Detailed information of TA system TA122405

Bioinformatically predicted

Overview

TA module

• Type: II
• Classification (family/domain): paaR-paaA-parE/-
• Location: 2622237..2622708
• Replicon: chromosome
• Accession: NZ_CP038402
• Organism: Escherichia coli O157:H7 strain BB24-1

Toxin (Protein)

• Gene name: parE_1
• Uniprot ID: A0A0D7C2L1
• Locus tag: E4U87_RS13285
• Protein ID: WP_001303511.1
• Coordinates: 2622237..2622515 (-)
• Length: 93 a.a.

Antitoxin (Protein)

• Gene name: paaA
• Uniprot ID: Q8XAD5
• Locus tag: E4U87_RS13290
• Protein ID: WP_001302048.1
• Coordinates: 2622517..2622708 (-)
• Length: 64 a.a.

Genomic Context

Locus tag	Coordinates	Strand	Size (bp)	Protein ID	Product	Description
E4U87_RS13245	2617243..2617427	-	185	Protein_2593	DUF3596 domain-containing protein	-
E4U87_RS13250	2617462..2617713	-	252	WP_000005552.1	excisionase family protein	-
E4U87_RS13255	2617786..2620257	-	2472	WP_000048458.1	exonuclease	-
E4U87_RS13260	2620350..2620541	-	192	WP_001090200.1	DUF1482 family protein	-
E4U87_RS13265	2620538..2620726	-	189	WP_000449192.1	cell division inhibition protein DicB	-
E4U87_RS13270	2621127..2621291	+	165	WP_001331716.1	hypothetical protein	-
E4U87_RS13275	2621295..2621513	-	219	WP_001171930.1	hypothetical protein	-
E4U87_RS13280	2621585..2621884	-	300	WP_001240334.1	hypothetical protein	-
E4U87_RS13285	2622237..2622515	-	279	WP_001303511.1	type II toxin-antitoxin system RelE/ParE family toxin	Toxin
E4U87_RS13290	2622517..2622708	-	192	WP_001302048.1	hypothetical protein	Antitoxin
E4U87_RS13295	2622729..2623100	-	372	WP_001169686.1	hypothetical protein	-
E4U87_RS13300	2623198..2623500	+	303	WP_000172738.1	transcriptional regulator	-
E4U87_RS13305	2623497..2623922	+	426	WP_000693943.1	Rha family transcriptional regulator	-
E4U87_RS13310	2623945..2624907	+	963	WP_000095670.1	helix-turn-helix domain-containing protein	-
E4U87_RS13315	2624914..2625654	+	741	WP_000788936.1	ATP-binding protein	-
E4U87_RS13320	2625680..2626449	+	770	Protein_2608	DUF1627 domain-containing protein	-
E4U87_RS13325	2626465..2626860	+	396	WP_001118159.1	DUF977 family protein	-
E4U87_RS13330	2626917..2627501	+	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	-	nleA/espI / espM1	2607357..2719609	112252

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

>T122405 WP_001303511.1 NZ_CP038402:c2622515-2622237 [Escherichia coli O157:H7]
MLPVLWLESADTDLDDITSYIARFDIDAAERLWQRLRGCVLPLSEHPYLYPPSDRVPGLREIVAHPNYIILYRVTTSSVE
VVNVIHARRQFP

Nucleotide

• Length: 279 bp

>T122405 NZ_CP038402:c2622515-2622237 [Escherichia coli O157:H7]
ATGTTACCCGTGTTATGGCTTGAAAGCGCAGATACCGACCTAGATGATATAACTAGTTATATTGCTCGTTTCGACATAGA
TGCGGCTGAACGCTTATGGCAGCGATTAAGGGGTTGTGTGCTGCCGTTATCCGAACATCCGTATTTATACCCACCAAGCG
ACAGAGTACCTGGCTTGCGTGAGATTGTAGCCCACCCTAACTATATAATTCTATACCGCGTAACAACATCAAGCGTTGAA
GTAGTAAACGTGATCCACGCAAGACGCCAGTTTCCCTAA

Antitoxin

Protein

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

>AT122405 WP_001302048.1 NZ_CP038402:c2622708-2622517 [Escherichia coli O157:H7]
MNRALSPMVSEFETIEQENSYNEWLRAKVATSLADPRPAIPHDEVERRMAERFAKMRKERSKQ

Nucleotide

• Length: 192 bp

>AT122405 NZ_CP038402:c2622708-2622517 [Escherichia coli O157:H7]
ATGAATAGAGCCCTTTCACCAATGGTTTCTGAATTTGAAACCATTGAACAAGAAAACAGTTACAACGAATGGCTGCGTGC
GAAAGTAGCAACGAGCCTTGCAGATCCGCGCCCAGCAATTCCCCATGACGAAGTTGAGCGCAGAATGGCAGAACGCTTTG
CTAAGATGCGCAAGGAACGGAGCAAGCAGTAA

Structures

Toxin

• PDB: 5CZF
• PDB: 5CW7
• PDB: 5CZE

Antitoxin

• PDB: 5CZF
• PDB: 3ZBE
• PDB: 5CW7
• AlphaFold DB: A0A829CTP0