Detailed information of TA system    

insolicoBioinformatically predicted

Overview

TA module


Type IV Classification (family/domain) cptAB/Cpta(toxin)
Location 842661..843315 Replicon chromosome
Accession NZ_CP097883
Organism Escherichia coli str. K-12 substr. MG1655 strain K-12

Toxin (Protein)


Gene name cptA Uniprot ID S1EEB2
Locus tag NAG71_RS04095 Protein ID WP_000244777.1
Coordinates 842908..843315 (+) Length 136 a.a.

Antitoxin (Protein)


Gene name cptB Uniprot ID S1PPB1
Locus tag NAG71_RS04090 Protein ID WP_000354046.1
Coordinates 842661..842927 (+) Length 89 a.a.

Genomic Context

Locus tag Coordinates Strand Size (bp) Protein ID Product Description
NAG71_RS04065 (837830) 837830..838573 + 744 WP_000951964.1 SDR family oxidoreductase -
NAG71_RS04070 (838630) 838630..840063 - 1434 WP_001336277.1 6-phospho-beta-glucosidase BglA -
NAG71_RS04075 (840108) 840108..840419 + 312 WP_001182957.1 N(4)-acetylcytidine aminohydrolase -
NAG71_RS04080 (840583) 840583..841242 + 660 WP_000250274.1 hemolysin III family protein -
NAG71_RS04085 (841438) 841438..842418 - 981 WP_000886062.1 tRNA-modifying protein YgfZ -
NAG71_RS04090 (842661) 842661..842927 + 267 WP_000354046.1 FAD assembly factor SdhE Antitoxin
NAG71_RS04095 (842908) 842908..843315 + 408 WP_000244777.1 protein YgfX Toxin
NAG71_RS04100 (843355) 843355..843876 - 522 WP_001055874.1 flavodoxin FldB -
NAG71_RS04105 (843988) 843988..844884 + 897 WP_000806638.1 site-specific tyrosine recombinase XerD -
NAG71_RS04110 (844909) 844909..845619 + 711 WP_000715214.1 bifunctional protein-disulfide isomerase/oxidoreductase DsbC -
NAG71_RS04115 (845625) 845625..847358 + 1734 WP_000813200.1 single-stranded-DNA-specific exonuclease RecJ -

Associated MGEs

MGE
detail		 Similar
MGEs		 Relative
position		 MGE Type Cargo ARG Virulence gene Coordinates Length (bp)


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

Inner membrane protein YgfX

(3-131)

Antitoxin

Flavinator of succinate dehydrogenase

(7-79)


Sequences

Toxin        


Download         Length: 136 a.a.        Molecular weight: 16031.96 Da        Isoelectric Point: 11.5202

>T246463 WP_000244777.1 NZ_CP097883:842908-843315 [Escherichia coli str. K-12 substr. MG1655]
VVLWQSDLRVSWRAQWLSLLIHGLVAAVILLMPWPLSYTPLWMVLLSLVVFDCVRSQRRINARQGEIRLLMDGRLRWQGQ
EWSIVKAPWMIKSGMMLRLRSDGGKRQHLWLAADSMDEAEWRDLRRILLQQETQR

Download         Length: 408 bp

Antitoxin


Download         Length: 89 a.a.        Molecular weight: 10547.12 Da        Isoelectric Point: 5.1599

>AT246463 WP_000354046.1 NZ_CP097883:842661-842927 [Escherichia coli str. K-12 substr. MG1655]
MDINNKARIHWACRRGMRELDISIMPFFEHEYDSLSDDEKRIFIRLLECDDPDLFNWLMNHGKPADAELEMMVRLIQTRN
RERGPVAI

Download         Length: 267 bp


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
AlphaFold DB A0A7U9LFV7

Antitoxin

Source ID Structure
PDB 6B58
PDB 1X6I
PDB 1X6J
PDB 6C12
AlphaFold DB A0A7U9QD57

References