Detailed information of TA system    

insolicoBioinformatically predicted

Overview

TA module


Type II Classification (family/domain) mazEF/PRK09907-MazE
Location 1079959..1080542 Replicon chromosome
Accession NZ_CP062778
Organism Escherichia coli O157:H7 strain Z1836

Toxin (Protein)


Gene name mazF Uniprot ID S1EZP4
Locus tag ILQ64_RS05235 Protein ID WP_000254738.1
Coordinates 1080207..1080542 (+) Length 112 a.a.

Antitoxin (Protein)


Gene name mazE Uniprot ID S1P3W5
Locus tag ILQ64_RS05230 Protein ID WP_000581937.1
Coordinates 1079959..1080207 (+) Length 83 a.a.

Genomic Context

Locus tag Coordinates Strand Size (bp) Protein ID Product Description
ILQ64_RS05220 1076298..1077599 + 1302 WP_000046824.1 23S rRNA (uracil(1939)-C(5))-methyltransferase RlmD -
ILQ64_RS05225 1077647..1079881 + 2235 WP_000226815.1 GTP pyrophosphokinase -
ILQ64_RS05230 1079959..1080207 + 249 WP_000581937.1 type II toxin-antitoxin system antitoxin MazE Antitoxin
ILQ64_RS05235 1080207..1080542 + 336 WP_000254738.1 endoribonuclease MazF Toxin
ILQ64_RS05240 1080613..1081404 + 792 WP_001071648.1 nucleoside triphosphate pyrophosphohydrolase -
ILQ64_RS05245 1081632..1083269 + 1638 WP_000210878.1 CTP synthase (glutamine hydrolyzing) -
ILQ64_RS05250 1083357..1084655 + 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

>T176497 WP_000254738.1 NZ_CP062778:1080207-1080542 [Escherichia coli O157:H7]
MVSRYVPDMGDLIWVDFDPTKGSEQAGHRPAVVLSPFMYNNKTGMCLCVPCTTQSKGYPFEVVLSGQERDGVALADQVKS
IAWRARGATKKGTVAPEELQLIKAKINVLIG

Download         Length: 336 bp

>T176497 NZ_CP082824:4342236-4342493 [Escherichia coli]
ATGAATTTATCCCGTCAGGAACAACATACCTTACACGTTCTCGCTAAAGGTAGACGTATTGCGCACGTCCGCGATTCTTC
AGGCCGCGTCACTTCCGTTGAATGCTACAGCCGCGAAGGGCTGTTGCTGACCGACTGCACGCTCGCCGTCTTCAAAAAAC
TCAAAACCAAAAAACTTATCAAGTCCGTCAATGGCCAGCCCTATCGAATCAACACCACCGAGCTGAATAAAGTTCGCGCT
CAGCTCGATAATCGCTAA

Antitoxin


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

>AT176497 WP_000581937.1 NZ_CP062778:1079959-1080207 [Escherichia coli O157:H7]
MIHSSVKRWGNSPAVRIPATLMQALNLNIDDEVKIDLVDGKLIIEPVRKEPVFTLAELVNDITPENLHENIDWGEPKDKE
VW

Download         Length: 249 bp

>AT176497 NZ_CP082824:4342505-4343050 [Escherichia coli]
ATGACAGTACACCACTTCACTTTTCATATCACAGATAAAAGTGATGCCAGTGATATCCGGGAAGTCGAAACCCGCGCATT
TGGCTTCGGCAAAGAAGCCGATTTAGTGGCCTCTTTACTTGAGGATGAAAGCGCGCGCCCCGCGTTATCGCTGCTAGCCC
GGTATGAAGGCAAAGCCGTCGGGCATATTTTATTTACCCGGGCAACCTTCAAAGGAGAAATGGATTCACCGTTGATGCAC
ATCCTCGCTCCCCTGGCGGTCATACCGGAATACCAAGGGATGGGCGTGGGAGGACGGTTGATACGCACTGGCATCGAGCA
CCTGAGGTTGATGGGCTGCCAGACGGTTTTTGTTCTCGGCCACGCCACCTATTACCCCCGACATGGGTTCGAACCCTGTG
CCGGAGACAAAGGCTATCCGGCACCTTATCCCATCCCGGAGGAGCACAAAGCCTGCTGGATGATGCAATCACTCACCGCT
CAGCCCATGACCCTGACCGGCCACATCCGGTGCGCAGACCCTGATGAAACCGGAGCACTGACGTGA

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