Detailed information of TA system    

experimentalExperimentally validated    

Overview


TA module


Type II Classification (family/domain) vapBC/RHH-PIN
Location 640228..640904 Replicon chromosome
Accession NC_000962
Organism Mycobacterium tuberculosis H37Rv

Toxin (Protein)


Gene name vapC Uniprot ID P9WFB7
Locus tag Rv0549c Protein ID NP_215063.1
Coordinates 640228..640641 (-) Length 138 a.a.

Antitoxin (Protein)


Gene name vapB Uniprot ID P9WJ59
Locus tag Rv0550c Protein ID NP_215064.1
Coordinates 640638..640904 (-) Length 89 a.a.

Genomic Context


Locus tag Coordinates Strand Size (bp) Protein ID Product Description
Rv0543c 635573..635875 - 303 NP_215057.1 hypothetical protein -
Rv0544c 635935..636213 - 279 NP_215058.1 transmembrane protein -
Rv0545c 636210..637463 - 1254 NP_215059.1 low-affinity inorganic phosphate transporter -
Rv0546c 637583..637969 - 387 NP_215060.1 hypothetical protein -
Rv0547c 638032..638916 - 885 NP_215061.1 oxidoreductase -
Rv0548c 639012..639956 - 945 NP_215062.1 1,4-dihydroxy-2-naphthoyl-CoA synthase -
Rv0549c 640228..640641 - 414 NP_215063.1 ribonuclease VapC3 Toxin
Rv0550c 640638..640904 - 267 NP_215064.1 antitoxin VapB3 Antitoxin
Rv0551c 641096..642811 - 1716 NP_215065.1 fatty-acid--CoA ligase FadD8 -
Rv0552 642889..644493 + 1605 NP_215066.1 hypothetical protein -
Rv0553 644490..645470 + 981 NP_215067.1 muconate cycloisomerase -

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

(13-129)

Antitoxin

(19-61)


Sequences


Toxin        


Download         Length: 138 a.a.        Molecular weight: 14667.78 Da        Isoelectric Point: 7.3603

>T75 NP_215063.1 NC_000962:c640641-640228 [Mycobacterium tuberculosis H37Rv]
VRASPTSPPEQVVVDASAMVDLLARTSDRCSAVRARLARTAMHAPAHFDAEVLSALGRMQRAGALTVAYVDAALEELRQV
PVTRHGLSSLLAGAWSRRDTLRLTDALYVELAETAGLVLLTTDERLARAWPSAHAIG

Download         Length: 414 bp

>T75 NC_000962:c640641-640228 [Mycobacterium tuberculosis H37Rv]
GTGAGAGCATCGCCCACTTCGCCGCCGGAGCAGGTGGTCGTCGACGCGAGTGCCATGGTGGATCTACTGGCTCGCACTAG
CGATCGGTGCTCTGCGGTGCGCGCGCGGCTGGCTCGGACCGCGATGCACGCGCCGGCGCACTTCGATGCAGAGGTGTTGT
CGGCGCTGGGGCGCATGCAGCGCGCCGGCGCACTCACCGTTGCCTATGTCGATGCGGCACTGGAGGAGTTGCGACAGGTG
CCGGTGACTCGACACGGTCTTTCGTCGCTGCTTGCTGGAGCGTGGTCGCGCCGCGACACCCTCCGCCTGACCGATGCCCT
CTACGTCGAGCTGGCCGAAACGGCAGGTCTGGTGTTGTTGACCACCGACGAAAGATTGGCACGCGCCTGGCCCTCGGCTC
ACGCCATCGGCTGA

Antitoxin


Download         Length: 89 a.a.        Molecular weight: 9543.79 Da        Isoelectric Point: 4.5994

>AT75 NP_215064.1 NC_000962:c640904-640638 [Mycobacterium tuberculosis H37Rv]
MLSRRTKTIVVCTLVCMARLNVYVPDELAERARARGLNVSALTQAAISAELENSATDAWLEGLEPRSTGARHDDVLGAID
AARDEFEA

Download         Length: 267 bp

>AT75 NC_000962:c640904-640638 [Mycobacterium tuberculosis H37Rv]
TTGTTGAGCCGGCGCACGAAAACGATCGTTGTGTGTACATTGGTGTGTATGGCTCGGTTGAACGTGTATGTGCCCGACGA
ATTGGCGGAGCGCGCCAGGGCGCGGGGCTTGAACGTCTCGGCGCTGACTCAGGCCGCGATCAGTGCCGAGTTGGAGAACT
CCGCAACCGATGCGTGGCTTGAGGGGTTGGAACCCAGAAGCACCGGCGCTCGGCATGATGACGTGCTGGGTGCGATCGAT
GCCGCTCGCGATGAGTTCGAAGCGTGA

Similar Proteins


Only experimentally validated proteins are listed.

Protein Organism Identities (%) Coverage (%) Ha-value
T98 Mycobacterium tuberculosis H37Rv

35.593

91.473

0.326

T6241 Mycobacterium tuberculosis H37Rv

36.364

88.321

0.321


Multiple sequence alignment    


Protein Organism Identities (%) Coverage (%) Ha-value

Structures


Toxin

Source ID Structure
AlphaFold DB P9WFB7


Antitoxin

Source ID Structure
AlphaFold DB P9WJ59

References


(1) Holly R Ramage et al. (2009) Comprehensive functional analysis of Mycobacterium tuberculosis toxin-antitoxin systems: implications for pathogenesis, stress responses, and evolution. PLoS Genetics 5(12):e1000767. [PubMed:20011113] experimental

(2) Sakshi Agarwal et al. (2018) System-Wide Analysis Unravels the Differential Regulation and In Vivo Essentiality of Virulence-Associated Proteins B and C Toxin-Antitoxin Systems of Mycobacterium tuberculosis. The Journal of Infectious Diseases 217(11):1809-1820. [PubMed:29529224] experimental


experimental experimental literature