Detailed information of TA system TA175459

Bioinformatically predicted

Overview

TA module

• Type: II
• Classification (family/domain): ccdAB/CcdA(antitoxin)
• Location: 4712975..4713525
• Replicon: chromosome
• Accession: NZ_CP062705
• Organism: Escherichia coli O157:H7 strain Z1833

Toxin (Protein)

• Gene name: ccdB
• Uniprot ID: D3H432
• Locus tag: ILQ61_RS23640
• Protein ID: WP_001160975.1
• Coordinates: 4712975..4713289 (-)
• Length: 105 a.a.

Antitoxin (Protein)

• Gene name: ccdA
• Uniprot ID: V0VEX8
• Locus tag: ILQ61_RS23645
• Protein ID: WP_000125566.1
• Coordinates: 4713292..4713525 (-)
• Length: 78 a.a.

Genomic Context

Locus tag	Coordinates	Strand	Size (bp)	Protein ID	Product	Description
ILQ61_RS23615	4708650..4709936	+	1287	WP_000800457.1	peptidylprolyl isomerase SurA	-
ILQ61_RS23620	4709936..4710925	+	990	WP_206338697.1	4-hydroxythreonine-4-phosphate dehydrogenase PdxA	-
ILQ61_RS23625	4710922..4711743	+	822	WP_001065380.1	16S rRNA (adenine(1518)-N(6)/adenine(1519)-N(6))- dimethyltransferase RsmA	-
ILQ61_RS23630	4711746..4712123	+	378	WP_000610901.1	Co2+/Mg2+ efflux protein ApaG	-
ILQ61_RS23635	4712130..4712978	+	849	WP_000257187.1	bis(5'-nucleosyl)-tetraphosphatase (symmetrical) ApaH	-
ILQ61_RS23640	4712975..4713289	-	315	WP_001160975.1	CcdB family protein	Toxin
ILQ61_RS23645	4713292..4713525	-	234	WP_000125566.1	type II toxin-antitoxin system CcdA family antitoxin	Antitoxin
ILQ61_RS23650	4713611..4714090	-	480	WP_000624372.1	type 3 dihydrofolate reductase	-
ILQ61_RS23655	4714282..4716144	-	1863	WP_000377184.1	glutathione-regulated potassium-efflux system protein KefC	-
ILQ61_RS23660	4716137..4716667	-	531	WP_000600700.1	glutathione-regulated potassium-efflux system oxidoreductase KefF	-
ILQ61_RS23665	4716775..4718106	-	1332	WP_001183177.1	MFS transporter	-
ILQ61_RS23670	4718164..4718451	-	288	WP_000203741.1	ferredoxin-like protein FixX	-

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 CcdB (2-103)

Antitoxin

• Post-segregation antitoxin CcdA (8-77)

Sequences

Toxin

Protein

• Length: 105 a.a.
• Molecular weight: 11711.76 Da
• Isoelectric Point: 9.8517

>T175459 WP_001160975.1 NZ_CP062705:c4713289-4712975 [Escherichia coli O157:H7]
MQFTVYRSRSRNAAFPFVIDVTSDIIGVINRRIVIPLTPIERFSRIRPPERLNPILLLVDGKEYVLMTHETATVPVNALG
TKFCDASAHRTLIKGALDFMLDGI

Nucleotide

• Length: 315 bp

>T175459 NZ_CP082001:c2802227-2800905 [Klebsiella pneumoniae]
ATGGCGACGCTTACCACCTGGATGAACAATGTGCGCGTGGGAACCTTAACCCGCCAGGCTAACGGGGCGCACAGTTTTCG
CTATGACGAAGAGTGGCTGCGCAGCCCGCGCGCCAGACCGCTCTCCCTCTCACTGCCGCTGCAGTATGGCAATATCACTG
CCGACGCGGTGTATCACTATTTTGATAACCTGCTGCCCGACAGCCCGCAGGTCCGCGACCGGATCGTCAGGCGCTATCAG
GCGCGCTCGAAGCAGCCGTTCGATCTGCTGGCCGAAGTCGGGCGGGATAGCGTAGGGGCGGTGACCCTCCTGCCGCCGGG
GGAAGAGGCGCACCTGGAAGGATTACGCTGGCAGACGCTGGACGAGGCGCAGCTCACCGCTTTGCTGACCGCTTACCAGT
CGGATATCCCCCTCGGGATGATTACCAGCCAGGACGATTTCCGTATCTCGGTGGCCGGCGCCCAGGAGAAAACGGCGCTG
CTGCGGATGGGCGAGCAGTGGTGTATTCCGCAGGGCGCCACGCCGACCACGCATATCATTAAGCTGCCCATCGGCGAGAT
CAAGCAGCCCAATGCGACGCTGGATCTGCGTGAAAGCGTGGATAATGAGTATCTGTGCCTGGCGCTGGCCAGAGAACTGG
GCCTGGCGGTGCCGGAAGCGGAGATCATCACCACCCCGCGGATCCGCGCCCTGGCGGTAACCCGCTTCGACCGGCGCTGG
GCGCAGGAGGGACGGGTGCTGCTGCGTCTGCCGCAGGAGGATCTGTGTCAGGCTTTTGGTCTTCCTTCAGCGATGAAATA
TGAGTCTGACGGCGGGCCGGGTATCGCCGCGATCATGACCTTTCTGCTGGGCTCGAGTGAAGCGCTGAAAGATCGCTATG
ACTTTATGAAGTTCATGGTCTTCCAGTGGCTGACGGGGGCGACGGACGGTCACGCAAAAAACTTCTCAATTTACCTGTTG
CCCGGCGGCAGCTACCGCTTAACACCGTTCTACGACATTATTTCGGCGTTTCCGGTGCTGGGCGGCACGGGACTGCATCT
GCGCGATCTGAAGCTGTCGATGGGGCTCAATGCCACAAAAGGGCGTAAAACAGAGATTAACGCCATCTATCCGCGTCATT
TTCTGGCGACGGCCAAAGCGGTGAACTTTCCCCTGGAGCAGATGCTGGCGATCCTCCAGGAGTTTGCCGGGCATGTGCCG
CAGGCAATCGAAAGCGCTCGCCGGACGCTGCCGGCGGACTTTTCCAGCCACGTCTGGCAGGCCATTACAGAGAACATGCT
GAAGCTGCACGCCCGCCTGCAGCAAGGGCTGCAGGCGCTATAG

Antitoxin

Protein

• Length: 78 a.a.
• Molecular weight: 8530.53 Da
• Isoelectric Point: 5.8062

>AT175459 WP_000125566.1 NZ_CP062705:c4713525-4713292 [Escherichia coli O157:H7]
MTAKRTTQSVTVTVDRELVNRARDAGLNMSATLTVALNAELKKHAATRWREENAEAIAALNQLADETGCFSDEYRSF

Nucleotide

• Length: 234 bp

>AT175459 NZ_CP082001:c2802493-2802227 [Klebsiella pneumoniae]
ATGAATTCCCCGCAGATATACAGTCCCGTGCAGCTGGCCAATTACCTGAAGCTGCTGCGCCAGCAGAACCACTGGACCCA
GGATGCGCTGGCCAGGCGGATCGGCATTAAGCAGGCCACGCTGTCCAATTTTGAAAATCACCCCGACAAAACCACCTTAA
CCACGCTGTTTAAGATCCTCCAGTCGCTGGGGGTGGTGATGACGCTGAACGCCAAAGCTGCTGAGACGGCGCCGGCTCCC
GATAACAACACGGACCTTGACTGGTAA

Structures

Antitoxin

• AlphaFold DB: A0A7U9LTM9