Detailed information of TA system TA121421

Bioinformatically predicted

Overview

TA module

• Type: II
• Classification (family/domain): paaR-paaA-parE/-
• Location: 2522837..2523308
• Replicon: chromosome
• Accession: NZ_CP038319
• Organism: Escherichia coli O157:H7 strain NE122

Toxin (Protein)

• Gene name: parE_1
• Uniprot ID: A0A0D7C2L1
• Locus tag: E3167_RS12605
• Protein ID: WP_001303511.1
• Coordinates: 2522837..2523115 (-)
• Length: 93 a.a.

Antitoxin (Protein)

• Gene name: paaA
• Uniprot ID: Q8XAD5
• Locus tag: E3167_RS12610
• Protein ID: WP_001302048.1
• Coordinates: 2523117..2523308 (-)
• Length: 64 a.a.

Genomic Context

Locus tag	Coordinates	Strand	Size (bp)	Protein ID	Product	Description
E3167_RS12565	2517844..2518028	-	185	Protein_2454	DUF3596 domain-containing protein	-
E3167_RS12570	2518063..2518314	-	252	WP_000005552.1	excisionase family protein	-
E3167_RS12575	2518387..2520858	-	2472	WP_000048458.1	exonuclease	-
E3167_RS12580	2520951..2521142	-	192	WP_001090200.1	DUF1482 family protein	-
E3167_RS12585	2521139..2521327	-	189	WP_000449192.1	cell division inhibition protein DicB	-
E3167_RS12590	2521728..2521892	+	165	WP_001331716.1	hypothetical protein	-
E3167_RS12595	2521896..2522114	-	219	WP_001171930.1	hypothetical protein	-
E3167_RS12600	2522186..2522485	-	300	WP_001240334.1	hypothetical protein	-
E3167_RS12605	2522837..2523115	-	279	WP_001303511.1	type II toxin-antitoxin system RelE/ParE family toxin	Toxin
E3167_RS12610	2523117..2523308	-	192	WP_001302048.1	hypothetical protein	Antitoxin
E3167_RS12615	2523329..2523700	-	372	WP_001169686.1	hypothetical protein	-
E3167_RS12620	2523798..2524100	+	303	WP_000172738.1	transcriptional regulator	-
E3167_RS12625	2524097..2524522	+	426	WP_000693943.1	Rha family transcriptional regulator	-
E3167_RS12630	2524545..2525507	+	963	WP_000095669.1	helix-turn-helix domain-containing protein	-
E3167_RS12635	2525514..2526254	+	741	WP_000788938.1	ATP-binding protein	-
E3167_RS12640	2526280..2527049	+	770	Protein_2469	DUF1627 domain-containing protein	-
E3167_RS12645	2527065..2527460	+	396	WP_001118159.1	DUF977 family protein	-
E3167_RS12650	2527517..2528101	+	585	WP_000206793.1	DUF551 domain-containing protein	-

Associated MGEs

MGE detail	Similar MGEs	Relative position	MGE Type	Cargo ARG	Virulence gene	Coordinates	Length (bp)
	-	inside	Prophage	-	nleG7'	2514551..2619610	105059

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

• Toxin-antitoxin system, RelE/ParE toxin family (4-91)

Antitoxin

No domain identified.

Sequences

Toxin

Protein

• Length: 93 a.a.
• Molecular weight: 10661.25 Da
• Isoelectric Point: 5.5647

>T121421 WP_001303511.1 NZ_CP038319:c2523115-2522837 [Escherichia coli O157:H7]
MLPVLWLESADTDLDDITSYIARFDIDAAERLWQRLRGCVLPLSEHPYLYPPSDRVPGLREIVAHPNYIILYRVTTSSVE
VVNVIHARRQFP

Nucleotide

• Length: 279 bp

>T121421 NZ_CP038319:c2523115-2522837 [Escherichia coli O157:H7]
ATGTTACCCGTGTTATGGCTTGAAAGCGCAGATACCGACCTAGATGATATAACTAGTTATATTGCTCGTTTCGACATAGA
TGCGGCTGAACGCTTATGGCAGCGATTAAGGGGTTGTGTGCTGCCGTTATCCGAACATCCGTATTTATACCCACCAAGCG
ACAGAGTACCTGGCTTGCGTGAGATTGTAGCCCACCCTAACTATATAATTCTATACCGCGTAACAACATCAAGCGTTGAA
GTAGTAAACGTGATCCACGCAAGACGCCAGTTTCCCTAA

Antitoxin

Protein

• Length: 64 a.a.
• Molecular weight: 7463.47 Da
• Isoelectric Point: 8.6828

>AT121421 WP_001302048.1 NZ_CP038319:c2523308-2523117 [Escherichia coli O157:H7]
MNRALSPMVSEFETIEQENSYNEWLRAKVATSLADPRPAIPHDEVERRMAERFAKMRKERSKQ

Nucleotide

• Length: 192 bp

>AT121421 NZ_CP038319:c2523308-2523117 [Escherichia coli O157:H7]
ATGAATAGAGCCCTTTCACCAATGGTTTCTGAATTTGAAACCATTGAACAAGAAAACAGTTACAACGAATGGCTGCGTGC
GAAAGTAGCAACGAGCCTTGCAGATCCGCGCCCAGCAATTCCCCATGACGAAGTTGAGCGCAGAATGGCAGAACGCTTTG
CTAAGATGCGCAAGGAACGGAGCAAGCAGTAA

Structures

Toxin

• PDB: 5CZF
• PDB: 5CW7
• PDB: 5CZE

Antitoxin

• AlphaFold DB: A0A829CTP0