Detailed information of TA system TA091741

Bioinformatically predicted

Overview

TA module

• Type: II
• Classification (family/domain): yafN-yafO (relBE)/YafO-YafN
• Location: 295992..296686
• Replicon: chromosome
• Accession: NZ_CP025703
• Organism: Escherichia coli strain BH100N substr. MG2017

Toxin (Protein)

• Gene name: yafO
• Uniprot ID: S1PJQ2
• Locus tag: BH100N_RS01415
• Protein ID: WP_001263500.1
• Coordinates: 296288..296686 (+)
• Length: 133 a.a.

Antitoxin (Protein)

• Gene name: yafN
• Uniprot ID: S1QAE3
• Locus tag: BH100N_RS01410
• Protein ID: WP_000554758.1
• Coordinates: 295992..296285 (+)
• Length: 98 a.a.

Genomic Context

Locus tag	Coordinates	Strand	Size (bp)	Protein ID	Product	Description
BH100N_RS01390	291528..292025	+	498	WP_000006241.1	REP-associated tyrosine transposase RayT	-
BH100N_RS26090	292108..292317	-	210	WP_071778446.1	hypothetical protein	-
BH100N_RS01395	292345..294057	-	1713	Protein_263	flagellar biosynthesis protein FlhA	-
BH100N_RS01400	294029..294814	+	786	WP_000207578.1	putative lateral flagellar export/assembly protein LafU	-
BH100N_RS01405	294885..295940	+	1056	WP_001226168.1	DNA polymerase IV	-
BH100N_RS01410	295992..296285	+	294	WP_000554758.1	type I toxin-antitoxin system antitoxin YafN	Antitoxin
BH100N_RS01415	296288..296686	+	399	WP_001263500.1	type II toxin-antitoxin system mRNA interferase toxin YafO	Toxin
BH100N_RS01420	296696..297148	+	453	WP_001059895.1	GNAT family N-acetyltransferase	-
BH100N_RS01425	297338..298477	+	1140	WP_000521561.1	RNA ligase RtcB family protein	-
BH100N_RS01430	298474..299088	+	615	WP_000602124.1	peptide chain release factor H	-
BH100N_RS01435	299145..300602	-	1458	WP_001292999.1	cytosol nonspecific dipeptidase	-
BH100N_RS01440	300863..301321	+	459	WP_001291991.1	xanthine phosphoribosyltransferase	-

Associated MGEs

MGE detail	Similar MGEs	Relative position	MGE Type	Cargo ARG	Virulence gene	Coordinates	Length (bp)
	-	inside	Genomic island	-	gmhA/lpcA	276467..297148	20681

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: 15413.85 Da
• Isoelectric Point: 8.9511

>T91741 WP_001263500.1 NZ_CP025703:296288-296686 [Escherichia coli]
MRVFKTKLIRLQLTAEELEALTADFISYKRDGVLPDIFGRDALYDDSFTWPLIKFERVAHIHLANVNNPFPPQLRQFSRT
NDAAHLVYCQGAFDEQAWLLIAILKPEPHKLARDNNQMHKIGKMAEAFRMRF

Nucleotide

• Length: 399 bp

>T91741 NZ_CP025703:296288-296686 [Escherichia coli]
ATGCGGGTATTCAAAACAAAACTTATTCGCCTGCAACTTACAGCAGAGGAACTTGAAGCGTTAACGGCGGATTTTATTTC
CTATAAGCGTGACGGTGTTTTGCCAGATATATTTGGTCGTGATGCACTCTACGACGACTCGTTTACCTGGCCATTAATCA
AATTTGAGCGAGTTGCTCATATTCATCTGGCAAATGTGAATAATCCATTTCCGCCACAGTTGCGCCAATTCAGCAGAACG
AATGACGCAGCGCATTTGGTATATTGTCAGGGCGCGTTTGATGAGCAAGCATGGTTGCTCATTGCCATTCTGAAACCTGA
ACCTCATAAACTGGCTCGAGATAACAACCAAATGCATAAAATTGGGAAAATGGCAGAAGCGTTTCGCATGCGTTTTTGA

Antitoxin

Protein

• Length: 98 a.a.
• Molecular weight: 11233.76 Da
• Isoelectric Point: 5.2170

>AT91741 WP_000554758.1 NZ_CP025703:295992-296285 [Escherichia coli]
MHRILAEKSVNITELRKNPAKYFIDQPVAVLSNNRPAGYLLSASAFEALMDMLAEQEEKKPIKARFRPSAARLEEITRRA
EQYLNDMTDDDFNDFKE

Nucleotide

• Length: 294 bp

>AT91741 NZ_CP025703:295992-296285 [Escherichia coli]
ATGCATCGAATTCTCGCTGAAAAATCGGTCAATATCACTGAGTTACGTAAAAACCCAGCTAAATACTTTATTGATCAACC
TGTTGCGGTTCTTTCTAATAATCGCCCCGCAGGATATCTCTTAAGTGCCAGCGCATTTGAAGCATTAATGGACATGCTTG
CAGAACAAGAGGAGAAAAAGCCCATAAAGGCGCGCTTCCGTCCGAGTGCTGCAAGATTAGAGGAAATTACACGCCGCGCT
GAACAATATCTTAATGATATGACGGATGATGATTTCAATGACTTTAAGGAATAA

Structures

Toxin

• AlphaFold DB: S1PJQ2

Antitoxin

• AlphaFold DB: S1QAE3