Detailed information of TA system TA066657

Bioinformatically predicted

Overview

TA module

• Type: II
• Classification (family/domain): chpSB/PRK09812-ChpS
• Location: 4892283..4892878
• Replicon: chromosome
• Accession: NZ_CP017440
• Organism: Escherichia coli O157:H7 strain 3384

Toxin (Protein)

• Gene name: chpB
• Uniprot ID: U9Y4M4
• Locus tag: A4C38_RS25135
• Protein ID: WP_000239579.1
• Coordinates: 4892283..4892633 (-)
• Length: 117 a.a.

Antitoxin (Protein)

• Gene name: chpS
• Uniprot ID: Q8XCF3
• Locus tag: A4C38_RS25140
• Protein ID: WP_001223210.1
• Coordinates: 4892627..4892878 (-)
• Length: 84 a.a.

Genomic Context

Locus tag	Coordinates	Strand	Size (bp)	Protein ID	Product	Description
A4C38_RS25115	4887729..4888751	-	1023	WP_001301928.1	ABC transporter permease	-
A4C38_RS25120	4888765..4890267	-	1503	WP_000205806.1	sugar ABC transporter ATP-binding protein	-
A4C38_RS25125	4890407..4891363	-	957	WP_000265942.1	galactofuranose ABC transporter substrate-binding protein YtfQ	-
A4C38_RS25130	4891673..4892203	+	531	WP_000055075.1	inorganic diphosphatase	-
A4C38_RS25135	4892283..4892633	-	351	WP_000239579.1	endoribonuclease toxin ChpB	Toxin
A4C38_RS25140	4892627..4892878	-	252	WP_001223210.1	type II toxin-antitoxin system antitoxin ChpS	Antitoxin
A4C38_RS25145	4893090..4893431	-	342	WP_001219160.1	gamma-glutamylcyclotransferase	-
A4C38_RS25150	4893434..4897213	-	3780	WP_000060930.1	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

>T66657 WP_000239579.1 NZ_CP017440:c4892633-4892283 [Escherichia coli O157:H7]
MVKKSEFERGDIVLVGFDPASGHEQQGAGRPALVLSVQAFNQLGMTLVAPITQGGNFARYAGFSVPLHCEEGDVHGVVLV
NQVRMMDLRARLAKRIGLAADEVVEEALLRLQAVVE

Nucleotide

• Length: 351 bp

>T66657 NZ_CP017440:c4892633-4892283 [Escherichia coli O157:H7]
ATGGTAAAGAAAAGTGAATTTGAACGGGGAGACATTGTGCTGGTTGGCTTTGATCCAGCAAGCGGCCATGAACAGCAAGG
TGCTGGTCGACCTGCGCTTGTGCTCTCCGTTCAAGCCTTTAATCAACTGGGAATGACGCTGGTGGCCCCCATTACGCAGG
GTGGAAATTTTGCCCGTTATGCCGGATTTAGCGTTCCTTTACATTGCGAAGAAGGCGATGTGCACGGCGTGGTGCTGGTT
AATCAGGTGCGGATGATGGATCTACGCGCCCGGCTGGCAAAGCGTATTGGTCTGGCTGCGGATGAGGTGGTGGAAGAGGC
GTTATTACGCTTGCAGGCGGTGGTGGAATAA

Antitoxin

Protein

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

>AT66657 WP_001223210.1 NZ_CP017440:c4892878-4892627 [Escherichia coli O157:H7]
MRITIKRWGNSAGMVIPNIVMKELNLQPGQSVEVQVSNNQLILTPISRRYSLDELLAQCDMNAAELSEQDVWGKSTPAGD
EIW

Nucleotide

• Length: 252 bp

>AT66657 NZ_CP017440:c4892878-4892627 [Escherichia coli O157:H7]
ATGCGTATTACCATAAAAAGATGGGGGAACAGTGCAGGTATGGTCATTCCCAATATCGTAATGAAAGAACTTAACTTACA
GCCGGGGCAGAGCGTGGAAGTGCAGGTGAGCAACAACCAACTGATTCTGACACCCATCTCCAGGCGCTACTCGCTTGATG
AACTGCTGGCACAGTGTGACATGAACGCCGCGGAACTTAGCGAGCAGGATGTCTGGGGTAAATCCACCCCTGCGGGTGAC
GAAATATGGTAA

Structures

Toxin

• AlphaFold DB: A0A0E0Y8A8