Detailed information of TA system TA121837

Bioinformatically predicted

Overview

TA module

• Type: II
• Classification (family/domain): prlF-yhaV (relBE)/YhaV-PrlF
• Location: 702432..703231
• Replicon: chromosome
• Accession: NZ_CP038353
• Organism: Escherichia coli O157:H7 strain F8797

Toxin (Protein)

• Gene name: yhaV
• Uniprot ID: V0SSH7
• Locus tag: E4U81_RS03430
• Protein ID: WP_000347273.1
• Coordinates: 702432..702896 (-)
• Length: 155 a.a.

Antitoxin (Protein)

• Gene name: prlF
• Uniprot ID: C3ST72
• Locus tag: E4U81_RS03435
• Protein ID: WP_001302819.1
• Coordinates: 702896..703231 (-)
• Length: 112 a.a.

Genomic Context

Locus tag	Coordinates	Strand	Size (bp)	Protein ID	Product	Description
E4U81_RS03400	697433..697867	-	435	WP_000948831.1	PTS sugar transporter subunit IIA	-
E4U81_RS03405	697885..698763	-	879	WP_001295548.1	PTS system mannose/fructose/sorbose family transporter subunit IID	-
E4U81_RS03410	698753..699532	-	780	WP_000406214.1	PTS mannose/fructose/sorbose/N-acetylgalactosamine transporter subunit IIC	-
E4U81_RS03415	699543..700016	-	474	WP_001301475.1	PTS N-acetylgalactosamine transporter subunit IIB	-
E4U81_RS03420	700039..701319	-	1281	WP_000681927.1	tagatose-bisphosphate aldolase subunit KbaZ	-
E4U81_RS03425	701568..702377	+	810	WP_000072187.1	aga operon transcriptional regulator AgaR	-
E4U81_RS03430	702432..702896	-	465	WP_000347273.1	type II toxin-antitoxin system ribonuclease toxin YhaV	Toxin
E4U81_RS03435	702896..703231	-	336	WP_001302819.1	type II toxin-antitoxin system antitoxin PrlF	Antitoxin
E4U81_RS03440	703380..704951	-	1572	WP_001273776.1	galactarate dehydratase	-
E4U81_RS03445	705326..706660	+	1335	WP_000599636.1	galactarate/glucarate/glycerate transporter GarP	-
E4U81_RS03450	706676..707446	+	771	WP_001058231.1	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

>T121837 WP_000347273.1 NZ_CP038353:c702896-702432 [Escherichia coli O157:H7]
MDFPQRVNGWALYAHPCFQETYDALVAEVETLKGKDPENYQRKAATKLLAVVHKVIEEHITVNPSSPAFRHGKSLGSGKN
KDWSRVKFGAGRYRLFFRYSEKEKVIILGWMNDENTLRTYGKKTDAYTVFSKMLKRGHPPADWETLTRETEETH

Nucleotide

• Length: 465 bp

>T121837 NZ_CP038353:c702896-702432 [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

>AT121837 WP_001302819.1 NZ_CP038353:c703231-702896 [Escherichia coli O157:H7]
MPANARSHAVLTTESKVTIRGQTTIPAPVREALKLKPGQDSIHYEILPGGQVFMCRLGDEQEDHTMNAFLRFLDTDIQNN
PQKTRPFNIQQGKKLVAGMDVNIDDEIGDDE

Nucleotide

• Length: 336 bp

>AT121837 NZ_CP038353:c703231-702896 [Escherichia coli O157:H7]
ATGCCCGCTAATGCTCGCTCTCACGCTGTACTGACCACTGAATCAAAGGTCACGATACGCGGACAAACAACTATCCCCGC
GCCAGTGCGTGAGGCCTTAAAACTGAAGCCAGGCCAGGACAGCATTCATTACGAAATTCTGCCTGGTGGGCAAGTATTTA
TGTGCCGACTGGGAGATGAGCAGGAGGATCATACTATGAATGCATTTTTGCGTTTTCTGGATACAGATATCCAGAACAAC
CCGCAAAAAACTCGTCCATTCAACATTCAACAAGGAAAGAAACTTGTCGCTGGCATGGACGTCAACATTGATGATGAGAT
TGGCGACGACGAATAA

Structures

Toxin

• AlphaFold DB: V0SSH7