Detailed information of TA system TA157798

Bioinformatically predicted

Overview

TA module

• Type: II
• Classification (family/domain): mazEF/PRK09907-MazE
• Location: 1022676..1023259
• Replicon: chromosome
• Accession: NZ_CP053785
• Organism: Escherichia coli isolate 2-101

Toxin (Protein)

• Gene name: mazF
• Uniprot ID: S1EZP4
• Locus tag: HQN80_RS04935
• Protein ID: WP_000254738.1
• Coordinates: 1022924..1023259 (+)
• Length: 112 a.a.

Antitoxin (Protein)

• Gene name: mazE
• Uniprot ID: S1P3W5
• Locus tag: HQN80_RS04930
• Protein ID: WP_000581937.1
• Coordinates: 1022676..1022924 (+)
• Length: 83 a.a.

Genomic Context

Locus tag	Coordinates	Strand	Size (bp)	Protein ID	Product	Description
HQN80_RS04920	1019015..1020316	+	1302	WP_000046812.1	23S rRNA (uracil(1939)-C(5))-methyltransferase RlmD	-
HQN80_RS04925	1020364..1022598	+	2235	WP_000226815.1	GTP pyrophosphokinase	-
HQN80_RS04930	1022676..1022924	+	249	WP_000581937.1	type II toxin-antitoxin system antitoxin MazE	Antitoxin
HQN80_RS04935	1022924..1023259	+	336	WP_000254738.1	endoribonuclease MazF	Toxin
HQN80_RS04940	1023330..1024121	+	792	WP_001071648.1	nucleoside triphosphate pyrophosphohydrolase	-
HQN80_RS04945	1024349..1025986	+	1638	WP_000210878.1	CTP synthase (glutamine hydrolyzing)	-
HQN80_RS04950	1026074..1027372	+	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

Protein

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

>T157798 WP_000254738.1 NZ_CP053785:1022924-1023259 [Escherichia coli]
MVSRYVPDMGDLIWVDFDPTKGSEQAGHRPAVVLSPFMYNNKTGMCLCVPCTTQSKGYPFEVVLSGQERDGVALADQVKS
IAWRARGATKKGTVAPEELQLIKAKINVLIG

Nucleotide

• Length: 336 bp

>T157798 NZ_CP069480:c1219114-1218737 [Escherichia coli]
ATGAAAACATTACCCGACACACACGTACGGGAGGCATCGCGCTGCCTGTCTCCGGTTGAAATCTGGCAGACACTGCTCAC
CCGGTTACTGGACCAGCACTACGGCCTCACACTGAATGACACACCGTTCGCTGATGAACGTGTGATTGAGCAGCATATTG
AAGCAGGGATTTCACTGTGTGACGCGGTGAACTTTCTCGTTGAAAAATACGCCCTGGTGCGTACCGACCAGCCGGGATTC
AGCCCCTGTACCCGCTCTCAGTTAATCAACAGTATCGATATCCTCCGGGCACGCCGGGCAACCGGCCTGATGACCCGCGA
TAACTACAGAACGGTAAATAACATTACCCGGGGTAAGCATCCGGAGGCGAAACAATGA

Antitoxin

Protein

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

>AT157798 WP_000581937.1 NZ_CP053785:1022676-1022924 [Escherichia coli]
MIHSSVKRWGNSPAVRIPATLMQALNLNIDDEVKIDLVDGKLIIEPVRKEPVFTLAELVNDITPENLHENIDWGEPKDKE
VW

Nucleotide

• Length: 249 bp

>AT157798 NZ_CP069480:c1219572-1219204 [Escherichia coli]
GTGTCAGACGCACTCTCCGGGACAATGCTTCCCGACGACAATCACGACCGCCCCTGGTGGGGGCTGCCCTGCACCGTGAC
GCCCTGTTTCGGGGCACGTCTGGTGCAGGAGGGTAACCGCCTGCATTACCTTGCCGACCGCGCCGGTATCAGAGGCCTGT
TCAGCGATGCAGATGCGTACCACCTGGACCAGGCCTTTCCGCTGCTGATGAAACAACTGGAACTCATGCTCACCAGCGGT
GAACTGAATCCCCGCCATCAGCATACCGTCACGCTGTATGCAAAAGGTCTGACCTGCAAAGCTGACACTCTCGGTAGCGG
TGGTTACGTTTATCTGGCTGTTTATCCGACGCCCGAAACGAAAAAGTAA

Structures

Toxin

• 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

• PDB: 1UB4
• PDB: 5CQX
• PDB: 5CQY
• PDB: 1MVF
• PDB: 2MRN
• PDB: 2MRU
• AlphaFold DB: A0A7U9LMB4