Detailed information of TA system TA176304

Bioinformatically predicted

Overview

TA module

• Type: II
• Classification (family/domain): chpSB/PRK09812-ChpS
• Location: 4976039..4976634
• Replicon: chromosome
• Accession: NZ_CP062761
• Organism: Escherichia coli O157:H7 strain Z887

Toxin (Protein)

• Gene name: chpB
• Uniprot ID: U9Y4M4
• Locus tag: ILQ37_RS24790
• Protein ID: WP_000239579.1
• Coordinates: 4976039..4976389 (-)
• Length: 117 a.a.

Antitoxin (Protein)

• Gene name: chpS
• Uniprot ID: Q8XCF3
• Locus tag: ILQ37_RS24795
• Protein ID: WP_001223210.1
• Coordinates: 4976383..4976634 (-)
• Length: 84 a.a.

Genomic Context

Locus tag	Coordinates	Strand	Size (bp)	Protein ID	Product	Description
ILQ37_RS24770	4971485..4972507	-	1023	WP_001301928.1	ABC transporter permease	-
ILQ37_RS24775	4972521..4974023	-	1503	WP_000205806.1	sugar ABC transporter ATP-binding protein	-
ILQ37_RS24780	4974163..4975119	-	957	WP_000265942.1	galactofuranose ABC transporter substrate-binding protein YtfQ	-
ILQ37_RS24785	4975429..4975959	+	531	WP_000055075.1	inorganic diphosphatase	-
ILQ37_RS24790	4976039..4976389	-	351	WP_000239579.1	endoribonuclease toxin ChpB	Toxin
ILQ37_RS24795	4976383..4976634	-	252	WP_001223210.1	type II toxin-antitoxin system antitoxin ChpS	Antitoxin
ILQ37_RS24800	4976846..4977187	-	342	WP_001219160.1	gamma-glutamylcyclotransferase	-
ILQ37_RS24805	4977190..4980969	-	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

>T176304 WP_000239579.1 NZ_CP062761:c4976389-4976039 [Escherichia coli O157:H7]
MVKKSEFERGDIVLVGFDPASGHEQQGAGRPALVLSVQAFNQLGMTLVAPITQGGNFARYAGFSVPLHCEEGDVHGVVLV
NQVRMMDLRARLAKRIGLAADEVVEEALLRLQAVVE

Nucleotide

• Length: 351 bp

>T176304 NZ_CP082776:3984942-3985319 [Escherichia coli O4:H5]
ATGAAAACATTACCTGTATTACCCGGGCAGGCGGCCAGTTCTCGCCCGTCTCCTGTTGAAATCTGGCAGATACTTCTGTC
CCGACTGCTGGACCAGCACTACGGCCTCACACTGAATGACACACCGTTTGCCGATGAACGTGTGATCGAGCAGCATATTG
AGGCAGGCATTTCACTGTGTGATGCGGTGAACTTTCTCGTGGAAAAATACGCGCTGGTGCGTACCGACCAGCCGGGATTC
AGCGCCTGTACCCGCTCTCAGTTAATAAACAGCATCGATATCCTCCGGGCTCGCAGGGCGACCGGCCTGATGACCCGCGA
CAATTACAGAACGGTAAATAATATTATCCTGGGTAAGCACCCGGAGGTGAAACAATGA

Antitoxin

Protein

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

>AT176304 WP_001223210.1 NZ_CP062761:c4976634-4976383 [Escherichia coli O157:H7]
MRITIKRWGNSAGMVIPNIVMKELNLQPGQSVEVQVSNNQLILTPISRRYSLDELLAQCDMNAAELSEQDVWGKSTPAGD
EIW

Nucleotide

• Length: 252 bp

>AT176304 NZ_CP082776:3984485-3984853 [Escherichia coli O4:H5]
GTGTCAGACACACTCCCCGGGACAACACTTCCCGACGACAATCACGACCGCCCCTGGTGGGGGCTGCCCTGCACCGTGAC
GCCCTGTTTCGGGGCACGTCTGGTGCAGGAGGGTAACCGGTTGCATTACCTTGCCGACCGCGCCGGTATCAGAGGCCTGT
ACAGCAATGCAGATGCGTACCACCTGGACCAGGCCTTTCCGCTGCTGATGAAACAACTGGAACTCATGCTCACCAGCGGT
GAACTGAATCCCCGCCATCAGCATACCGTCACGCTGTATGCAAAAGGGCTGACCTGCAAAGCCGATACCCTCAGCAGTTG
TGGTTACGTTTATCTGGCTGTTTATCCGACGCCCGAAATGAAAAATTAA

Structures

Toxin

• AlphaFold DB: A0A0E0Y8A8