Detailed information of TA system    

insolicoBioinformatically predicted

Overview

TA module


Type II Classification (family/domain) ccdAB/CcdA(antitoxin)
Location 70011..70536 Replicon plasmid pKKo003_2
Accession NZ_CP091685
Organism Escherichia coli strain KKo003

Toxin (Protein)


Gene name ccdB Uniprot ID V0SSI5
Locus tag L6L54_RS25160 Protein ID WP_001159868.1
Coordinates 70011..70316 (-) Length 102 a.a.

Antitoxin (Protein)


Gene name ccdA Uniprot ID S1PPD8
Locus tag L6L54_RS25165 Protein ID WP_000813634.1
Coordinates 70318..70536 (-) Length 73 a.a.

Genomic Context

Locus tag Coordinates Strand Size (bp) Protein ID Product Description
L6L54_RS25145 (L6L54_25145) 65921..67087 - 1167 WP_000772446.1 plasmid-partitioning protein SopA -
L6L54_RS25150 (L6L54_25150) 67675..68430 - 756 WP_000852146.1 replication initiation protein RepE -
L6L54_RS25155 (L6L54_25155) 69204..70010 - 807 WP_000016982.1 site-specific integrase -
L6L54_RS25160 (L6L54_25160) 70011..70316 - 306 WP_001159868.1 type II toxin-antitoxin system toxin CcdB Toxin
L6L54_RS25165 (L6L54_25165) 70318..70536 - 219 WP_000813634.1 type II toxin-antitoxin system antitoxin CcdA Antitoxin
L6L54_RS25170 (L6L54_25170) 71103..71615 + 513 WP_000151784.1 hypothetical protein -
L6L54_RS25175 (L6L54_25175) 71649..72782 - 1134 WP_001542067.1 DUF3800 domain-containing protein -
L6L54_RS25180 (L6L54_25180) 72949..73722 - 774 WP_000905949.1 hypothetical protein -
L6L54_RS25185 (L6L54_25185) 73735..74235 - 501 WP_001773886.1 HEPN family nuclease -
L6L54_RS25190 (L6L54_25190) 74500..74730 + 231 WP_001261278.1 type II toxin-antitoxin system VapB family antitoxin -
L6L54_RS25195 (L6L54_25195) 74727..75143 + 417 WP_001034046.1 type II toxin-antitoxin system VapC family toxin -

Associated MGEs

MGE
detail		 Similar
MGEs		 Relative
position		 MGE Type Cargo ARG Virulence gene Coordinates Length (bp)
- inside Non-Mobilizable plasmid sul2 / aph(3'')-Ib / aph(6)-Id / tet(A) / blaTEM-1B senB 1..86532 86532


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

>T234518 WP_001159868.1 NZ_CP091685:c70316-70011 [Escherichia coli]
MQFKVYTYKRESRYRLFVDVQSDIIDTPGRRMVIPLASARLLSDKVSRELYPVVHIGDESWRMMTTDMASVPVSVIGEEV
ADLSHRENDIKNAINLMFWGI

Download         Length: 306 bp

>T234518 NZ_LR130552:2701225-2701332 [Escherichia coli]
ATGACGCTCGCGAAGTTTGCCATGATTTTCTGGCACGACCTGGCAGCACCGATCCTGGCGGGGATTATTACCGCAGCGAT
TGTCGGCTGGTGGCGTAACCGGAAGTAA

Antitoxin


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

>AT234518 WP_000813634.1 NZ_CP091685:c70536-70318 [Escherichia coli]
MKQRITVTVDSDSYQLLKAYDVNISGLVSTTMQNEARRLRAERWKAENQEGMAEVARFIEMNGSFADENRDW

Download         Length: 219 bp

>AT234518 NZ_LR130552:c2701172-2701111 [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