Detailed information of TA system    

insolicoBioinformatically predicted

Overview

TA module


Type II Classification (family/domain) ccdAB/CcdA(antitoxin)
Location 12586..13111 Replicon plasmid pO157
Accession NZ_CP076231
Organism Escherichia coli O157:H7 strain Rafaela_II

Toxin (Protein)


Gene name ccdB Uniprot ID V0SSI5
Locus tag XF37_RS27790 Protein ID WP_001159868.1
Coordinates 12806..13111 (+) Length 102 a.a.

Antitoxin (Protein)


Gene name ccdA Uniprot ID S1PPD8
Locus tag XF37_RS27785 Protein ID WP_000813634.1
Coordinates 12586..12804 (+) Length 73 a.a.

Genomic Context

Locus tag Coordinates Strand Size (bp) Protein ID Product Description
XF37_RS27755 (7869) 7869..8099 + 231 WP_010891288.1 hypothetical protein -
XF37_RS27760 (8220) 8220..8960 + 741 WP_001066920.1 tyrosine-type recombinase/integrase -
XF37_RS27765 (9245) 9245..10222 - 978 WP_000361615.1 RepB family plasmid replication initiator protein -
XF37_RS27770 (10630) 10630..10830 - 201 WP_000708307.1 hypothetical protein -
XF37_RS27775 (10827) 10827..11447 - 621 WP_001248529.1 hypothetical protein -
XF37_RS27780 (11444) 11444..12127 - 684 WP_010891291.1 DNA-binding protein -
XF37_RS27785 (12586) 12586..12804 + 219 WP_000813634.1 type II toxin-antitoxin system antitoxin CcdA Antitoxin
XF37_RS27790 (12806) 12806..13111 + 306 WP_001159868.1 type II toxin-antitoxin system toxin CcdB Toxin
XF37_RS27795 (13112) 13112..13918 + 807 WP_000016989.1 site-specific integrase -
XF37_RS27805 (16371) 16371..17537 + 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 - hlyC / hlyA / hlyB / hlyB / hlyD / toxB / espP / stcE / exeE / exeG 1..94756 94756


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

>T204794 WP_001159868.1 NZ_CP076231:12806-13111 [Escherichia coli O157:H7]
MQFKVYTYKRESRYRLFVDVQSDIIDTPGRRMVIPLASARLLSDKVSRELYPVVHIGDESWRMMTTDMASVPVSVIGEEV
ADLSHRENDIKNAINLMFWGI

Download         Length: 306 bp

>T204794 NZ_CP101251:2609988-2610095 [Escherichia coli]
ATGACGCTCGCGCAGTTTGCCATGATTTTCTGGCACGACCTGGCAGCACCGATCCTGGCGGGAATTATTACCGCAGCGAT
TGTCGGCTGGTGGTGTAACCGGAAGTAA

Antitoxin


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

>AT204794 WP_000813634.1 NZ_CP076231:12586-12804 [Escherichia coli O157:H7]
MKQRITVTVDSDSYQLLKAYDVNISGLVSTTMQNEARRLRAERWKAENQEGMAEVARFIEMNGSFADENRDW

Download         Length: 219 bp

>AT204794 NZ_CP101251:c2609935-2609874 [Escherichia coli]
TGGTTCAAGATTAGCCCCCGTTCTGTTGTCAGGTTTTACCTCTCAACGTGCGGGGGTTTTCT

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