Detailed information of TA system    

insolicoBioinformatically predicted

Overview

TA module


Type II Classification (family/domain) mazEF/PRK09907-MazE
Location 1093020..1093603 Replicon chromosome
Accession NZ_CP062731
Organism Escherichia coli O157:H7 strain Z1768

Toxin (Protein)


Gene name mazF Uniprot ID S1EZP4
Locus tag ILQ48_RS05295 Protein ID WP_000254738.1
Coordinates 1093268..1093603 (+) Length 112 a.a.

Antitoxin (Protein)


Gene name mazE Uniprot ID S1P3W5
Locus tag ILQ48_RS05290 Protein ID WP_000581937.1
Coordinates 1093020..1093268 (+) Length 83 a.a.

Genomic Context

Locus tag Coordinates Strand Size (bp) Protein ID Product Description
ILQ48_RS05280 1089359..1090660 + 1302 WP_000046824.1 23S rRNA (uracil(1939)-C(5))-methyltransferase RlmD -
ILQ48_RS05285 1090708..1092942 + 2235 WP_000226815.1 GTP pyrophosphokinase -
ILQ48_RS05290 1093020..1093268 + 249 WP_000581937.1 type II toxin-antitoxin system antitoxin MazE Antitoxin
ILQ48_RS05295 1093268..1093603 + 336 WP_000254738.1 endoribonuclease MazF Toxin
ILQ48_RS05300 1093674..1094465 + 792 WP_001071648.1 nucleoside triphosphate pyrophosphohydrolase -
ILQ48_RS05305 1094693..1096330 + 1638 WP_000210878.1 CTP synthase (glutamine hydrolyzing) -
ILQ48_RS05310 1096418..1097716 + 1299 WP_000036723.1 phosphopyruvate hydratase -

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

mRNA interferase PemK-like

(10-109)

Antitoxin

SpoVT-AbrB domain

(7-51)


Sequences

Toxin        


Download         Length: 112 a.a.        Molecular weight: 12098.04 Da        Isoelectric Point: 8.2618

>T175874 WP_000254738.1 NZ_CP062731:1093268-1093603 [Escherichia coli O157:H7]
MVSRYVPDMGDLIWVDFDPTKGSEQAGHRPAVVLSPFMYNNKTGMCLCVPCTTQSKGYPFEVVLSGQERDGVALADQVKS
IAWRARGATKKGTVAPEELQLIKAKINVLIG

Download         Length: 336 bp

>T175874 NZ_CP082231:c2587059-2586958 [Enterococcus faecalis]
TTGTCAATCGAAGCGACATTGGAATTGATGATTAGTTTTGCAACCCTTGTTGCGTTACTGATTTTCGGTATCCTTGAAGC
AACGAAAAACGATAAAAAATAA

Antitoxin


Download         Length: 83 a.a.        Molecular weight: 9355.74 Da        Isoelectric Point: 4.4665

>AT175874 WP_000581937.1 NZ_CP062731:1093020-1093268 [Escherichia coli O157:H7]
MIHSSVKRWGNSPAVRIPATLMQALNLNIDDEVKIDLVDGKLIIEPVRKEPVFTLAELVNDITPENLHENIDWGEPKDKE
VW

Download         Length: 249 bp

>AT175874 NZ_CP082231:2586836-2587021 [Enterococcus faecalis]
AAAAGAGAGGTATGCGGGTACATACCTCTCTTTTATACCAGCGCCAGTTATAAGAACTGGTGGCTTACTGAGTTAAGTTT
TTATTACTGTTTAACCGTTCGGCCTGTCAAGCTTATGAACGGTTATTTTTTATCGTTTTTCGTTGCTTCAAGGATACCGA
AAATCAGTAACGCAACAAGGGTTGCA

Similar Proteins

Only experimentally validated proteins are listed.

Protein Organism Identities (%) Coverage (%) Ha-value
Protein Organism Identities (%) Coverage (%) Ha-value

Structures

Toxin

Source ID Structure
PDB 1UB4
PDB 5CQX
PDB 5CK9
PDB 5CKH
PDB 5CO7
PDB 3NFC
PDB 5CR2
PDB 5CKB
PDB 5CQY
PDB 5CKD
PDB 5CKE
PDB 5CKF

Antitoxin

Source ID Structure
PDB 1UB4
PDB 5CQX
PDB 5CQY
PDB 1MVF
PDB 2MRN
PDB 2MRU
AlphaFold DB A0A7U9LMB4

References