Detailed information of TA system TA115826

Bioinformatically predicted

Overview

TA module

• Type: II
• Classification (family/domain): ataRT/DUF1778(antitoxin)
• Location: 4411371..4412171
• Replicon: chromosome
• Accession: NZ_CP034384
• Organism: Escherichia coli O157:H7 strain FRIK804

Toxin (Protein)

• Gene name: ataT
• Uniprot ID: A0A891SNC1
• Locus tag: EJB16_RS22220
• Protein ID: WP_000342448.1
• Coordinates: 4411371..4411898 (-)
• Length: 176 a.a.

Antitoxin (Protein)

• Gene name: ataR
• Uniprot ID: F4NNI1
• Locus tag: EJB16_RS22225
• Protein ID: WP_001277108.1
• Coordinates: 4411905..4412171 (-)
• Length: 89 a.a.

Genomic Context

Locus tag	Coordinates	Strand	Size (bp)	Protein ID	Product	Description
EJB16_RS22195	4406446..4407213	-	768	WP_000082101.1	high-affinity branched-chain amino acid ABC transporter ATP-binding protein LivG	-
EJB16_RS22200	4407210..4408487	-	1278	WP_000803797.1	branched chain amino acid ABC transporter permease LivM	-
EJB16_RS22205	4408484..4409410	-	927	WP_001295111.1	high-affinity branched-chain amino acid ABC transporter permease LivH	-
EJB16_RS22210	4409458..4410567	-	1110	WP_001301528.1	high-affinity branched-chain amino acid ABC transporter substrate-binding protein LivK	-
EJB16_RS22215	4410991..4411374	+	384	WP_000778769.1	aspartate 1-decarboxylase autocleavage activator PanM	-
EJB16_RS22220	4411371..4411898	-	528	WP_000342448.1	GNAT family N-acetyltransferase	Toxin
EJB16_RS22225	4411905..4412171	-	267	WP_001277108.1	DUF1778 domain-containing protein	Antitoxin
EJB16_RS22230	4412321..4413424	-	1104	WP_001021996.1	branched chain amino acid ABC transporter substrate-binding protein LivJ	-
EJB16_RS22235	4413695..4414549	-	855	WP_000130217.1	RNA polymerase sigma factor RpoH	-
EJB16_RS22240	4414794..4415852	-	1059	WP_001042018.1	permease-like cell division protein FtsX	-
EJB16_RS22245	4415845..4416513	-	669	WP_000617723.1	cell division ATP-binding protein FtsE	-

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

>T115826 WP_000342448.1 NZ_CP034384:c4411898-4411371 [Escherichia coli O157:H7]
MDDLTIEILTDDADYDLQRFDCGEEALNLFLTTHLVRQHRNKILRAYILCRNTPERQVLGYYTLCGSCFERAALPSKSKQ
KKIPYKNIPSVTLGRLAIDRSLQGQGWGATLVAHAMKVVWSASLAVGIHGLFVEALNEKAHTFYKSLGFIPLVGENENAL
FFPTKSIELLFTQSD

Nucleotide

• Length: 528 bp

>T115826 NZ_CP034384:c4411898-4411371 [Escherichia coli O157:H7]
ATGGATGATCTGACGATAGAGATTCTGACCGATGATGCAGATTATGATCTACAGCGATTCGACTGCGGCGAGGAAGCGTT
AAATCTCTTTCTGACGACACATCTCGTTCGTCAACATCGCAACAAAATTCTGCGAGCGTATATCCTTTGTCGCAACACTC
CAGAACGTCAGGTGCTGGGATATTACACATTATGCGGCAGTTGTTTTGAACGAGCCGCATTGCCCTCGAAATCGAAACAG
AAAAAAATTCCCTACAAAAATATTCCCAGCGTTACTCTTGGGCGTCTGGCAATTGATCGTTCATTACAGGGGCAGGGATG
GGGAGCAACACTGGTTGCTCATGCCATGAAAGTCGTCTGGTCAGCCTCTTTAGCGGTAGGTATTCACGGTCTTTTTGTCG
AGGCGCTGAATGAAAAAGCCCATACGTTTTATAAATCGCTGGGCTTTATCCCTTTAGTCGGGGAAAACGAAAATGCGTTA
TTTTTCCCAACCAAATCCATTGAACTGCTTTTTACACAGAGCGATTAA

Antitoxin

Protein

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

>AT115826 WP_001277108.1 NZ_CP034384:c4412171-4411905 [Escherichia coli O157:H7]
MSAVKKQRIDLRLTDDDKSMIEEAAAISNQSVSQFMLNSASQRAAEVIEQHRRVILNEESWTRVMDALSNPPSPGEKLKR
AAKRLQGM

Nucleotide

• Length: 267 bp

>AT115826 NZ_CP034384:c4412171-4411905 [Escherichia coli O157:H7]
ATGTCTGCTGTTAAAAAGCAGCGTATCGATCTGCGTTTAACTGACGATGACAAAAGTATGATTGAGGAAGCGGCAGCGAT
ATCTAATCAGTCCGTCAGCCAATTTATGTTGAACAGCGCTTCGCAGCGGGCTGCGGAAGTGATTGAACAGCATCGGCGGG
TGATCCTCAATGAGGAATCCTGGACGCGGGTGATGGATGCGCTGAGTAATCCACCGTCACCAGGTGAAAAGCTAAAACGT
GCGGCAAAACGTCTTCAGGGAATGTAA

Structures

Toxin

• PDB: 6GTS

Antitoxin

• AlphaFold DB: A0A829CN24