Detailed information of TA system TA070991

Bioinformatically predicted

Overview

TA module

• Type: II
• Classification (family/domain): itaRT/DUF1778(antitoxin)
• Location: 3813752..3814589
• Replicon: chromosome
• Accession: NZ_CP018948
• Organism: Escherichia coli strain Ecol_224

Toxin (Protein)

• Gene name: itaT
• Uniprot ID: Q3Z4X7
• Locus tag: BE957_RS22230
• Protein ID: WP_000227784.1
• Coordinates: 3814047..3814589 (+)
• Length: 181 a.a.

Antitoxin (Protein)

• Gene name: itaR
• Uniprot ID: I2UQS9
• Locus tag: BE957_RS22225
• Protein ID: WP_001297137.1
• Coordinates: 3813752..3814063 (+)
• Length: 104 a.a.

Genomic Context

Locus tag	Coordinates	Strand	Size (bp)	Protein ID	Product	Description
BE957_RS22200	3808772..3809719	+	948	WP_001239441.1	cytochrome o ubiquinol oxidase subunit II	-
BE957_RS22205	3809741..3811732	+	1992	WP_000467180.1	cytochrome o ubiquinol oxidase subunit I	-
BE957_RS22210	3811722..3812336	+	615	WP_000179819.1	cytochrome o ubiquinol oxidase subunit III	-
BE957_RS22215	3812336..3812665	+	330	WP_000019869.1	cytochrome o ubiquinol oxidase subunit IV	-
BE957_RS22220	3812677..3813567	+	891	WP_000971336.1	heme o synthase	-
BE957_RS22225	3813752..3814063	+	312	WP_001297137.1	DUF1778 domain-containing protein	Antitoxin
BE957_RS22230	3814047..3814589	+	543	WP_000227784.1	GNAT family N-acetyltransferase	Toxin
BE957_RS22235	3814645..3815580	-	936	WP_001365761.1	sel1 repeat family protein	-
BE957_RS22240	3815988..3817352	+	1365	WP_001000974.1	MFS transporter	-
BE957_RS22245	3817480..3817971	-	492	WP_001138904.1	nucleotide binding protein YajQ	-
BE957_RS22250	3818139..3819050	+	912	WP_000705874.1	2-dehydropantoate 2-reductase	-

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

• GNAT domain (68-156)

Antitoxin

• Vibrio phage ICP1, Orf50 (14-97)

Sequences

Toxin

Protein

• Length: 181 a.a.
• Molecular weight: 19805.02 Da
• Isoelectric Point: 8.3395

>T70991 WP_000227784.1 NZ_CP018948:3814047-3814589 [Escherichia coli]
MVDKHEEITLPIVLSCNYQSDITYPGQKQFDCGNPVIDKFVRASLKKSVRNSDCAAKALIDRQSGELIGICTFTAYSLEK
QRVSGVLQGSQPSEIGVVRLVMLGVARKYQKRGFGQDLLCDFFEHVKIIHQALPIKGVYLDADPAAINFYARLGFVQLSA
TPNAFGAVPMFLAIQHILAA

Nucleotide

• Length: 543 bp

>T70991 NZ_CP018948:3814047-3814589 [Escherichia coli]
ATGGTCGACAAGCATGAAGAGATTACTCTGCCCATAGTCCTCTCCTGTAATTATCAGTCTGATATTACTTATCCTGGGCA
AAAACAGTTTGATTGCGGTAACCCTGTTATCGATAAATTTGTACGCGCATCGCTAAAGAAAAGTGTGCGTAATAGCGACT
GTGCGGCTAAAGCACTTATTGACAGACAAAGTGGTGAACTGATCGGCATCTGTACTTTTACGGCATATTCGCTGGAAAAA
CAACGCGTTTCTGGCGTCCTTCAGGGTTCACAACCTTCAGAAATTGGTGTTGTCAGATTAGTCATGTTGGGGGTAGCACG
GAAGTATCAAAAGCGGGGCTTTGGTCAGGACCTACTATGTGATTTTTTTGAACATGTAAAAATAATTCACCAGGCATTAC
CAATTAAAGGGGTTTATCTTGATGCTGACCCTGCCGCCATTAATTTTTATGCTCGTCTCGGCTTTGTTCAGCTTTCAGCG
ACACCAAATGCTTTTGGTGCTGTACCTATGTTTTTGGCGATTCAGCATATTCTCGCGGCTTAG

Antitoxin

Protein

• Length: 104 a.a.
• Molecular weight: 11358.04 Da
• Isoelectric Point: 10.4825

>AT70991 WP_001297137.1 NZ_CP018948:3813752-3814063 [Escherichia coli]
MPGKTATLPDVDKTLKNARVELKTSPDAKNKLREAAQAVGVDLSAFILSAAMERAESVLDNQRRRELSNQSWELMNQLIA
EPAQPTLALKALMKRKNSDGRQA

Nucleotide

• Length: 312 bp

>AT70991 NZ_CP018948:3813752-3814063 [Escherichia coli]
ATGCCTGGAAAAACAGCCACTCTACCCGATGTCGATAAAACGCTGAAAAATGCGCGGGTCGAACTCAAAACTAGTCCCGA
CGCCAAAAACAAACTTCGTGAAGCTGCGCAAGCCGTTGGGGTAGATTTAAGCGCTTTTATTTTGAGCGCTGCTATGGAAC
GCGCCGAAAGTGTGCTTGATAACCAACGTCGCCGTGAGCTTTCGAATCAAAGCTGGGAACTGATGAACCAACTCATCGCT
GAACCTGCTCAACCGACGCTCGCCCTCAAGGCGTTAATGAAAAGGAAAAACAGCGATGGTCGACAAGCATGA

Structures

Toxin

• PDB: 7BYY

Antitoxin

• AlphaFold DB: A0A0E0Y6B3