Detailed information of TA system    

insolicoBioinformatically predicted

Overview

TA module


Type II Classification (family/domain) ccdAB/CcdA(antitoxin)
Location 51813..52338 Replicon plasmid pO157
Accession NZ_CP017443
Organism Escherichia coli O157:H7 strain 4276

Toxin (Protein)


Gene name ccdB Uniprot ID V0SSI5
Locus tag A4C51_RS27830 Protein ID WP_001159868.1
Coordinates 52033..52338 (+) Length 102 a.a.

Antitoxin (Protein)


Gene name ccdA Uniprot ID S1PPD8
Locus tag A4C51_RS27825 Protein ID WP_000813634.1
Coordinates 51813..52031 (+) Length 73 a.a.

Genomic Context

Locus tag Coordinates Strand Size (bp) Protein ID Product Description
A4C51_RS30455 47096..47326 + 231 WP_010891288.1 hypothetical protein -
A4C51_RS27790 47447..48187 + 741 WP_001066920.1 tyrosine-type recombinase/integrase -
A4C51_RS27795 48472..49449 - 978 WP_000361615.1 RepB family plasmid replication initiator protein -
A4C51_RS27805 49857..50057 - 201 WP_000708307.1 hypothetical protein -
A4C51_RS27810 50054..50674 - 621 WP_001248529.1 hypothetical protein -
A4C51_RS27815 50671..51354 - 684 WP_010891291.1 DNA-binding protein -
A4C51_RS27825 51813..52031 + 219 WP_000813634.1 type II toxin-antitoxin system antitoxin CcdA Antitoxin
A4C51_RS27830 52033..52338 + 306 WP_001159868.1 type II toxin-antitoxin system toxin CcdB Toxin
A4C51_RS27835 52339..53121 + 783 WP_000016988.1 site-specific integrase -
A4C51_RS27850 55528..56694 + 1167 WP_000772446.1 plasmid-partitioning protein SopA -

Associated MGEs

MGE
detail		 Similar
MGEs		 Relative
position		 MGE Type Cargo ARG Virulence gene Coordinates Length (bp)
- inside Non-Mobilizable plasmid - espP / stcE / exeE / exeG / hlyC / hlyA / hlyB / hlyD / toxB 1..92583 92583


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

>T66696 WP_001159868.1 NZ_CP017443:52033-52338 [Escherichia coli O157:H7]
MQFKVYTYKRESRYRLFVDVQSDIIDTPGRRMVIPLASARLLSDKVSRELYPVVHIGDESWRMMTTDMASVPVSVIGEEV
ADLSHRENDIKNAINLMFWGI

Download         Length: 306 bp

>T66696 NZ_CP017443:52033-52338 [Escherichia coli O157:H7]
ATGCAGTTTAAGGTTTACACCTATAAAAGAGAGAGCCGTTATCGTCTGTTTGTGGATGTACAGAGTGATATTATTGACAC
GCCCGGGCGACGGATGGTGATCCCCCTGGCCAGTGCACGTCTGCTGTCAGATAAAGTCTCCCGTGAACTTTACCCGGTGG
TGCATATCGGGGATGAAAGCTGGCGCATGATGACCACCGATATGGCCAGTGTGCCGGTCTCCGTTATCGGGGAAGAAGTG
GCTGATCTCAGCCACCGCGAAAATGACATCAAAAACGCCATTAACCTGATGTTCTGGGGAATATAA

Antitoxin


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

>AT66696 WP_000813634.1 NZ_CP017443:51813-52031 [Escherichia coli O157:H7]
MKQRITVTVDSDSYQLLKAYDVNISGLVSTTMQNEARRLRAERWKAENQEGMAEVARFIEMNGSFADENRDW

Download         Length: 219 bp

>AT66696 NZ_CP017443:51813-52031 [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