Detailed information of TA system TA054075

Bioinformatically predicted

Overview

TA module

• Type: II
• Classification (family/domain): mqsRA (relBE)/MqsR-MqsA
• Location: 3143668..3144361
• Replicon: chromosome
• Accession: NZ_CP011342
• Organism: Escherichia coli K-12 substr. GM4792

Toxin (Protein)

• Gene name: mqsR
• Uniprot ID: S1EZG2
• Locus tag: U068_RS15575
• Protein ID: WP_000415584.1
• Coordinates: 3144065..3144361 (-)
• Length: 99 a.a.

Antitoxin (Protein)

• Gene name: mqsA
• Uniprot ID: S1EBV2
• Locus tag: U068_RS15570
• Protein ID: WP_000650107.1
• Coordinates: 3143668..3144063 (-)
• Length: 132 a.a.

Genomic Context

Locus tag	Coordinates	Strand	Size (bp)	Protein ID	Product	Description
U068_RS15560	3139532..3141790	-	2259	WP_001281881.1	DNA topoisomerase IV subunit A	-
U068_RS15565	3141928..3143535	-	1608	WP_001295629.1	ABC transporter substrate-binding protein	-
U068_RS15570	3143668..3144063	-	396	WP_000650107.1	type II toxin-antitoxin system antitoxin MqsA	Antitoxin
U068_RS15575	3144065..3144361	-	297	WP_000415584.1	type II toxin-antitoxin system toxin MqsR	Toxin
U068_RS15580	3144566..3145048	-	483	WP_000183505.1	transcriptional regulator	-
U068_RS15585	3145101..3145493	-	393	WP_000712658.1	OB fold stress tolerance protein YgiW	-
U068_RS15590	3145645..3146304	+	660	WP_001221495.1	two-component system response regulator QseB	-
U068_RS15595	3146301..3147650	+	1350	WP_000673402.1	two-component system sensor histidine kinase QseC	-
U068_RS15600	3147696..3148028	-	333	WP_000917684.1	DUF2645 family protein	-
U068_RS15605	3148347..3148928	+	582	WP_000065430.1	NADPH:quinone oxidoreductase MdaB	-
U068_RS15610	3148959..3149273	+	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

Protein

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

>T54075 WP_000415584.1 NZ_CP011342:c3144361-3144065 [Escherichia coli K-12]
MEKRTPHTRLSQVKKLVNAGQVRTTRSALLNADELGLDFDGMCNVIIGLSESDFYKSMTTYSDHTIWQDVYRPRLVTGQV
YLKITVIHDVLIVSFKEK

Nucleotide

• Length: 297 bp

>T54075 NZ_CP011342:c3144361-3144065 [Escherichia coli K-12]
ATGGAAAAACGCACACCACATACACGTTTGAGTCAGGTTAAAAAACTTGTCAATGCCGGGCAAGTTCGTACAACACGTAG
TGCCCTGTTAAATGCAGATGAGTTAGGTTTGGATTTTGATGGTATGTGTAATGTTATCATTGGATTATCAGAGAGCGACT
TTTATAAAAGCATGACCACCTACTCTGATCATACTATCTGGCAGGATGTTTACAGACCCAGGCTTGTTACAGGCCAGGTT
TATCTTAAAATTACGGTAATTCATGACGTACTGATCGTCTCGTTTAAGGAGAAGTAA

Antitoxin

Protein

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

>AT54075 WP_000650107.1 NZ_CP011342:c3144063-3143668 [Escherichia coli K-12]
MKCPVCHQGEMVSGIKDIPYTFRGRKTVLKGIHGLYCVHCEESIMNKEESDAFMAQVKAFRASVNAETVAPEFIVKVRKK
LSLTQKEASEIFGGGVNAFSRYEKGNAQPHPSTIKLLRVLDKHPELLNEIR

Nucleotide

• Length: 396 bp

>AT54075 NZ_CP011342:c3144063-3143668 [Escherichia coli K-12]
ATGAAATGTCCGGTTTGCCACCAGGGAGAAATGGTTTCTGGCATTAAAGATATTCCATACACCTTCCGTGGACGAAAAAC
AGTATTGAAAGGTATCCACGGTTTATATTGTGTCCATTGCGAAGAGAGCATCATGAATAAAGAAGAGTCAGATGCTTTCA
TGGCGCAAGTAAAGGCATTTCGGGCTTCGGTGAATGCCGAAACAGTGGCACCTGAATTTATAGTGAAGGTTCGAAAAAAG
CTCTCTCTTACCCAAAAAGAGGCAAGCGAAATTTTTGGGGGAGGTGTAAATGCGTTTTCGCGTTACGAAAAAGGCAATGC
CCAACCTCATCCTTCCACAATCAAACTTTTACGTGTTCTGGATAAGCATCCAGAACTATTGAATGAAATCCGTTAA

Structures

Toxin

• PDB: 3HI2

Antitoxin

• AlphaFold DB: A0A7U9LU65