Detailed information of TA system    

insolicoBioinformatically predicted

Overview

TA module


Type II Classification (family/domain) ccdAB/CcdA(antitoxin)
Location 28682..29207 Replicon plasmid pTB21-1
Accession NZ_CP038293
Organism Escherichia coli O157:H7 strain TB21-1

Toxin (Protein)


Gene name ccdB Uniprot ID V0SSI5
Locus tag E4U65_RS27430 Protein ID WP_001159868.1
Coordinates 28902..29207 (+) Length 102 a.a.

Antitoxin (Protein)


Gene name ccdA Uniprot ID S1PPD8
Locus tag E4U65_RS27425 Protein ID WP_000813634.1
Coordinates 28682..28900 (+) Length 73 a.a.

Genomic Context

Locus tag Coordinates Strand Size (bp) Protein ID Product Description
E4U65_RS27395 23965..24195 + 231 WP_010891288.1 hypothetical protein -
E4U65_RS27400 24316..25056 + 741 WP_001066920.1 tyrosine-type recombinase/integrase -
E4U65_RS27405 25341..26318 - 978 WP_000361615.1 RepB family plasmid replication initiator protein -
E4U65_RS27410 26726..26926 - 201 WP_000708307.1 hypothetical protein -
E4U65_RS27415 26923..27543 - 621 WP_001248529.1 hypothetical protein -
E4U65_RS27420 27540..28223 - 684 WP_010891291.1 DNA-binding protein -
E4U65_RS27425 28682..28900 + 219 WP_000813634.1 type II toxin-antitoxin system antitoxin CcdA Antitoxin
E4U65_RS27430 28902..29207 + 306 WP_001159868.1 type II toxin-antitoxin system toxin CcdB Toxin
E4U65_RS27435 29208..30014 + 807 WP_000016989.1 site-specific integrase -
E4U65_RS27445 32026..32781 + 756 WP_000852148.1 replication initiation protein RepE -

Associated MGEs

MGE
detail		 Similar
MGEs		 Relative
position		 MGE Type Cargo ARG Virulence gene Coordinates Length (bp)
- inside Non-Mobilizable plasmid - stcE / exeE / exeG / hlyC / hlyA / hlyB / hlyD / toxB / espP 1..95611 95611


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

(2-100)

Antitoxin

Post-segregation antitoxin CcdA

(2-72)


Sequences

Toxin        


Download         Length: 102 a.a.        Molecular weight: 11706.51 Da        Isoelectric Point: 6.4674

>T121149 WP_001159868.1 NZ_CP038293:28902-29207 [Escherichia coli O157:H7]
MQFKVYTYKRESRYRLFVDVQSDIIDTPGRRMVIPLASARLLSDKVSRELYPVVHIGDESWRMMTTDMASVPVSVIGEEV
ADLSHRENDIKNAINLMFWGI

Download         Length: 306 bp

>T121149 NZ_CP038293:28902-29207 [Escherichia coli O157:H7]
ATGCAGTTTAAGGTTTACACCTATAAAAGAGAGAGCCGTTATCGTCTGTTTGTGGATGTACAGAGTGATATTATTGACAC
GCCCGGGCGACGGATGGTGATCCCCCTGGCCAGTGCACGTCTGCTGTCAGATAAAGTCTCCCGTGAACTTTACCCGGTGG
TGCATATCGGGGATGAAAGCTGGCGCATGATGACCACCGATATGGCCAGTGTGCCGGTCTCCGTTATCGGGGAAGAAGTG
GCTGATCTCAGCCACCGCGAAAATGACATCAAAAACGCCATTAACCTGATGTTCTGGGGAATATAA

Antitoxin


Download         Length: 73 a.a.        Molecular weight: 8372.34 Da        Isoelectric Point: 4.7405

>AT121149 WP_000813634.1 NZ_CP038293:28682-28900 [Escherichia coli O157:H7]
MKQRITVTVDSDSYQLLKAYDVNISGLVSTTMQNEARRLRAERWKAENQEGMAEVARFIEMNGSFADENRDW

Download         Length: 219 bp

>AT121149 NZ_CP038293:28682-28900 [Escherichia coli O157:H7]
ATGAAGCAGCGTATTACAGTGACAGTTGACAGCGACAGCTATCAGTTGCTCAAGGCATATGATGTCAATATCTCCGGTCT
GGTAAGCACAACCATGCAGAATGAAGCCCGTCGTCTGCGTGCCGAACGCTGGAAAGCGGAAAATCAGGAAGGGATGGCTG
AGGTCGCCCGGTTTATTGAAATGAACGGCTCTTTTGCTGACGAGAACAGGGACTGGTGA

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
PDB 4VUB
PDB 2VUB
PDB 7EPI
PDB 7EPG
PDB 3VUB
PDB 1X75
PDB 1VUB
PDB 7EPJ
PDB 3HPW
PDB 3G7Z

Antitoxin

Source ID Structure
PDB 3TCJ
PDB 2H3A
PDB 2ADN
PDB 2ADL
PDB 3HPW
PDB 2H3C
PDB 3G7Z
AlphaFold DB A0A829CQY2

References