
ID
Structure
PDB4FXI
PDB4FXH
PDB4V7K
PDB2KC9
PDB4FXE
PDB2KC8
PDB4V7J


Antitoxin

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Source
ID
Structure
PDB4FXE
PDB2KC8
PDB2K29
AlphaFold DBP0C079

References


(1) Tiffany M Halvorsen et al. (2022) Comparison of Kill Switch Toxins in Plant-Beneficial Pseudomonas fluorescens Reveals Drivers of Lethality, Stability, and Escape. ACS Synthetic Biology 11(11):3785-3796. [PubMed:36346907]

(2) Cyrielle I Kint et al. (2012) The Escherichia coli GTPase ObgE modulates hydroxyl radical levels in response to DNA replication fork arrest. The FEBS Journal 279(19):3692-3704. [PubMed:22863262] experimental

(3) Cajetan Neubauer et al. (2009) The structural basis for mRNA recognition and cleavage by the ribosome-dependent endonuclease RelE. Cell 139(6):1084-95. [PubMed:20005802] 3D_structure

(4) Vivek Anantharaman et al. (2003) New connections in the prokaryotic toxin-antitoxin network: relationship with the eukaryotic nonsense-mediated RNA decay system. Genome Biology 4(12):R81. [PubMed:14659018] in_silico


experimental experimental literature
in_silico in silico analysis literature
3D_structure protein structure literature