Detailed information of TA system TA122781

Bioinformatically predicted

Overview

TA module

• Type: II
• Classification (family/domain): chpSB/PRK09812-ChpS
• Location: 4979311..4979906
• Replicon: chromosome
• Accession: NZ_CP038428
• Organism: Escherichia coli O157:H7 strain 611

Toxin (Protein)

• Gene name: chpB
• Uniprot ID: U9Y4M4
• Locus tag: E3149_RS24880
• Protein ID: WP_000239579.1
• Coordinates: 4979556..4979906 (+)
• Length: 117 a.a.

Antitoxin (Protein)

• Gene name: chpS
• Uniprot ID: Q8XCF3
• Locus tag: E3149_RS24875
• Protein ID: WP_001223210.1
• Coordinates: 4979311..4979562 (+)
• Length: 84 a.a.

Genomic Context

Locus tag	Coordinates	Strand	Size (bp)	Protein ID	Product	Description
E3149_RS24865	4974976..4978755	+	3780	WP_000060930.1	autotransporter assembly complex protein TamB	-
E3149_RS24870	4978758..4979099	+	342	WP_001219160.1	gamma-glutamylcyclotransferase	-
E3149_RS24875	4979311..4979562	+	252	WP_001223210.1	type II toxin-antitoxin system antitoxin ChpS	Antitoxin
E3149_RS24880	4979556..4979906	+	351	WP_000239579.1	endoribonuclease toxin ChpB	Toxin
E3149_RS24885	4979986..4980516	-	531	WP_000055075.1	inorganic diphosphatase	-
E3149_RS24890	4980826..4981782	+	957	WP_000265942.1	galactofuranose ABC transporter substrate-binding protein YtfQ	-
E3149_RS24895	4981922..4983424	+	1503	WP_000205806.1	sugar ABC transporter ATP-binding protein	-
E3149_RS24900	4983438..4984460	+	1023	WP_001301928.1	ABC transporter permease	-

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 PemK-like (8-114)

Antitoxin

• SpoVT-AbrB domain (6-49)

Sequences

Toxin

Protein

• Length: 117 a.a.
• Molecular weight: 12511.45 Da
• Isoelectric Point: 5.6219

>T122781 WP_000239579.1 NZ_CP038428:4979556-4979906 [Escherichia coli O157:H7]
MVKKSEFERGDIVLVGFDPASGHEQQGAGRPALVLSVQAFNQLGMTLVAPITQGGNFARYAGFSVPLHCEEGDVHGVVLV
NQVRMMDLRARLAKRIGLAADEVVEEALLRLQAVVE

Nucleotide

• Length: 351 bp

>T122781 NZ_CP038428:4979556-4979906 [Escherichia coli O157:H7]
ATGGTAAAGAAAAGTGAATTTGAACGGGGAGACATTGTGCTGGTTGGCTTTGATCCAGCAAGCGGCCATGAACAGCAAGG
TGCTGGTCGACCTGCGCTTGTGCTCTCCGTTCAAGCCTTTAATCAACTGGGAATGACGCTGGTGGCCCCCATTACGCAGG
GTGGAAATTTTGCCCGTTATGCCGGATTTAGCGTTCCTTTACATTGCGAAGAAGGCGATGTGCACGGCGTGGTGCTGGTT
AATCAGGTGCGGATGATGGATCTACGCGCCCGGCTGGCAAAGCGTATTGGTCTGGCTGCGGATGAGGTGGTGGAAGAGGC
GTTATTACGCTTGCAGGCGGTGGTGGAATAA

Antitoxin

Protein

• Length: 84 a.a.
• Molecular weight: 9299.64 Da
• Isoelectric Point: 4.4201

>AT122781 WP_001223210.1 NZ_CP038428:4979311-4979562 [Escherichia coli O157:H7]
MRITIKRWGNSAGMVIPNIVMKELNLQPGQSVEVQVSNNQLILTPISRRYSLDELLAQCDMNAAELSEQDVWGKSTPAGD
EIW

Nucleotide

• Length: 252 bp

>AT122781 NZ_CP038428:4979311-4979562 [Escherichia coli O157:H7]
ATGCGTATTACCATAAAAAGATGGGGGAACAGTGCAGGTATGGTCATTCCCAATATCGTAATGAAAGAACTTAACTTACA
GCCGGGGCAGAGCGTGGAAGTGCAGGTGAGCAACAACCAACTGATTCTGACACCCATCTCCAGGCGCTACTCGCTTGATG
AACTGCTGGCACAGTGTGACATGAACGCCGCGGAACTTAGCGAGCAGGATGTCTGGGGTAAATCCACCCCTGCGGGTGAC
GAAATATGGTAA

Structures

Toxin

• AlphaFold DB: A0A0E0Y8A8