Detailed information of TA system TA121544

Bioinformatically predicted

Overview

TA module

• Type: II
• Classification (family/domain): prlF-yhaV (relBE)/YhaV-PrlF
• Location: 702512..703311
• Replicon: chromosome
• Accession: NZ_CP038333
• Organism: Escherichia coli O157:H7 strain N8B7-2

Toxin (Protein)

• Gene name: yhaV
• Uniprot ID: V0SSH7
• Locus tag: E4U68_RS03435
• Protein ID: WP_000347273.1
• Coordinates: 702512..702976 (-)
• Length: 155 a.a.

Antitoxin (Protein)

• Gene name: prlF
• Uniprot ID: C3ST72
• Locus tag: E4U68_RS03440
• Protein ID: WP_001302819.1
• Coordinates: 702976..703311 (-)
• Length: 112 a.a.

Genomic Context

Locus tag	Coordinates	Strand	Size (bp)	Protein ID	Product	Description
E4U68_RS03405	697513..697947	-	435	WP_000948824.1	PTS sugar transporter subunit IIA	-
E4U68_RS03410	697965..698843	-	879	WP_001295548.1	PTS system mannose/fructose/sorbose family transporter subunit IID	-
E4U68_RS03415	698833..699612	-	780	WP_000406214.1	PTS mannose/fructose/sorbose/N-acetylgalactosamine transporter subunit IIC	-
E4U68_RS03420	699623..700096	-	474	WP_001301475.1	PTS N-acetylgalactosamine transporter subunit IIB	-
E4U68_RS03425	700119..701399	-	1281	WP_000681927.1	tagatose-bisphosphate aldolase subunit KbaZ	-
E4U68_RS03430	701648..702457	+	810	WP_000072187.1	aga operon transcriptional regulator AgaR	-
E4U68_RS03435	702512..702976	-	465	WP_000347273.1	type II toxin-antitoxin system ribonuclease toxin YhaV	Toxin
E4U68_RS03440	702976..703311	-	336	WP_001302819.1	type II toxin-antitoxin system antitoxin PrlF	Antitoxin
E4U68_RS03445	703460..705031	-	1572	WP_001273776.1	galactarate dehydratase	-
E4U68_RS03450	705406..706740	+	1335	WP_000599636.1	galactarate/glucarate/glycerate transporter GarP	-
E4U68_RS03455	706756..707526	+	771	WP_001058227.1	2-dehydro-3-deoxyglucarate aldolase	-

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 endonuclease, YhaV (12-150)

Antitoxin

• PrlF antitoxin (14-110)

Sequences

Toxin

Protein

• Length: 155 a.a.
• Molecular weight: 17836.25 Da
• Isoelectric Point: 9.6924

>T121544 WP_000347273.1 NZ_CP038333:c702976-702512 [Escherichia coli O157:H7]
MDFPQRVNGWALYAHPCFQETYDALVAEVETLKGKDPENYQRKAATKLLAVVHKVIEEHITVNPSSPAFRHGKSLGSGKN
KDWSRVKFGAGRYRLFFRYSEKEKVIILGWMNDENTLRTYGKKTDAYTVFSKMLKRGHPPADWETLTRETEETH

Nucleotide

• Length: 465 bp

>T121544 NZ_CP038333:c702976-702512 [Escherichia coli O157:H7]
ATGGATTTTCCACAAAGGGTTAATGGTTGGGCGCTATATGCTCATCCCTGTTTTCAGGAAACCTACGACGCTTTAGTTGC
CGAAGTCGAGACATTAAAGGGAAAAGATCCTGAAAATTATCAGAGAAAAGCTGCCACAAAGTTATTGGCGGTGGTCCATA
AAGTGATTGAGGAGCATATCACGGTCAATCCATCATCACCGGCATTCCGTCATGGCAAGTCGTTAGGCTCTGGGAAAAAT
AAAGACTGGTCACGGGTAAAATTTGGTGCTGGTCGCTATCGTCTCTTCTTTCGTTACAGTGAAAAAGAGAAAGTCATCAT
TCTGGGATGGATGAACGATGAAAACACGCTGCGCACCTACGGTAAAAAAACAGATGCCTATACCGTATTCAGCAAAATGT
TAAAAAGAGGACATCCTCCTGCCGACTGGGAAACCCTCACCCGAGAGACAGAAGAAACCCATTGA

Antitoxin

Protein

• Length: 112 a.a.
• Molecular weight: 12388.97 Da
• Isoelectric Point: 4.8616

>AT121544 WP_001302819.1 NZ_CP038333:c703311-702976 [Escherichia coli O157:H7]
MPANARSHAVLTTESKVTIRGQTTIPAPVREALKLKPGQDSIHYEILPGGQVFMCRLGDEQEDHTMNAFLRFLDTDIQNN
PQKTRPFNIQQGKKLVAGMDVNIDDEIGDDE

Nucleotide

• Length: 336 bp

>AT121544 NZ_CP038333:c703311-702976 [Escherichia coli O157:H7]
ATGCCCGCTAATGCTCGCTCTCACGCTGTACTGACCACTGAATCAAAGGTCACGATACGCGGACAAACAACTATCCCCGC
GCCAGTGCGTGAGGCCTTAAAACTGAAGCCAGGCCAGGACAGCATTCATTACGAAATTCTGCCTGGTGGGCAAGTATTTA
TGTGCCGACTGGGAGATGAGCAGGAGGATCATACTATGAATGCATTTTTGCGTTTTCTGGATACAGATATCCAGAACAAC
CCGCAAAAAACTCGTCCATTCAACATTCAACAAGGAAAGAAACTTGTCGCTGGCATGGACGTCAACATTGATGATGAGAT
TGGCGACGACGAATAA

Structures

Toxin

• AlphaFold DB: V0SSH7