Detailed information of TA system    

insolicoBioinformatically predicted

Overview


TA module


Type II Classification (family/domain) tacAT/DUF1778(antitoxin)
Location 44783..45558 Replicon plasmid pCP301
Accession NC_004851
Organism Shigella flexneri 2a str. 301

Toxin (Protein)


Gene name tacT Uniprot ID Q99Q62
Locus tag CP0059 Protein ID NP_858192.1
Coordinates 44783..45265 (-) Length 161 a.a.

Antitoxin (Protein)


Gene name tacA Uniprot ID Q99Q00
Locus tag CP0060 Protein ID NP_858193.2
Coordinates 45256..45558 (-) Length 101 a.a.

Genomic Context


Locus tag Coordinates Strand Size (bp) Protein ID Product Description
CP0054 41197..42888 + 1692 NP_858187.1 invasion plasmid antigen -
CP0055 42940..43266 + 327 NP_858188.1 IS629 ORF1 -
CP0056 43481..44149 + 669 NP_858189.1 IS629 ORF2 -
CP0057 44189..44377 - 189 NP_858190.1 IS600 ORF2 -
CP0058 44413..44715 - 303 NP_858191.1 IS600 ORF1 -
CP0059 44783..45265 - 483 NP_858192.1 hypothetical protein Toxin
CP0060 45256..45558 - 303 NP_858193.2 hypothetical protein Antitoxin
CP0060a 45830..46102 + 273 YP_145811.1 hypothetical protein -
CP0061 46083..47291 + 1209 NP_858194.1 IS1294 transposase -
CP0062 47361..47591 + 231 NP_858195.1 ISSfl1 ORF2 -
CP0063 47740..49194 - 1455 NP_858196.1 hypothetical protein -
CP0064 49511..49708 - 198 NP_858197.1 IS1 encoded protein -
CP0065 49783..50241 + 459 NP_858198.1 IS1 ORF2 -

Associated MGEs


MGE
detail
Similar
MGEs
Relative
position
MGE Type Cargo ARG Virulence gene Coordinates Length (bp)
- inside Non-Mobilizable plasmid - ospB / ospC4 / ospC2 / ospD2 / ospF / ospD1 / ipgB2 / ospE2 / ipaH2.5 / ospC2 / ipaH7.8 / ipaH4.5 / ospD3/senA / ospC1 / ospC3 / ipaJ / ipaA / ipaD / ipaC / ipaB / ipgC / ipgB1 / ipgA / icsB / ipgD / ipgE / ipgF / mxiG / mxiH / mxiI / mxiJ / mxiK / mxiN / mxiL / mxiM / mxiE / mxiD / mxiC / mxiA / spa15 / spa47 / spa13 / spa32 / spa33 / spa24 / spa9 / spa29 / spa40 / virA / icsA/virG / papC / ospI / ipaH9.8 / ospG / ipaH1.4 / ospE1 / nleE / icsP/sopA 1..221618 221618
- inside IScluster/Tn - ospE2 / ipaH2.5 / ospC2 32084..52576 20492


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

(29-149)

Antitoxin

(19-94)


Sequences


Toxin        


Download         Length: 161 a.a.        Molecular weight: 17750.52 Da        Isoelectric Point: 7.0382

>T20972 NP_858192.1 NC_004851:c45265-44783 [Shigella flexneri 2a str. 301]
MEINVTAPALLTDEHILQPFDCGNEVLSNWLRGRAMKNQMLNASRTFVICLEDTLRIVGYYSLATGSVTHAELGRSLRHN
MPNPVPVVLLGRLAVDVCTQGHGFGKWLLSDAIHRVVNLADQVGIKAVMVHAIDDDARAFYERFGFVQSVVAPNTLFYKV

Download         Length: 483 bp

>T20972 NC_004851:c45265-44783 [Shigella flexneri 2a str. 301]
ATGGAAATAAATGTCACCGCGCCAGCATTGTTGACGGATGAGCATATACTTCAGCCATTTGACTGTGGAAATGAGGTGCT
AAGTAACTGGTTACGTGGTCGGGCTATGAAAAACCAGATGCTCAATGCTTCTCGCACGTTCGTTATTTGCTTGGAGGATA
CTTTACGTATTGTGGGATACTACTCATTAGCTACTGGTTCCGTCACTCATGCCGAGCTTGGTCGCAGTTTGCGGCATAAC
ATGCCCAATCCTGTCCCTGTTGTTCTGTTAGGGCGTCTGGCTGTTGATGTTTGTACCCAGGGGCATGGTTTCGGTAAATG
GCTACTAAGTGATGCCATTCACCGGGTTGTCAATCTGGCTGATCAGGTTGGCATTAAGGCTGTTATGGTACATGCAATTG
ATGATGACGCCAGAGCATTTTATGAGCGTTTTGGTTTTGTTCAGTCAGTTGTGGCACCTAATACCTTGTTTTATAAAGTC
TGA

Antitoxin


Download         Length: 101 a.a.        Molecular weight: 11689.28 Da        Isoelectric Point: 4.9167

>AT20972 NP_858193.2 NC_004851:c45558-45256 [Shigella flexneri 2a str. 301]
MEVFMSTAASVRKTPREHQINIRATDEERAVIDYAASLVNKNRTDFIMELAYQEAKNIILDQRLFVLDNERYDSFITQLE
APVQNAEGRERLMAVKPEWK

Download         Length: 303 bp

>AT20972 NC_004851:c45558-45256 [Shigella flexneri 2a str. 301]
ATGGAGGTTTTTATGTCTACAGCTGCAAGCGTCCGTAAAACACCGCGAGAACATCAGATTAACATCCGGGCAACTGATGA
GGAACGAGCCGTTATTGATTATGCTGCGAGCTTGGTCAATAAGAACCGTACCGATTTCATCATGGAACTGGCGTACCAGG
AAGCTAAAAACATTATCCTGGATCAACGTTTATTTGTGCTGGATAACGAACGTTATGATTCGTTTATTACGCAACTGGAA
GCTCCTGTGCAGAATGCAGAAGGGCGTGAACGTCTGATGGCGGTAAAGCCTGAATGGAAATAA

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 Q99Q62


Antitoxin

Source ID Structure
AlphaFold DB Q99Q00

References