Detailed information of TA system    

insolicoBioinformatically predicted

Overview

TA module


Type II Classification (family/domain) mazEF/PRK09907-MazE
Location 3689373..3689956 Replicon chromosome
Accession NZ_CP008805
Organism Escherichia coli O157:H7 str. SS17

Toxin (Protein)


Gene name mazF Uniprot ID S1EZP4
Locus tag SS17_RS19340 Protein ID WP_000254738.1
Coordinates 3689373..3689708 (-) Length 112 a.a.

Antitoxin (Protein)


Gene name mazE Uniprot ID S1P3W5
Locus tag SS17_RS19345 Protein ID WP_000581937.1
Coordinates 3689708..3689956 (-) Length 83 a.a.

Genomic Context

Locus tag Coordinates Strand Size (bp) Protein ID Product Description
SS17_RS19325 3685260..3686558 - 1299 WP_000036723.1 phosphopyruvate hydratase -
SS17_RS19330 3686646..3688283 - 1638 WP_000210878.1 CTP synthase (glutamine hydrolyzing) -
SS17_RS19335 3688511..3689302 - 792 WP_001071648.1 nucleoside triphosphate pyrophosphohydrolase -
SS17_RS19340 3689373..3689708 - 336 WP_000254738.1 endoribonuclease MazF Toxin
SS17_RS19345 3689708..3689956 - 249 WP_000581937.1 type II toxin-antitoxin system antitoxin MazE Antitoxin
SS17_RS19350 3690034..3692268 - 2235 WP_000226815.1 GTP pyrophosphokinase -
SS17_RS19355 3692316..3693617 - 1302 WP_000046824.1 23S rRNA (uracil(1939)-C(5))-methyltransferase RlmD -

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

>T47562 WP_000254738.1 NZ_CP008805:c3689708-3689373 [Escherichia coli O157:H7 str. SS17]
MVSRYVPDMGDLIWVDFDPTKGSEQAGHRPAVVLSPFMYNNKTGMCLCVPCTTQSKGYPFEVVLSGQERDGVALADQVKS
IAWRARGATKKGTVAPEELQLIKAKINVLIG

Download         Length: 336 bp

>T47562 NZ_CP008805:c3689708-3689373 [Escherichia coli O157:H7 str. SS17]
ATGGTAAGCCGATACGTACCCGATATGGGCGATCTGATTTGGGTTGATTTTGACCCGACAAAAGGTAGCGAGCAAGCCGG
ACATCGTCCGGCTGTTGTCCTGAGTCCGTTCATGTACAACAACAAAACAGGTATGTGTCTGTGTGTTCCTTGTACAACGC
AATCAAAAGGATATCCGTTCGAAGTTGTTTTATCCGGTCAGGAACGTGATGGCGTAGCGTTAGCTGATCAGGTAAAAAGT
ATCGCCTGGCGGGCAAGAGGAGCAACGAAGAAAGGAACGGTTGCCCCAGAGGAATTACAACTCATTAAAGCCAAAATTAA
CGTACTGATTGGGTAG

Antitoxin


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

>AT47562 WP_000581937.1 NZ_CP008805:c3689956-3689708 [Escherichia coli O157:H7 str. SS17]
MIHSSVKRWGNSPAVRIPATLMQALNLNIDDEVKIDLVDGKLIIEPVRKEPVFTLAELVNDITPENLHENIDWGEPKDKE
VW

Download         Length: 249 bp

>AT47562 NZ_CP008805:c3689956-3689708 [Escherichia coli O157:H7 str. SS17]
ATGATCCACAGTAGCGTAAAGCGTTGGGGAAATTCACCGGCGGTGCGGATCCCGGCTACGTTAATGCAGGCGCTCAATCT
GAATATTGATGATGAAGTGAAGATTGACCTGGTGGATGGCAAATTAATTATTGAGCCAGTGCGTAAAGAGCCCGTATTTA
CGCTTGCTGAACTGGTCAACGACATCACGCCGGAAAACCTCCACGAGAATATCGACTGGGGAGAGCCGAAAGATAAGGAA
GTCTGGTAA

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