Detailed information of TA system TA102281

Bioinformatically predicted

Overview

TA module

• Type: II
• Classification (family/domain): yafN-yafO (relBE)/YafO-YafN
• Location: 4426453..4427147
• Replicon: chromosome
• Accession: NZ_CP028650
• Organism: Escherichia coli strain 124

Toxin (Protein)

• Gene name: yafO
• Uniprot ID: C3TNX7
• Locus tag: C9E53_RS22995
• Protein ID: WP_001263495.1
• Coordinates: 4426453..4426851 (-)
• Length: 133 a.a.

Antitoxin (Protein)

• Gene name: yafN
• Uniprot ID: S1FJN6
• Locus tag: C9E53_RS23000
• Protein ID: WP_000554757.1
• Coordinates: 4426854..4427147 (-)
• Length: 98 a.a.

Genomic Context

Locus tag	Coordinates	Strand	Size (bp)	Protein ID	Product	Description
-	4422040..4422120	-	81	NuclAT_12	-	-
-	4422040..4422120	-	81	NuclAT_12	-	-
-	4422040..4422120	-	81	NuclAT_12	-	-
-	4422040..4422120	-	81	NuclAT_12	-	-
C9E53_RS22970	4422716..4423174	-	459	WP_001291990.1	xanthine phosphoribosyltransferase	-
C9E53_RS22975	4423435..4424892	+	1458	WP_001293009.1	cytosol nonspecific dipeptidase	-
C9E53_RS22980	4424949..4425470	-	522	Protein_4369	peptide chain release factor H	-
C9E53_RS22985	4425469..4425672	-	204	Protein_4370	RNA ligase RtcB family protein	-
C9E53_RS22990	4425991..4426443	-	453	WP_001059871.1	GNAT family N-acetyltransferase	-
C9E53_RS22995	4426453..4426851	-	399	WP_001263495.1	type II toxin-antitoxin system mRNA interferase toxin YafO	Toxin
C9E53_RS23000	4426854..4427147	-	294	WP_000554757.1	type I toxin-antitoxin system antitoxin YafN	Antitoxin
C9E53_RS23005	4427199..4428254	-	1056	WP_001226188.1	DNA polymerase IV	-
C9E53_RS23010	4428325..4429110	-	786	WP_000207556.1	putative lateral flagellar export/assembly protein LafU	-
C9E53_RS23015	4429082..4430794	+	1713	Protein_4376	flagellar biosynthesis protein FlhA	-
C9E53_RS23020	4430939..4431436	-	498	Protein_4377	REP-associated tyrosine transposase RayT	-

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

>T102281 WP_001263495.1 NZ_CP028650:c4426851-4426453 [Escherichia coli]
MRVFKTKLIRLQLTAEELDALTADFISYKRDGVLPDIFGRDALYDDSFTWPLIKFERVAHIHLANVNNPFPPQLRQFSRT
NDESHLVYCQGAFDEQAWLLIAILKPEPHKLARDNNQMHKIGKMAEAFRMRF

Nucleotide

• Length: 399 bp

>T102281 NZ_CP028650:c4426851-4426453 [Escherichia coli]
ATGCGGGTATTCAAAACAAAACTTATTCGCCTGCAACTTACAGCAGAGGAGCTTGATGCGTTAACGGCGGATTTTATTTC
CTATAAGCGTGACGGTGTTTTGCCAGATATATTTGGTCGCGATGCACTCTACGACGACTCGTTTACTTGGCCATTAATCA
AATTTGAGCGAGTTGCTCATATTCATCTGGCAAATGTGAATAATCCATTTCCGCCACAGTTGCGCCAATTCAGCAGAACG
AATGACGAATCGCATTTGGTATATTGTCAGGGTGCGTTTGATGAGCAAGCATGGTTGCTCATTGCCATTCTGAAACCTGA
ACCTCATAAACTGGCTCGAGATAACAACCAAATGCATAAAATTGGGAAAATGGCAGAAGCGTTTCGCATGCGTTTTTGA

Antitoxin

Protein

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

>AT102281 WP_000554757.1 NZ_CP028650:c4427147-4426854 [Escherichia coli]
MHRILAEKSVNITELRKNPAKYFIDQPVAVLSNNRPAGYLLSASAFEALMDMLAEQEEKKPIKARFRPSAARLEEITRRA
EKYLNDMTDDDFNDFKE

Nucleotide

• Length: 294 bp

>AT102281 NZ_CP028650:c4427147-4426854 [Escherichia coli]
ATGCATCGAATTCTCGCTGAAAAATCGGTCAATATCACTGAATTACGTAAAAACCCAGCTAAATACTTTATTGATCAACC
GGTTGCGGTTCTTTCTAATAATCGCCCCGCAGGATATCTCTTAAGTGCCAGCGCATTCGAAGCGTTAATGGACATGCTTG
CTGAACAAGAGGAGAAAAAGCCCATAAAGGCGCGCTTCCGTCCAAGTGCTGCAAGATTAGAGGAAATTACACGCCGAGCT
GAAAAATATCTTAATGATATGACGGATGATGATTTCAATGACTTTAAGGAATAA

Structures

Antitoxin

• AlphaFold DB: S1FJN6