Detailed information of TA system TA021769

Bioinformatically predicted

Overview

TA module

• Type: II
• Classification (family/domain): higBA (relBE)/HTH(antitoxin)
• Location: 4391090..4391692
• Replicon: chromosome
• Accession: NC_008563
• Organism: Escherichia coli APEC O1

Toxin (Protein)

• Gene name: higB
• Uniprot ID: S1P416
• Locus tag: APECO1_RS22190
• Protein ID: WP_000897302.1
• Coordinates: 4391090..4391401 (+)
• Length: 104 a.a.

Antitoxin (Protein)

• Gene name: higA
• Uniprot ID: -
• Locus tag: APECO1_RS22195
• Protein ID: WP_000356397.1
• Coordinates: 4391402..4391692 (+)
• Length: 97 a.a.

Genomic Context

Locus tag	Coordinates	Strand	Size (bp)	Protein ID	Product	Description
APECO1_RS22165	4387004..4387603	+	600	WP_001314324.1	glucose-1-phosphatase	-
APECO1_RS22170	4387597..4388469	+	873	WP_000920754.1	virulence factor BrkB family protein	-
APECO1_RS22175	4388466..4388903	+	438	WP_000560983.1	D-tyrosyl-tRNA(Tyr) deacylase	-
APECO1_RS22180	4388948..4389889	+	942	WP_001297068.1	fatty acid biosynthesis protein FabY	-
APECO1_RS22185	4389953..4390861	-	909	WP_001331553.1	alpha/beta hydrolase	-
APECO1_RS22190	4391090..4391401	+	312	WP_000897302.1	hypothetical protein	Toxin
APECO1_RS22195	4391402..4391692	+	291	WP_000356397.1	helix-turn-helix domain-containing protein	Antitoxin
APECO1_RS22205	4392051..4392329	+	279	WP_001296612.1	hypothetical protein	-
APECO1_RS22210	4392725..4392943	+	219	WP_001314326.1	ribbon-helix-helix domain-containing protein	-
APECO1_RS22215	4393159..4394088	-	930	WP_000027720.1	formate dehydrogenase accessory protein FdhE	-
APECO1_RS22220	4394085..4394720	-	636	WP_000829013.1	formate dehydrogenase cytochrome b556 subunit	-
APECO1_RS22225	4394717..4395619	-	903	WP_000331377.1	formate dehydrogenase O subunit beta	-

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

No domain identified.

Antitoxin

• Cro/C1-type helix-turn-helix domain (36-85)

Sequences

Toxin

Protein

• Length: 104 a.a.
• Molecular weight: 12203.19 Da
• Isoelectric Point: 9.7791

>T21769 WP_000897302.1 NC_008563:4391090-4391401 [Escherichia coli APEC O1]
MLFIETEIFTEDVQKLLNDDEFSRFQFFLALNPDYGEVIPETGGLRKVRWVSGGKGKRAGVRVIYFHQVKHYEIRLLLIY
RKGIKDDLSPQEKAMLRLLNTRW

Nucleotide

• Length: 312 bp

>T21769 NC_008563:4391090-4391401 [Escherichia coli APEC O1]
ATGCTCTTCATCGAAACGGAAATTTTTACTGAAGATGTTCAAAAACTGCTGAACGACGATGAATTCAGTCGTTTTCAGTT
TTTCCTGGCCTTGAATCCTGACTATGGTGAGGTAATACCTGAAACTGGTGGGTTAAGAAAGGTTCGATGGGTCTCAGGAG
GAAAGGGGAAACGTGCTGGTGTCAGGGTTATTTACTTTCATCAGGTTAAACATTATGAGATCAGATTACTGCTTATTTAT
CGTAAGGGTATTAAAGATGATCTGTCTCCCCAGGAAAAAGCAATGCTCCGGTTGTTAAATACGAGGTGGTAA

Antitoxin

Protein

• Length: 97 a.a.
• Molecular weight: 10846.43 Da
• Isoelectric Point: 10.8907

>AT21769 WP_000356397.1 NC_008563:4391402-4391692 [Escherichia coli APEC O1]
MDKALFERLTHSMAQMNEIIEGTRQPSRTFEVDAMKIKEIRRASGLSQSKFADLISVSVDTLRNWEQGRRSPTGPAKALL
RAIANDPQHVLQALNR

Nucleotide

• Length: 291 bp

>AT21769 NC_008563:4391402-4391692 [Escherichia coli APEC O1]
ATGGATAAGGCACTTTTTGAGCGGTTGACTCACAGCATGGCCCAGATGAATGAAATTATTGAAGGAACGCGACAGCCTTC
ACGGACTTTTGAAGTTGATGCTATGAAAATCAAAGAAATACGCCGCGCTTCAGGGTTGTCACAATCTAAATTTGCCGATC
TTATTTCCGTAAGCGTAGACACGTTGCGTAACTGGGAGCAGGGGCGACGTTCACCGACCGGGCCTGCAAAGGCTTTGCTG
CGAGCGATTGCCAATGATCCGCAACATGTGCTGCAAGCACTTAACCGTTAG

Structures

Toxin

• AlphaFold DB: S1P416