Detailed information of TA system    

insolicoBioinformatically predicted

Overview


TA module


Type II Classification (family/domain) mqsRA (relBE)/MqsR-MqsA
Location 1473112..1473805 Replicon chromosome
Accession NZ_CP012870
Organism Escherichia coli strain K-12 substr. MG1655_TMP32XR2

Toxin (Protein)


Gene name mqsR Uniprot ID S1EZG2
Locus tag QR63_RS07270 Protein ID WP_000415584.1
Coordinates 1473112..1473408 (+) Length 99 a.a.

Antitoxin (Protein)


Gene name mqsA Uniprot ID S1EBV2
Locus tag QR63_RS07275 Protein ID WP_000650107.1
Coordinates 1473410..1473805 (+) Length 132 a.a.

Genomic Context


Locus tag Coordinates Strand Size (bp) Protein ID Product Description
QR63_RS07235 1468200..1468514 - 315 WP_000958598.1 antibiotic biosynthesis monooxygenase -
QR63_RS07240 1468545..1469126 - 582 WP_000065430.1 NADPH:quinone oxidoreductase MdaB -
QR63_RS07245 1469445..1469777 + 333 WP_000917684.1 DUF2645 family protein -
QR63_RS07250 1469823..1471172 - 1350 WP_000673402.1 two-component system sensor histidine kinase QseC -
QR63_RS07255 1471169..1471828 - 660 WP_001221495.1 two-component system response regulator QseB -
QR63_RS07260 1471980..1472372 + 393 WP_000712658.1 OB fold stress tolerance protein YgiW -
QR63_RS07265 1472425..1472907 + 483 WP_000183505.1 transcriptional regulator -
QR63_RS07270 1473112..1473408 + 297 WP_000415584.1 type II toxin-antitoxin system toxin MqsR Toxin
QR63_RS07275 1473410..1473805 + 396 WP_000650107.1 type II toxin-antitoxin system antitoxin MqsA Antitoxin
QR63_RS07280 1473938..1475545 + 1608 WP_001295629.1 ABC transporter substrate-binding protein -
QR63_RS07285 1475683..1477941 + 2259 WP_001281881.1 DNA topoisomerase IV subunit A -

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

(5-97)

Antitoxin

(3-47)


Sequences


Toxin        


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

>T57355 WP_000415584.1 NZ_CP012870:1473112-1473408 [Escherichia coli]
MEKRTPHTRLSQVKKLVNAGQVRTTRSALLNADELGLDFDGMCNVIIGLSESDFYKSMTTYSDHTIWQDVYRPRLVTGQV
YLKITVIHDVLIVSFKEK

Download         Length: 297 bp

>T57355 NZ_CP012870:1473112-1473408 [Escherichia coli]
ATGGAAAAACGCACACCACATACACGTTTGAGTCAGGTTAAAAAACTTGTCAATGCCGGGCAAGTTCGTACAACACGTAG
TGCCCTGTTAAATGCAGATGAGTTAGGTTTGGATTTTGATGGTATGTGTAATGTTATCATTGGATTATCAGAGAGCGACT
TTTATAAAAGCATGACCACCTACTCTGATCATACTATCTGGCAGGATGTTTACAGACCCAGGCTTGTTACAGGCCAGGTT
TATCTTAAAATTACGGTAATTCATGACGTACTGATCGTCTCGTTTAAGGAGAAGTAA

Antitoxin


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

>AT57355 WP_000650107.1 NZ_CP012870:1473410-1473805 [Escherichia coli]
MKCPVCHQGEMVSGIKDIPYTFRGRKTVLKGIHGLYCVHCEESIMNKEESDAFMAQVKAFRASVNAETVAPEFIVKVRKK
LSLTQKEASEIFGGGVNAFSRYEKGNAQPHPSTIKLLRVLDKHPELLNEIR

Download         Length: 396 bp

>AT57355 NZ_CP012870:1473410-1473805 [Escherichia coli]
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