Detailed information of TA system TA121794

Bioinformatically predicted

Overview

TA module

• Type: II
• Classification (family/domain): chpSB/PRK09812-ChpS
• Location: 4853540..4854135
• Replicon: chromosome
• Accession: NZ_CP038349
• Organism: Escherichia coli O157:H7 strain F8952

Toxin (Protein)

• Gene name: chpB
• Uniprot ID: U9Y4M4
• Locus tag: E4U62_RS23995
• Protein ID: WP_000239579.1
• Coordinates: 4853540..4853890 (-)
• Length: 117 a.a.

Antitoxin (Protein)

• Gene name: chpS
• Uniprot ID: Q8XCF3
• Locus tag: E4U62_RS24000
• Protein ID: WP_001223210.1
• Coordinates: 4853884..4854135 (-)
• Length: 84 a.a.

Genomic Context

Locus tag	Coordinates	Strand	Size (bp)	Protein ID	Product	Description
E4U62_RS23975	4848986..4850008	-	1023	WP_001301928.1	ABC transporter permease	-
E4U62_RS23980	4850022..4851524	-	1503	WP_000205806.1	sugar ABC transporter ATP-binding protein	-
E4U62_RS23985	4851664..4852620	-	957	WP_000265942.1	galactofuranose ABC transporter substrate-binding protein YtfQ	-
E4U62_RS23990	4852930..4853460	+	531	WP_000055075.1	inorganic diphosphatase	-
E4U62_RS23995	4853540..4853890	-	351	WP_000239579.1	endoribonuclease toxin ChpB	Toxin
E4U62_RS24000	4853884..4854135	-	252	WP_001223210.1	type II toxin-antitoxin system antitoxin ChpS	Antitoxin
E4U62_RS24005	4854347..4854688	-	342	WP_001219160.1	gamma-glutamylcyclotransferase	-
E4U62_RS24010	4854691..4858470	-	3780	WP_171877411.1	autotransporter assembly complex protein TamB	-

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

>T121794 WP_000239579.1 NZ_CP038349:c4853890-4853540 [Escherichia coli O157:H7]
MVKKSEFERGDIVLVGFDPASGHEQQGAGRPALVLSVQAFNQLGMTLVAPITQGGNFARYAGFSVPLHCEEGDVHGVVLV
NQVRMMDLRARLAKRIGLAADEVVEEALLRLQAVVE

Nucleotide

• Length: 351 bp

>T121794 NZ_CP038349:c4853890-4853540 [Escherichia coli O157:H7]
ATGGTAAAGAAAAGTGAATTTGAACGGGGAGACATTGTGCTGGTTGGCTTTGATCCAGCAAGCGGCCATGAACAGCAAGG
TGCTGGTCGACCTGCGCTTGTGCTCTCCGTTCAAGCCTTTAATCAACTGGGAATGACGCTGGTGGCCCCCATTACGCAGG
GTGGAAATTTTGCCCGTTATGCCGGATTTAGCGTTCCTTTACATTGCGAAGAAGGCGATGTGCACGGCGTGGTGCTGGTT
AATCAGGTGCGGATGATGGATCTACGCGCCCGGCTGGCAAAGCGTATTGGTCTGGCTGCGGATGAGGTGGTGGAAGAGGC
GTTATTACGCTTGCAGGCGGTGGTGGAATAA

Antitoxin

Protein

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

>AT121794 WP_001223210.1 NZ_CP038349:c4854135-4853884 [Escherichia coli O157:H7]
MRITIKRWGNSAGMVIPNIVMKELNLQPGQSVEVQVSNNQLILTPISRRYSLDELLAQCDMNAAELSEQDVWGKSTPAGD
EIW

Nucleotide

• Length: 252 bp

>AT121794 NZ_CP038349:c4854135-4853884 [Escherichia coli O157:H7]
ATGCGTATTACCATAAAAAGATGGGGGAACAGTGCAGGTATGGTCATTCCCAATATCGTAATGAAAGAACTTAACTTACA
GCCGGGGCAGAGCGTGGAAGTGCAGGTGAGCAACAACCAACTGATTCTGACACCCATCTCCAGGCGCTACTCGCTTGATG
AACTGCTGGCACAGTGTGACATGAACGCCGCGGAACTTAGCGAGCAGGATGTCTGGGGTAAATCCACCCCTGCGGGTGAC
GAAATATGGTAA

Structures

Toxin

• AlphaFold DB: A0A0E0Y8A8