Detailed information of TA system    

insolicoBioinformatically predicted

Overview

TA module


Type II Classification (family/domain) mazEF/PRK09907-MazE
Location 1091852..1092435 Replicon chromosome
Accession NZ_CP076237
Organism Escherichia coli O157:H7 strain 146N4

Toxin (Protein)


Gene name mazF Uniprot ID S1EZP4
Locus tag JKN67_RS05345 Protein ID WP_000254738.1
Coordinates 1092100..1092435 (+) Length 112 a.a.

Antitoxin (Protein)


Gene name mazE Uniprot ID S1P3W5
Locus tag JKN67_RS05340 Protein ID WP_000581937.1
Coordinates 1091852..1092100 (+) Length 83 a.a.

Genomic Context

Locus tag Coordinates Strand Size (bp) Protein ID Product Description
JKN67_RS05330 (1088191) 1088191..1089492 + 1302 WP_000046824.1 23S rRNA (uracil(1939)-C(5))-methyltransferase RlmD -
JKN67_RS05335 (1089540) 1089540..1091774 + 2235 WP_000226815.1 GTP pyrophosphokinase -
JKN67_RS05340 (1091852) 1091852..1092100 + 249 WP_000581937.1 type II toxin-antitoxin system antitoxin MazE Antitoxin
JKN67_RS05345 (1092100) 1092100..1092435 + 336 WP_000254738.1 endoribonuclease MazF Toxin
JKN67_RS05350 (1092506) 1092506..1093297 + 792 WP_001071648.1 nucleoside triphosphate pyrophosphohydrolase -
JKN67_RS05355 (1093525) 1093525..1095162 + 1638 WP_000210878.1 CTP synthase (glutamine hydrolyzing) -
JKN67_RS05360 (1095250) 1095250..1096548 + 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

>T204869 WP_000254738.1 NZ_CP076237:1092100-1092435 [Escherichia coli O157:H7]
MVSRYVPDMGDLIWVDFDPTKGSEQAGHRPAVVLSPFMYNNKTGMCLCVPCTTQSKGYPFEVVLSGQERDGVALADQVKS
IAWRARGATKKGTVAPEELQLIKAKINVLIG

Download         Length: 336 bp

>T204869 NZ_CP101274:384823-385173 [Escherichia coli]
ATGGTAAAGAAAAGTGAATTTGAACGGGGAGACATTGTGCTGGTTGGCTTTGATCCAGCAAGCGGCCATGAACAGCAAGG
TGCTGGTCGACCTGCGCTTGTGCTCTCCGTTCAAGCCTTTAATCAACTGGGAATGACGCTGGTGGCCCCCATTACGCAGG
GCGGAAATTTTGCCCGTTATGCCGGATTTAGCGTTCCTTTACATTGCGAAGAAGGCGATGTGCACGGCGTGGTGCTGGTG
AATCAGGTGCGGATGATGGATCTACGCGCCCGGCTGGCAAAGCGTATTGGTCTGGCTGCGGATGAGGTGGTGGAAGAGGC
GTTATTACGCTTGCAGGCGGTGGTGGAATAA

Antitoxin


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

>AT204869 WP_000581937.1 NZ_CP076237:1091852-1092100 [Escherichia coli O157:H7]
MIHSSVKRWGNSPAVRIPATLMQALNLNIDDEVKIDLVDGKLIIEPVRKEPVFTLAELVNDITPENLHENIDWGEPKDKE
VW

Download         Length: 249 bp

>AT204869 NZ_CP101274:384578-384829 [Escherichia coli]
ATGCGTATTACCATAAAAAGATGGGGGAACAGTGCAGGTATGGTCATTCCCAATATCGTAATGAAAGAACTTAACTTACA
GCCGGGGCAGAGCGTGGAAGCGCAGGTGAGCAACAACCAACTGATTCTGACACCCATCTCCAGGCGCTACTCGCTTGATG
AACTGCTGGCACAGTGTGACATGAACGCCGCGGAACTTAGCGAGCAGGATGTCTGGGGTAAATCCACCCCTGCGGGTGAC
GAAATATGGTAA

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