Detailed information of TA system    

insolicoBioinformatically predicted

Overview

TA module


Type II Classification (family/domain) ccdAB/CcdA(antitoxin)
Location 64686..65211 Replicon plasmid pCFSAN059541
Accession NZ_CP040571
Organism Escherichia coli O157:H7 strain ECP17-1298

Toxin (Protein)


Gene name ccdB Uniprot ID V0SSI5
Locus tag FGA23_RS28060 Protein ID WP_001159868.1
Coordinates 64906..65211 (+) Length 102 a.a.

Antitoxin (Protein)


Gene name ccdA Uniprot ID S1PPD8
Locus tag FGA23_RS28055 Protein ID WP_000813634.1
Coordinates 64686..64904 (+) Length 73 a.a.

Genomic Context

Locus tag Coordinates Strand Size (bp) Protein ID Product Description
FGA23_RS28020 59969..60199 + 231 WP_010891288.1 hypothetical protein -
FGA23_RS28025 60320..61060 + 741 WP_001066920.1 tyrosine-type recombinase/integrase -
FGA23_RS28030 61345..62322 - 978 WP_000361615.1 RepB family plasmid replication initiator protein -
FGA23_RS28040 62730..62930 - 201 WP_000708307.1 hypothetical protein -
FGA23_RS28045 62927..63547 - 621 WP_001248529.1 hypothetical protein -
FGA23_RS28050 63544..64227 - 684 WP_010891291.1 DNA-binding protein -
FGA23_RS28055 64686..64904 + 219 WP_000813634.1 type II toxin-antitoxin system antitoxin CcdA Antitoxin
FGA23_RS28060 64906..65211 + 306 WP_001159868.1 type II toxin-antitoxin system toxin CcdB Toxin
FGA23_RS28065 65212..66018 + 807 WP_000016989.1 site-specific integrase -
FGA23_RS28080 67916..68254 + 339 WP_071525396.1 RepB family plasmid replication initiator protein -
FGA23_RS28085 68842..70008 + 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 - toxB / espP / stcE / exeE / exeG / hlyC / hlyA / hlyB / hlyD 1..92763 92763


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

>T126067 WP_001159868.1 NZ_CP040571:64906-65211 [Escherichia coli O157:H7]
MQFKVYTYKRESRYRLFVDVQSDIIDTPGRRMVIPLASARLLSDKVSRELYPVVHIGDESWRMMTTDMASVPVSVIGEEV
ADLSHRENDIKNAINLMFWGI

Download         Length: 306 bp

>T126067 NZ_CP040571:64906-65211 [Escherichia coli O157:H7]
ATGCAGTTTAAGGTTTACACCTATAAAAGAGAGAGCCGTTATCGTCTGTTTGTGGATGTACAGAGTGATATTATTGACAC
GCCCGGGCGACGGATGGTGATCCCCCTGGCCAGTGCACGTCTGCTGTCAGATAAAGTCTCCCGTGAACTTTACCCGGTGG
TGCATATCGGGGATGAAAGCTGGCGCATGATGACCACCGATATGGCCAGTGTGCCGGTCTCCGTTATCGGGGAAGAAGTG
GCTGATCTCAGCCACCGCGAAAATGACATCAAAAACGCCATTAACCTGATGTTCTGGGGAATATAA

Antitoxin


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

>AT126067 WP_000813634.1 NZ_CP040571:64686-64904 [Escherichia coli O157:H7]
MKQRITVTVDSDSYQLLKAYDVNISGLVSTTMQNEARRLRAERWKAENQEGMAEVARFIEMNGSFADENRDW

Download         Length: 219 bp

>AT126067 NZ_CP040571:64686-64904 [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