Detailed information of TA system TA175385

Bioinformatically predicted

Overview

TA module

• Type: II
• Classification (family/domain): ccdAB/CcdA(antitoxin)
• Location: 4685866..4686416
• Replicon: chromosome
• Accession: NZ_CP062700
• Organism: Escherichia coli O157:H7 strain Z1835

Toxin (Protein)

• Gene name: ccdB
• Uniprot ID: D3H432
• Locus tag: ILQ63_RS23570
• Protein ID: WP_001160975.1
• Coordinates: 4685866..4686180 (-)
• Length: 105 a.a.

Antitoxin (Protein)

• Gene name: ccdA
• Uniprot ID: V0VEX8
• Locus tag: ILQ63_RS23575
• Protein ID: WP_000125566.1
• Coordinates: 4686183..4686416 (-)
• Length: 78 a.a.

Genomic Context

Locus tag	Coordinates	Strand	Size (bp)	Protein ID	Product	Description
ILQ63_RS23545	4681541..4682827	+	1287	WP_000800457.1	peptidylprolyl isomerase SurA	-
ILQ63_RS23550	4682827..4683816	+	990	WP_000241259.1	4-hydroxythreonine-4-phosphate dehydrogenase PdxA	-
ILQ63_RS23555	4683813..4684634	+	822	WP_001065380.1	16S rRNA (adenine(1518)-N(6)/adenine(1519)-N(6))- dimethyltransferase RsmA	-
ILQ63_RS23560	4684637..4685014	+	378	WP_000610901.1	Co2+/Mg2+ efflux protein ApaG	-
ILQ63_RS23565	4685021..4685869	+	849	WP_000257187.1	bis(5'-nucleosyl)-tetraphosphatase (symmetrical) ApaH	-
ILQ63_RS23570	4685866..4686180	-	315	WP_001160975.1	CcdB family protein	Toxin
ILQ63_RS23575	4686183..4686416	-	234	WP_000125566.1	type II toxin-antitoxin system CcdA family antitoxin	Antitoxin
ILQ63_RS23580	4686502..4686981	-	480	WP_000624372.1	type 3 dihydrofolate reductase	-
ILQ63_RS23585	4687173..4689035	-	1863	WP_000377184.1	glutathione-regulated potassium-efflux system protein KefC	-
ILQ63_RS23590	4689028..4689558	-	531	WP_000600700.1	glutathione-regulated potassium-efflux system oxidoreductase KefF	-
ILQ63_RS23595	4689666..4690997	-	1332	WP_001183178.1	MFS transporter	-
ILQ63_RS23600	4691055..4691342	-	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

>T175385 WP_001160975.1 NZ_CP062700:c4686180-4685866 [Escherichia coli O157:H7]
MQFTVYRSRSRNAAFPFVIDVTSDIIGVINRRIVIPLTPIERFSRIRPPERLNPILLLVDGKEYVLMTHETATVPVNALG
TKFCDASAHRTLIKGALDFMLDGI

Nucleotide

• Length: 315 bp

>T175385 NZ_CP081895:c1731886-1731533 [Klebsiella quasipneumoniae]
ATGTGGACAATTAAAACAACGGATACGTTTGATCGCTGGTTTGCCTCGCTCAGCGATACCGACAGGGTCAGCATGCTTGC
AGCACTGCTGGTCCTGCGGGAAAAGGGACCAGGTTTGTCCAGACCTTATGCCGATACGGTCAGAGGTTCCCGCTACAGCA
ACATGAAAGAGCTACGTATTCAGAGTCGGGGCGCTCCGATACGGGCGTTTTTCGCTTTTGACCCGACCCGTACCGGCATT
GTGCTTTGTGCCGGAAATAAGGTCGGCAATGAAAAACGTTTTTACGATGAGATGCTCCCTGTTGCTGACAGGGAATTCAC
GAACTGGCTGAACACATTAAAAGAGAAGGAGTAA

Antitoxin

Protein

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

>AT175385 WP_000125566.1 NZ_CP062700:c4686416-4686183 [Escherichia coli O157:H7]
MTAKRTTQSVTVTVDRELVNRARDAGLNMSATLTVALNAELKKHAATRWREENAEAIAALNQLADETGCFSDEYRSF

Nucleotide

• Length: 234 bp

>AT175385 NZ_CP081895:c1731528-1731226 [Klebsiella quasipneumoniae]
ATGGGCAGAACGCTGGAACAGCTTATTGCGGATGAAAAACCTGAAGTCGTGGCCGAAGCTCAGGCGATGGCGACGGACAT
ACTGCTCAACATTCACCTTGCCGAACTGCGTGAGAAAGTACAGAAAACGCAGGTGGAGATGGCACAGGCGCTGGGCATCA
GGCAACCTACCGTTGCAGGAATGGAAAAACCAGGGCGCGATCTGAAGCTTTCCACTCTCAAACGCTACGTTGAAGCGACT
GGCGGCAAGCTACGTCTTGATGTTGAACTGCCGGATGGTTCTCACTACGGATTTGTACTGTAA

Structures

Antitoxin

• AlphaFold DB: A0A7U9LTM9