Detailed information of TA system    

insolicoBioinformatically predicted

Overview


TA module


Type II Classification (family/domain) ccdAB/CcdA(antitoxin)
Location 4723694..4724244 Replicon chromosome
Accession NZ_CP038363
Organism Escherichia coli O157:H7 strain F7349

Toxin (Protein)


Gene name ccdB Uniprot ID D3H432
Locus tag E4U70_RS23605 Protein ID WP_001160975.1
Coordinates 4723694..4724008 (-) Length 105 a.a.

Antitoxin (Protein)


Gene name ccdA Uniprot ID V0VEX8
Locus tag E4U70_RS23610 Protein ID WP_000125566.1
Coordinates 4724011..4724244 (-) Length 78 a.a.

Genomic Context


Locus tag Coordinates Strand Size (bp) Protein ID Product Description
E4U70_RS23580 4719369..4720655 + 1287 WP_000800457.1 peptidylprolyl isomerase SurA -
E4U70_RS23585 4720655..4721644 + 990 WP_000241259.1 4-hydroxythreonine-4-phosphate dehydrogenase PdxA -
E4U70_RS23590 4721641..4722462 + 822 WP_001065380.1 16S rRNA (adenine(1518)-N(6)/adenine(1519)-N(6))- dimethyltransferase RsmA -
E4U70_RS23595 4722465..4722842 + 378 WP_000610901.1 Co2+/Mg2+ efflux protein ApaG -
E4U70_RS23600 4722849..4723697 + 849 WP_000257187.1 bis(5'-nucleosyl)-tetraphosphatase (symmetrical) ApaH -
E4U70_RS23605 4723694..4724008 - 315 WP_001160975.1 CcdB family protein Toxin
E4U70_RS23610 4724011..4724244 - 234 WP_000125566.1 type II toxin-antitoxin system CcdA family antitoxin Antitoxin
E4U70_RS23615 4724330..4724809 - 480 WP_000624372.1 type 3 dihydrofolate reductase -
E4U70_RS23620 4725001..4726863 - 1863 WP_000377184.1 glutathione-regulated potassium-efflux system protein KefC -
E4U70_RS23625 4726856..4727386 - 531 WP_000600700.1 glutathione-regulated potassium-efflux system oxidoreductase KefF -
E4U70_RS23630 4727494..4728825 - 1332 WP_001183177.1 MFS transporter -
E4U70_RS23635 4728883..4729170 - 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

(2-103)

Antitoxin

(8-77)


Sequences


Toxin        


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

>T122004 WP_001160975.1 NZ_CP038363:c4724008-4723694 [Escherichia coli O157:H7]
MQFTVYRSRSRNAAFPFVIDVTSDIIGVINRRIVIPLTPIERFSRIRPPERLNPILLLVDGKEYVLMTHETATVPVNALG
TKFCDASAHRTLIKGALDFMLDGI

Download         Length: 315 bp

>T122004 NZ_CP038363:c4724008-4723694 [Escherichia coli O157:H7]
ATGCAATTTACGGTATACCGCAGTCGCAGCAGGAACGCCGCGTTTCCCTTTGTTATCGATGTTACCAGCGACATTATTGG
TGTGATTAATCGCCGTATTGTTATTCCATTAACACCTATTGAACGATTTAGCCGTATTCGCCCACCAGAACGGCTTAACC
CAATCCTTTTACTGGTAGACGGCAAAGAATATGTGCTCATGACGCATGAGACTGCAACTGTTCCAGTTAACGCGCTGGGA
ACGAAATTTTGCGATGCCAGCGCGCACCGAACGTTGATTAAAGGAGCATTAGATTTTATGCTCGACGGGATTTAA

Antitoxin


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

>AT122004 WP_000125566.1 NZ_CP038363:c4724244-4724011 [Escherichia coli O157:H7]
MTAKRTTQSVTVTVDRELVNRARDAGLNMSATLTVALNAELKKHAATRWREENAEAIAALNQLADETGCFSDEYRSF

Download         Length: 234 bp

>AT122004 NZ_CP038363:c4724244-4724011 [Escherichia coli O157:H7]
ATGACTGCAAAACGTACCACACAAAGTGTGACCGTCACCGTCGACCGTGAGTTAGTCAATCGCGCTCGTGATGCAGGCTT
AAATATGAGCGCCACCCTTACGGTTGCGCTCAATGCTGAACTTAAAAAACATGCAGCAACACGTTGGCGTGAAGAGAACG
CTGAAGCTATCGCTGCGTTAAATCAATTGGCTGATGAAACCGGATGTTTCTCTGATGAGTACCGGAGCTTCTAG

Similar Proteins


Only experimentally validated proteins are listed.

Protein Organism Identities (%) Coverage (%) Ha-value
Protein Organism Identities (%) Coverage (%) Ha-value

Structures


Toxin

Source ID Structure


Antitoxin

Source ID Structure
AlphaFold DB A0A7U9LTM9

References