Detailed information of TA system TA175571

Bioinformatically predicted

Overview

TA module

• Type: II
• Classification (family/domain): ccdAB/CcdA(antitoxin)
• Location: 4711661..4712211
• Replicon: chromosome
• Accession: NZ_CP062713
• Organism: Escherichia coli O157:H7 strain Z1830

Toxin (Protein)

• Gene name: ccdB
• Uniprot ID: D3H432
• Locus tag: ILQ58_RS23630
• Protein ID: WP_001160975.1
• Coordinates: 4711661..4711975 (-)
• Length: 105 a.a.

Antitoxin (Protein)

• Gene name: ccdA
• Uniprot ID: V0VEX8
• Locus tag: ILQ58_RS23635
• Protein ID: WP_000125566.1
• Coordinates: 4711978..4712211 (-)
• Length: 78 a.a.

Genomic Context

Locus tag	Coordinates	Strand	Size (bp)	Protein ID	Product	Description
ILQ58_RS23605	4707336..4708622	+	1287	WP_000800457.1	peptidylprolyl isomerase SurA	-
ILQ58_RS23610	4708622..4709611	+	990	WP_206338697.1	4-hydroxythreonine-4-phosphate dehydrogenase PdxA	-
ILQ58_RS23615	4709608..4710429	+	822	WP_001065380.1	16S rRNA (adenine(1518)-N(6)/adenine(1519)-N(6))- dimethyltransferase RsmA	-
ILQ58_RS23620	4710432..4710809	+	378	WP_000610901.1	Co2+/Mg2+ efflux protein ApaG	-
ILQ58_RS23625	4710816..4711664	+	849	WP_000257187.1	bis(5'-nucleosyl)-tetraphosphatase (symmetrical) ApaH	-
ILQ58_RS23630	4711661..4711975	-	315	WP_001160975.1	CcdB family protein	Toxin
ILQ58_RS23635	4711978..4712211	-	234	WP_000125566.1	type II toxin-antitoxin system CcdA family antitoxin	Antitoxin
ILQ58_RS23640	4712297..4712776	-	480	WP_000624372.1	type 3 dihydrofolate reductase	-
ILQ58_RS23645	4712968..4714830	-	1863	WP_000377184.1	glutathione-regulated potassium-efflux system protein KefC	-
ILQ58_RS23650	4714823..4715353	-	531	WP_000600700.1	glutathione-regulated potassium-efflux system oxidoreductase KefF	-
ILQ58_RS23655	4715461..4716792	-	1332	WP_001183177.1	MFS transporter	-
ILQ58_RS23660	4716850..4717137	-	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

>T175571 WP_001160975.1 NZ_CP062713:c4711975-4711661 [Escherichia coli O157:H7]
MQFTVYRSRSRNAAFPFVIDVTSDIIGVINRRIVIPLTPIERFSRIRPPERLNPILLLVDGKEYVLMTHETATVPVNALG
TKFCDASAHRTLIKGALDFMLDGI

Nucleotide

• Length: 315 bp

>T175571 NZ_CP082029:c4937857-4937573 [Klebsiella pneumoniae]
ATGACCTATGAACTGGAGTTTGATCCACGAGCCTGGCGCGAATGGCAGAAGCCTGGCGAGACGGTCAAAAAACAGTTCAA
AAATAAGCTCCAGCAGATTGTGCAGAATCCGCGAATTGAGTCGACCAGGCTGAGCGATTTACCGGATTGCTACAAAATCA
AGCTTAAGGCGTCAGGTTATCGGTTGGTGTATCAAGTACGAGATAGTGTGGTGGTGGTTTACGTTATTGCCATTGGCAAA
AGAGAGAAAGCGGCCGTTTATCATCAGGCGAATAAACGGCTCTAA

Antitoxin

Protein

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

>AT175571 WP_000125566.1 NZ_CP062713:c4712211-4711978 [Escherichia coli O157:H7]
MTAKRTTQSVTVTVDRELVNRARDAGLNMSATLTVALNAELKKHAATRWREENAEAIAALNQLADETGCFSDEYRSF

Nucleotide

• Length: 234 bp

>AT175571 NZ_CP082029:c4938089-4937847 [Klebsiella pneumoniae]
ATGGCCACGCTCAATGTTCGACTGGACGATAAACTCAAAAAAGAGGCTTATGCCGTGCTGGAGAAACTCGATATGACACC
AACGGAGGCGGTACGCCTGCTGTTTCAATACATTGCGGAAAATGGCCGCATGCCGGTGAAAAGTATGACCATCAGTGATG
GCGAAGCGGCGTTATTACGCACCGTTCGCGAACGGCTGGAAAACCCACGGCCGGGGGTTAAGGTGAGTCTGGATGACCTA
TGA

Structures

Antitoxin

• AlphaFold DB: A0A7U9LTM9