Detailed information of TA system TA064869

Bioinformatically predicted

Overview

TA module

• Type: II
• Classification (family/domain): yafN-yafO (relBE)/YafO-YafN
• Location: 319893..320587
• Replicon: chromosome
• Accession: NZ_CP016625
• Organism: Escherichia coli O157:H7 strain FRIK944

Toxin (Protein)

• Gene name: yafO
• Uniprot ID: C3TNX7
• Locus tag: A9L45_RS01525
• Protein ID: WP_001263495.1
• Coordinates: 320189..320587 (+)
• Length: 133 a.a.

Antitoxin (Protein)

• Gene name: yafN
• Uniprot ID: S1FJN6
• Locus tag: A9L45_RS01520
• Protein ID: WP_000554757.1
• Coordinates: 319893..320186 (+)
• Length: 98 a.a.

Genomic Context

Locus tag	Coordinates	Strand	Size (bp)	Protein ID	Product	Description
A9L45_RS34170	315604..316101	+	498	Protein_281	REP-associated tyrosine transposase RayT	-
A9L45_RS01505	316246..317958	-	1713	Protein_282	flagellar biosynthesis protein FlhA	-
A9L45_RS01510	317930..318715	+	786	WP_000207556.1	putative lateral flagellar export/assembly protein LafU	-
A9L45_RS01515	318786..319841	+	1056	WP_001226186.1	DNA polymerase IV	-
A9L45_RS01520	319893..320186	+	294	WP_000554757.1	type I toxin-antitoxin system antitoxin YafN	Antitoxin
A9L45_RS01525	320189..320587	+	399	WP_001263495.1	type II toxin-antitoxin system mRNA interferase toxin YafO	Toxin
A9L45_RS01530	320597..321049	+	453	WP_001059871.1	GNAT family N-acetyltransferase	-
A9L45_RS01535	321368..321571	+	204	Protein_288	RNA ligase RtcB family protein	-
A9L45_RS01540	321570..322091	+	522	Protein_289	peptide chain release factor H	-
A9L45_RS01545	322148..323605	-	1458	WP_001293009.1	cytosol nonspecific dipeptidase	-
A9L45_RS01550	323866..324324	+	459	WP_001291990.1	xanthine phosphoribosyltransferase	-
-	324920..325000	+	81	NuclAT_11	-	-
-	324920..325000	+	81	NuclAT_11	-	-
-	324920..325000	+	81	NuclAT_11	-	-
-	324920..325000	+	81	NuclAT_11	-	-

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 toxin YafO (27-130)

Antitoxin

No domain identified.

Sequences

Toxin

Protein

• Length: 133 a.a.
• Molecular weight: 15473.86 Da
• Isoelectric Point: 8.0949

>T64869 WP_001263495.1 NZ_CP016625:320189-320587 [Escherichia coli O157:H7]
MRVFKTKLIRLQLTAEELDALTADFISYKRDGVLPDIFGRDALYDDSFTWPLIKFERVAHIHLANVNNPFPPQLRQFSRT
NDESHLVYCQGAFDEQAWLLIAILKPEPHKLARDNNQMHKIGKMAEAFRMRF

Nucleotide

• Length: 399 bp

>T64869 NZ_CP016625:320189-320587 [Escherichia coli O157:H7]
ATGCGGGTATTCAAAACAAAACTTATTCGCCTGCAACTTACAGCAGAGGAGCTTGATGCGTTAACGGCGGATTTTATTTC
CTATAAGCGTGACGGTGTTTTGCCAGATATATTTGGTCGCGATGCACTCTACGACGACTCGTTTACTTGGCCATTAATCA
AATTTGAGCGAGTTGCTCATATTCATCTGGCAAATGTGAATAATCCATTTCCGCCACAGTTGCGCCAATTCAGCAGAACG
AATGACGAATCGCATTTGGTATATTGTCAGGGTGCGTTTGATGAGCAAGCATGGTTGCTCATTGCCATTCTGAAACCTGA
ACCTCATAAACTGGCTCGAGATAACAACCAAATGCATAAAATTGGGAAAATGGCAGAAGCGTTTCGCATGCGTTTTTGA

Antitoxin

Protein

• Length: 98 a.a.
• Molecular weight: 11233.81 Da
• Isoelectric Point: 5.9050

>AT64869 WP_000554757.1 NZ_CP016625:319893-320186 [Escherichia coli O157:H7]
MHRILAEKSVNITELRKNPAKYFIDQPVAVLSNNRPAGYLLSASAFEALMDMLAEQEEKKPIKARFRPSAARLEEITRRA
EKYLNDMTDDDFNDFKE

Nucleotide

• Length: 294 bp

>AT64869 NZ_CP016625:319893-320186 [Escherichia coli O157:H7]
ATGCATCGAATTCTCGCTGAAAAATCGGTCAATATCACTGAATTACGTAAAAACCCAGCTAAATACTTTATTGATCAACC
GGTTGCGGTTCTTTCTAATAATCGCCCCGCAGGATATCTCTTAAGTGCCAGCGCATTCGAAGCGTTAATGGACATGCTTG
CTGAACAAGAGGAGAAAAAGCCCATAAAGGCGCGCTTCCGTCCAAGTGCTGCAAGATTAGAGGAAATTACACGCCGAGCT
GAAAAATATCTTAATGATATGACGGATGATGATTTCAATGACTTTAAGGAATAA

Structures

Antitoxin

• AlphaFold DB: S1FJN6