Detailed information of TA system TA078703

Bioinformatically predicted

Overview

TA module

• Type: II
• Classification (family/domain): chpSB/PRK09812-ChpS
• Location: 2650485..2651080
• Replicon: chromosome
• Accession: NZ_CP022229
• Organism: Escherichia coli strain WCHEC96200

Toxin (Protein)

• Gene name: chpB
• Uniprot ID: V0SXT4
• Locus tag: DBR04_RS14845
• Protein ID: WP_000239581.1
• Coordinates: 2650730..2651080 (+)
• Length: 117 a.a.

Antitoxin (Protein)

• Gene name: chpS
• Uniprot ID: L4JJX7
• Locus tag: DBR04_RS14840
• Protein ID: WP_001223213.1
• Coordinates: 2650485..2650736 (+)
• Length: 84 a.a.

Genomic Context

Locus tag	Coordinates	Strand	Size (bp)	Protein ID	Product	Description
DBR04_RS14830	2646150..2649929	+	3780	WP_001522396.1	autotransporter assembly complex protein TamB	-
DBR04_RS14835	2649932..2650273	+	342	WP_001219160.1	gamma-glutamylcyclotransferase	-
DBR04_RS14840	2650485..2650736	+	252	WP_001223213.1	type II toxin-antitoxin system antitoxin ChpS	Antitoxin
DBR04_RS14845	2650730..2651080	+	351	WP_000239581.1	endoribonuclease toxin ChpB	Toxin
DBR04_RS14850	2651159..2651689	-	531	WP_000055075.1	inorganic diphosphatase	-
DBR04_RS14855	2651999..2652955	+	957	WP_001522398.1	galactofuranose ABC transporter substrate-binding protein YtfQ	-
DBR04_RS14860	2653088..2654590	+	1503	WP_001522399.1	sugar ABC transporter ATP-binding protein	-
DBR04_RS14865	2654604..2655626	+	1023	WP_001361374.1	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: 12453.41 Da
• Isoelectric Point: 6.2206

>T78703 WP_000239581.1 NZ_CP022229:2650730-2651080 [Escherichia coli]
MVKKSEFERGDIVLVGFDPASGHEQQGAGRPALVLSVQAFNQLGMTLVAPITQGGNFARYAGFSVPLHCEEGDVHGVVLV
NQVRMMDLRARLAKRIGLAAGEVVEEALLRLQAVVE

Nucleotide

• Length: 351 bp

>T78703 NZ_CP022229:2650730-2651080 [Escherichia coli]
ATGGTAAAGAAAAGTGAATTTGAACGGGGAGACATTGTGCTGGTTGGCTTTGATCCAGCAAGCGGCCATGAACAGCAAGG
TGCTGGTCGACCTGCGCTTGTGCTCTCCGTTCAAGCCTTTAATCAACTGGGAATGACGCTGGTGGCCCCCATTACGCAGG
GCGGAAATTTTGCCCGTTATGCCGGATTTAGCGTTCCTTTACATTGCGAAGAAGGCGATGTGCACGGCGTGGTGCTGGTG
AATCAGGTGCGGATGATGGATCTACGCGCCCGGCTGGCAAAGCGTATTGGTCTGGCTGCGGGTGAGGTGGTGGAAGAGGC
GTTATTACGTTTGCAGGCGGTGGTGGAATAA

Antitoxin

Protein

• Length: 84 a.a.
• Molecular weight: 9331.64 Da
• Isoelectric Point: 4.6509

>AT78703 WP_001223213.1 NZ_CP022229:2650485-2650736 [Escherichia coli]
MRITIKRWGNSSGMVIPNVVMKELNLRPGQSVEAQVSNNQLILTPISRRYSLDELLAQCDMNATELSEQDVWGKSTPAGD
EIW

Nucleotide

• Length: 252 bp

>AT78703 NZ_CP022229:2650485-2650736 [Escherichia coli]
ATGCGTATTACCATAAAAAGATGGGGGAACAGTTCAGGTATGGTCATTCCTAATGTTGTGATGAAAGAACTTAACTTACG
GCCGGGGCAGAGCGTGGAGGCGCAAGTGAGCAACAATCAACTGATTCTGACACCCATCTCCAGGCGCTACTCGCTTGATG
AACTGCTGGCACAGTGTGACATGAACGCCACGGAACTTAGCGAGCAGGATGTCTGGGGTAAATCCACCCCTGCGGGTGAC
GAAATATGGTAA

Structures

Toxin

• AlphaFold DB: V0SXT4

Antitoxin

• AlphaFold DB: L4JJX7