Detailed information of TA system    

insolicoBioinformatically predicted

Overview

TA module


Type II Classification (family/domain) mqsRA (relBE)/MqsR-MqsA
Location 3918463..3919156 Replicon chromosome
Accession NZ_CP010440
Organism Escherichia coli K-12 strain K-12 MG1655

Toxin (Protein)


Gene name mqsR Uniprot ID S1EZG2
Locus tag SH08_RS19365 Protein ID WP_000415584.1
Coordinates 3918860..3919156 (-) Length 99 a.a.

Antitoxin (Protein)


Gene name mqsA Uniprot ID S1EBV2
Locus tag SH08_RS19360 Protein ID WP_000650107.1
Coordinates 3918463..3918858 (-) Length 132 a.a.

Genomic Context

Locus tag Coordinates Strand Size (bp) Protein ID Product Description
SH08_RS19350 3914328..3916585 - 2258 Protein_3663 DNA topoisomerase IV subunit A -
SH08_RS19355 3916723..3918330 - 1608 WP_001295629.1 ABC transporter substrate-binding protein -
SH08_RS19360 3918463..3918858 - 396 WP_000650107.1 type II toxin-antitoxin system antitoxin MqsA Antitoxin
SH08_RS19365 3918860..3919156 - 297 WP_000415584.1 type II toxin-antitoxin system toxin MqsR Toxin
SH08_RS19370 3919361..3919843 - 483 WP_000183505.1 transcriptional regulator -
SH08_RS19375 3919896..3920288 - 393 WP_000712658.1 OB fold stress tolerance protein YgiW -
SH08_RS19380 3920440..3921099 + 660 WP_001221495.1 two-component system response regulator QseB -
SH08_RS19385 3921096..3922445 + 1350 WP_000673402.1 two-component system sensor histidine kinase QseC -
SH08_RS19390 3922491..3922823 - 333 WP_000917684.1 DUF2645 family protein -
SH08_RS19395 3923142..3923723 + 582 WP_000065430.1 NADPH:quinone oxidoreductase MdaB -
SH08_RS19400 3923754..3924068 + 315 WP_000958598.1 antibiotic biosynthesis monooxygenase -

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.


Domains

Predicted by InterproScan

Toxin

mRNA interferase toxin MqsR

(5-97)

Antitoxin

Zinc finger, MqsA-type

(3-47)


Sequences

Toxin        


Download         Length: 99 a.a.        Molecular weight: 11231.96 Da        Isoelectric Point: 8.9070

>T52522 WP_000415584.1 NZ_CP010440:c3919156-3918860 [Escherichia coli K-12]
MEKRTPHTRLSQVKKLVNAGQVRTTRSALLNADELGLDFDGMCNVIIGLSESDFYKSMTTYSDHTIWQDVYRPRLVTGQV
YLKITVIHDVLIVSFKEK

Download         Length: 297 bp

>T52522 NZ_CP010440:c3919156-3918860 [Escherichia coli K-12]
ATGGAAAAACGCACACCACATACACGTTTGAGTCAGGTTAAAAAACTTGTCAATGCCGGGCAAGTTCGTACAACACGTAG
TGCCCTGTTAAATGCAGATGAGTTAGGTTTGGATTTTGATGGTATGTGTAATGTTATCATTGGATTATCAGAGAGCGACT
TTTATAAAAGCATGACCACCTACTCTGATCATACTATCTGGCAGGATGTTTACAGACCCAGGCTTGTTACAGGCCAGGTT
TATCTTAAAATTACGGTAATTCATGACGTACTGATCGTCTCGTTTAAGGAGAAGTAA

Antitoxin


Download         Length: 132 a.a.        Molecular weight: 14703.10 Da        Isoelectric Point: 9.2136

>AT52522 WP_000650107.1 NZ_CP010440:c3918858-3918463 [Escherichia coli K-12]
MKCPVCHQGEMVSGIKDIPYTFRGRKTVLKGIHGLYCVHCEESIMNKEESDAFMAQVKAFRASVNAETVAPEFIVKVRKK
LSLTQKEASEIFGGGVNAFSRYEKGNAQPHPSTIKLLRVLDKHPELLNEIR

Download         Length: 396 bp

>AT52522 NZ_CP010440:c3918858-3918463 [Escherichia coli K-12]
ATGAAATGTCCGGTTTGCCACCAGGGAGAAATGGTTTCTGGCATTAAAGATATTCCATACACCTTCCGTGGACGAAAAAC
AGTATTGAAAGGTATCCACGGTTTATATTGTGTCCATTGCGAAGAGAGCATCATGAATAAAGAAGAGTCAGATGCTTTCA
TGGCGCAAGTAAAGGCATTTCGGGCTTCGGTGAATGCCGAAACAGTGGCACCTGAATTTATAGTGAAGGTTCGAAAAAAG
CTCTCTCTTACCCAAAAAGAGGCAAGCGAAATTTTTGGGGGAGGTGTAAATGCGTTTTCGCGTTACGAAAAAGGCAATGC
CCAACCTCATCCTTCCACAATCAAACTTTTACGTGTTCTGGATAAGCATCCAGAACTATTGAATGAAATCCGTTAA

Similar Proteins

Only experimentally validated proteins are listed.

Protein Organism Identities (%) Coverage (%) Ha-value
Protein Organism Identities (%) Coverage (%) Ha-value

Structures

Toxin

Source ID Structure
PDB 3HI2

Antitoxin

Source ID Structure
PDB 3HI2
PDB 3GA8
PDB 3O9X
PDB 2KZ8
PDB 3FMY
PDB 3GN5
AlphaFold DB A0A7U9LU65

References