Detailed information of TA system TA122831

Bioinformatically predicted

Overview

TA module

• Type: II
• Classification (family/domain): shpAB/BrnT-BrnA
• Location: 4130592..4131168
• Replicon: chromosome
• Accession: NZ_CP038453
• Organism: Escherichia coli strain EC-129

Toxin (Protein)

• Gene name: shpA
• Uniprot ID: D3GXZ2
• Locus tag: E4Z89_RS20060
• Protein ID: WP_001297643.1
• Coordinates: 4130881..4131168 (-)
• Length: 96 a.a.

Antitoxin (Protein)

• Gene name: shpB
• Uniprot ID: A0A080I7H7
• Locus tag: E4Z89_RS20055
• Protein ID: WP_000063160.1
• Coordinates: 4130592..4130894 (-)
• Length: 101 a.a.

Genomic Context

Locus tag	Coordinates	Strand	Size (bp)	Protein ID	Product	Description
E4Z89_RS20040	4127188..4129338	+	2151	WP_001295524.1	pyruvate/proton symporter BtsT	-
E4Z89_RS20045	4129388..4129591	+	204	WP_000467859.1	YbdD/YjiX family protein	-
E4Z89_RS20050	4129602..4130558	+	957	WP_001297640.1	GTPase	-
E4Z89_RS20055	4130592..4130894	-	303	WP_000063160.1	BrnA antitoxin family protein	Antitoxin
E4Z89_RS20060	4130881..4131168	-	288	WP_001297643.1	BrnT family toxin	Toxin
E4Z89_RS20065	4131367..4132064	-	698	Protein_3868	IS1 family transposase	-
E4Z89_RS20070	4132379..4133611	+	1233	WP_001137030.1	multidrug efflux MFS transporter MdtM	-
E4Z89_RS20075	4133652..4134932	+	1281	WP_001037390.1	DUF445 domain-containing protein	-

Associated MGEs

MGE detail	Similar MGEs	Relative position	MGE Type	Cargo ARG	Virulence gene	Coordinates	Length (bp)
	-	flank	IS/Tn	-	-	4131367..4131660	293

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

• Ribonuclease toxin, BrnT, of type II toxin-antitoxin system (7-88)

Antitoxin

• BrnA antitoxin of type II toxin-antitoxin system (37-93)

Sequences

Toxin

Protein

• Length: 96 a.a.
• Molecular weight: 11295.77 Da
• Isoelectric Point: 6.8821

>T122831 WP_001297643.1 NZ_CP038453:c4131168-4130881 [Escherichia coli]
MPMEFEWDENKAKSNRVKHGIRFEDAVLLFDDPQHLSQQERIENGEYRWQTIGLVYGIVVILVAHTIRFESGNEIIRIIS
ARKADRKERNRYEHG

Nucleotide

• Length: 288 bp

>T122831 NZ_CP038453:c4131168-4130881 [Escherichia coli]
ATGCCAATGGAGTTTGAATGGGATGAAAACAAGGCCAAAAGTAATCGGGTGAAACATGGCATCCGCTTTGAAGATGCGGT
GTTATTGTTTGATGATCCACAACATTTGTCACAGCAAGAACGCATAGAAAACGGTGAGTATCGCTGGCAGACAATCGGCC
TGGTTTACGGCATCGTGGTTATTCTGGTTGCGCATACCATCCGTTTCGAAAGCGGAAATGAAATTATTCGAATCATCAGT
GCACGAAAAGCAGATCGTAAAGAGAGGAATCGCTATGAGCATGGTTAA

Antitoxin

Protein

• Length: 101 a.a.
• Molecular weight: 11552.01 Da
• Isoelectric Point: 9.4646

>AT122831 WP_000063160.1 NZ_CP038453:c4130894-4130592 [Escherichia coli]
MSMVKHKRGTSSTLDVQHEAELKALTNKSDEDIDYSDIPPSSDEQWSNAERGKFYRPLKTQASVRIDADVMEWLKRPGKG
YQTRLNAILREAMLRDQNKK

Nucleotide

• Length: 303 bp

>AT122831 NZ_CP038453:c4130894-4130592 [Escherichia coli]
ATGAGCATGGTTAAACATAAACGAGGGACCTCCTCTACACTCGATGTGCAGCATGAGGCCGAACTGAAGGCGCTGACGAA
TAAATCCGACGAAGATATTGATTACAGTGATATCCCACCTTCCAGCGATGAGCAATGGTCTAACGCCGAACGCGGTAAGT
TTTATCGGCCATTGAAAACTCAGGCTTCGGTGCGTATTGATGCTGATGTGATGGAATGGTTGAAGCGACCAGGTAAAGGC
TATCAAACTCGCCTGAACGCAATTTTACGTGAAGCGATGCTGCGCGATCAGAACAAAAAATAA

Structures

Toxin

• AlphaFold DB: A0A829GEV9

Antitoxin

• AlphaFold DB: A0A080I7H7