Detailed information of TA system TA176491

Bioinformatically predicted

Overview

TA module

• Type: II
• Classification (family/domain): ataRT/DUF1778(antitoxin)
• Location: 396124..396924
• Replicon: chromosome
• Accession: NZ_CP062778
• Organism: Escherichia coli O157:H7 strain Z1836

Toxin (Protein)

• Gene name: ataT
• Uniprot ID: A0A891SNC1
• Locus tag: ILQ64_RS01870
• Protein ID: WP_000342448.1
• Coordinates: 396397..396924 (+)
• Length: 176 a.a.

Antitoxin (Protein)

• Gene name: ataR
• Uniprot ID: F4NNI1
• Locus tag: ILQ64_RS01865
• Protein ID: WP_001277108.1
• Coordinates: 396124..396390 (+)
• Length: 89 a.a.

Genomic Context

Locus tag	Coordinates	Strand	Size (bp)	Protein ID	Product	Description
ILQ64_RS01845	391782..392450	+	669	WP_000617723.1	cell division ATP-binding protein FtsE	-
ILQ64_RS01850	392443..393501	+	1059	WP_001042003.1	permease-like cell division protein FtsX	-
ILQ64_RS01855	393746..394600	+	855	WP_000130217.1	RNA polymerase sigma factor RpoH	-
ILQ64_RS01860	394871..395974	+	1104	WP_001021996.1	branched chain amino acid ABC transporter substrate-binding protein LivJ	-
ILQ64_RS01865	396124..396390	+	267	WP_001277108.1	DUF1778 domain-containing protein	Antitoxin
ILQ64_RS01870	396397..396924	+	528	WP_000342448.1	GNAT family N-acetyltransferase	Toxin
ILQ64_RS01875	396921..397304	-	384	WP_000778769.1	aspartate 1-decarboxylase autocleavage activator PanM	-
ILQ64_RS01880	397728..398837	+	1110	WP_001301528.1	high-affinity branched-chain amino acid ABC transporter substrate-binding protein LivK	-
ILQ64_RS01885	398885..399811	+	927	WP_001295111.1	high-affinity branched-chain amino acid ABC transporter permease LivH	-
ILQ64_RS01890	399808..401085	+	1278	WP_000803797.1	branched chain amino acid ABC transporter permease LivM	-
ILQ64_RS01895	401082..401849	+	768	WP_000082101.1	high-affinity branched-chain amino acid ABC transporter ATP-binding protein LivG	-

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

• GNAT domain (88-150)

Antitoxin

• Vibrio phage ICP1, Orf50 (8-86)

Sequences

Toxin

Protein

• Length: 176 a.a.
• Molecular weight: 19692.68 Da
• Isoelectric Point: 7.3232

>T176491 WP_000342448.1 NZ_CP062778:396397-396924 [Escherichia coli O157:H7]
MDDLTIEILTDDADYDLQRFDCGEEALNLFLTTHLVRQHRNKILRAYILCRNTPERQVLGYYTLCGSCFERAALPSKSKQ
KKIPYKNIPSVTLGRLAIDRSLQGQGWGATLVAHAMKVVWSASLAVGIHGLFVEALNEKAHTFYKSLGFIPLVGENENAL
FFPTKSIELLFTQSD

Nucleotide

• Length: 528 bp

>T176491 NZ_CP082824:c3686436-3686134 [Escherichia coli]
ATGGCTCAAAAGAAAAATATAAGGAGTTTTCGTGATGCCTGGTTGGCTGATTTTTTTGTCCATTCAACGCCACATCGAAA
GATCCCTGCTGAAATCCATACCACGTTATCACGAAAGTTGGACATCATTAATGCTGCCACTTCTCATCGGGATTTACGCT
CCCCTCCGGGGAACCGATACGAAGAGTTATCCGGGAAATTACAGGAATACTCCTCCATTAGAGTGAATAAACAGTACCGA
CTGATTTTTAAATGGGTTAATGGCAAGGCCGAAGAATTGTTTTTAGACCCACACAACTACTAA

Antitoxin

Protein

• Length: 89 a.a.
• Molecular weight: 9910.31 Da
• Isoelectric Point: 10.0863

>AT176491 WP_001277108.1 NZ_CP062778:396124-396390 [Escherichia coli O157:H7]
MSAVKKQRIDLRLTDDDKSMIEEAAAISNQSVSQFMLNSASQRAAEVIEQHRRVILNEESWTRVMDALSNPPSPGEKLKR
AAKRLQGM

Nucleotide

• Length: 267 bp

>AT176491 NZ_CP082824:c3686098-3685757 [Escherichia coli]
ATGAAACAGGCAACAAGAAAACCGACGACACCCGGAGATATTCTTCTCTATGAATATCTGGAACCGCTCGATTTGAAAAT
CAATGAGTTAGCAGAGTTGCTGCATGTTCATCGTAATAGCGTCAGTGCACTGATCAATAACAATCGTAAACTCACCACTG
AGATGGCATTCCGTCTGGCGAAAGTTTTTGATACCACAGTCGATTTTTGGCTAAACCTCCAGGCGGCAGTTGATCTTTGG
GAAGTTGAAAACAACATGCGTACCCAGGAAGAATTGGGACGGATTGAAACAGTGGCTGAATATTTGGCACGCCGTGAAGA
GCGTGCAAAAAAGGTCGCGTAG

Structures

Toxin

• PDB: 6GTS

Antitoxin

• PDB: 6GTS
• PDB: 6AJN
• PDB: 6GTQ
• PDB: 6GTO
• PDB: 6GTR
• PDB: 6AJM
• AlphaFold DB: A0A829CN24