Detailed information of TA system TA122307

Bioinformatically predicted

Overview

TA module

• Type: II
• Classification (family/domain): DinJ-YafQ (relBE)/YafQ-RelB
• Location: 4278143..4278684
• Replicon: chromosome
• Accession: NZ_CP038389
• Organism: Escherichia coli O157:H7 strain DEC5B

Toxin (Protein)

• Gene name: yafQ
• Uniprot ID: S1FHQ9
• Locus tag: E3156_RS21140
• Protein ID: WP_000615979.1
• Coordinates: 4278406..4278684 (+)
• Length: 93 a.a.

Antitoxin (Protein)

• Gene name: dinJ
• Uniprot ID: C3TP07
• Locus tag: E3156_RS21135
• Protein ID: WP_000729705.1
• Coordinates: 4278143..4278403 (+)
• Length: 87 a.a.

Genomic Context

Locus tag	Coordinates	Strand	Size (bp)	Protein ID	Product	Description
E3156_RS21115	4273809..4274594	-	786	WP_000207556.1	putative lateral flagellar export/assembly protein LafU	-
E3156_RS21120	4274539..4276278	+	1740	WP_001301901.1	flagellar biosynthesis protein FlhA	-
E3156_RS21125	4276511..4277008	-	498	Protein_4139	REP-associated tyrosine transposase RayT	-
E3156_RS21130	4277184..4277957	-	774	WP_000543889.1	C40 family peptidase	-
E3156_RS21135	4278143..4278403	+	261	WP_000729705.1	type II toxin-antitoxin system antitoxin DinJ	Antitoxin
E3156_RS21140	4278406..4278684	+	279	WP_000615979.1	type II toxin-antitoxin system mRNA interferase toxin YafQ	Toxin
E3156_RS21145	4278840..4279580	+	741	WP_001225679.1	murein L,D-transpeptidase	-
E3156_RS21150	4279551..4280318	-	768	WP_001301698.1	class II glutamine amidotransferase	-
E3156_RS21155	4280423..4281001	-	579	WP_000284050.1	D-sedoheptulose 7-phosphate isomerase	-

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

• Toxin-antitoxin system, YafQ-like toxin (1-91)

Antitoxin

• RelB antitoxin/Antitoxin DinJ (1-85)

Sequences

Toxin

Protein

• Length: 93 a.a.
• Molecular weight: 10830.62 Da
• Isoelectric Point: 10.0702

>T122307 WP_000615979.1 NZ_CP038389:4278406-4278684 [Escherichia coli O157:H7]
MIQRDIEYSGQFSKDVKLAQKRHKDMNKLKYLMTLLINNTLPLPAVYKDHPLQGSWKGYRDAHVEPDWILIYKLTDKLLR
FERTGTHAALFG

Nucleotide

• Length: 279 bp

>T122307 NZ_CP038389:4278406-4278684 [Escherichia coli O157:H7]
ATGATTCAAAGGGATATTGAATACTCGGGACAATTTTCAAAGGATGTAAAACTTGCACAAAAGCGTCATAAGGATATGAA
TAAATTGAAATATCTTATGACGCTTCTTATCAATAATACTTTACCGCTTCCAGCTGTTTATAAAGACCACCCGCTGCAAG
GTTCATGGAAAGGTTATCGCGATGCTCATGTCGAACCGGACTGGATCCTGATTTACAAACTTACCGATAAACTTTTACGA
TTTGAGAGAACTGGAACTCACGCGGCGCTCTTTGGGTAA

Antitoxin

Protein

• Length: 87 a.a.
• Molecular weight: 9377.74 Da
• Isoelectric Point: 5.0758

>AT122307 WP_000729705.1 NZ_CP038389:4278143-4278403 [Escherichia coli O157:H7]
MAANAFVRARIDEDLKNQAADVLAGMGLTISDLVRITLTKVAREKALPFDLREPNQLTIQSIKNSEAGVDVHKAKDADDL
FDKLGV

Nucleotide

• Length: 261 bp

>AT122307 NZ_CP038389:4278143-4278403 [Escherichia coli O157:H7]
ATGGCTGCTAACGCATTTGTTCGCGCCCGAATCGATGAAGATCTGAAGAATCAGGCGGCGGACGTACTGGCCGGGATGGG
GCTGACCATCTCTGACCTGGTTCGCATAACCCTCACAAAGGTCGCGCGTGAAAAGGCATTGCCGTTTGATTTACGCGAGC
CTAATCAATTAACCATTCAATCAATCAAAAACAGCGAAGCTGGCGTTGATGTTCATAAGGCCAAAGACGCCGATGATTTA
TTTGATAAATTAGGAGTTTAA

Structures

Toxin

• AlphaFold DB: S1FHQ9