77

Detailed information of TA system    

experimentalExperimentally validated    

Overview


TA module


Type II Classification (family/domain) vapBC/PHD-PIN
Location 694839..695485 Replicon chromosome
Accession NC_000962
Organism Mycobacterium tuberculosis H37Rv

Toxin (Protein)


Gene name vapC Uniprot ID O07783
Locus tag Rv0595c Protein ID NP_215109.1
Coordinates 694839..695231 (-) Length 131 a.a.

Antitoxin (Protein)


Gene name vapB Uniprot ID P9WF21
Locus tag Rv0596c Protein ID NP_215110.1
Coordinates 695228..695485 (-) Length 86 a.a.

Genomic Context


Locus tag Coordinates Strand Size (bp) Protein ID Product Description
Rv0592 690501..692027 + 1527 NP_215106.1 Mce family protein Mce2D -
Rv0593 692024..693232 + 1209 NP_215107.1 Mce family lipoprotein LprL -
Rv0594 693237..694787 + 1551 NP_215108.1 Mce family protein Mce2F -
Rv0595c 694839..695231 - 393 NP_215109.1 ribonuclease VapC4 Toxin
Rv0596c 695228..695485 - 258 NP_215110.1 antitoxin VapB4 Antitoxin
Rv0597c 695668..696903 - 1236 NP_215111.1 hypothetical protein -
Rv0598c 697154..697567 - 414 NP_215112.1 ribonuclease VapC27 -
Rv0599c 697564..697800 - 237 NP_215113.1 antitoxin VapB27 -
Rv0600c 697904..698410 - 507 NP_215114.2 two component sensor kinase HK1 -
Rv0601c 698524..698994 - 471 NP_215115.1 two component sensor kinase HK2 -
Rv0602c 699038..699799 - 762 NP_215116.1 two component DNA binding transcriptional regulator TcrA -
Rv0603 699856..700167 + 312 NP_215117.1 hypothetical protein -

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

(8-122)

Antitoxin

(3-53)


Sequences


Toxin        


Download         Length: 131 a.a.        Molecular weight: 14080.08 Da        Isoelectric Point: 4.6558

>T77 NP_215109.1 NC_000962:c695231-694839 [Mycobacterium tuberculosis H37Rv]
VNVRRALADTSVFIGIEATRFDPDRFAGYEWGVSVVTLGELRLGVLQASGPEAAARRLSTYQLAQRFEPLGIDEAVSEAW
ALLVSKLRAAKLRVPINDSWIAATAVAHGIAILTQDNDYAAMPDVEVITI

Download         Length: 393 bp

>T77 NC_000962:c695231-694839 [Mycobacterium tuberculosis H37Rv]
GTGAACGTACGGCGCGCCCTCGCCGACACATCCGTTTTCATTGGCATCGAGGCGACACGATTCGACCCGGACCGGTTTGC
GGGATACGAATGGGGCGTCTCGGTAGTCACACTCGGCGAGCTGCGGCTCGGGGTGTTGCAAGCCTCCGGCCCCGAGGCCG
CCGCACGTCGGCTCTCCACCTACCAGCTTGCGCAACGGTTCGAACCACTAGGCATCGACGAGGCGGTCTCCGAAGCATGG
GCATTACTGGTGTCCAAGCTGCGCGCCGCCAAACTGCGCGTGCCGATCAACGACAGCTGGATTGCGGCCACAGCCGTGGC
GCACGGCATTGCGATCCTGACCCAAGACAACGACTACGCCGCCATGCCCGACGTCGAGGTCATAACGATCTGA

Antitoxin


Download         Length: 86 a.a.        Molecular weight: 9681.06 Da        Isoelectric Point: 7.0175

>AT77 NP_215110.1 NC_000962:c695485-695228 [Mycobacterium tuberculosis H37Rv]
MSATIPARDLRNHTAEVLRRVAAGEEIEVLKDNRPVARIVPLKRRRQWLPAAEVIGELVRLGPDTTNLGEELRETLTQTT
DDVRW

Download         Length: 258 bp

>AT77 NC_000962:c695485-695228 [Mycobacterium tuberculosis H37Rv]
ATGTCTGCTACGATACCCGCTCGCGATCTTCGCAACCACACCGCCGAGGTACTGCGGCGAGTTGCCGCCGGCGAGGAAAT
CGAGGTGCTCAAGGACAATCGCCCCGTAGCGCGCATCGTTCCGCTCAAGCGGCGCCGCCAATGGTTGCCAGCTGCCGAGG
TGATCGGCGAACTGGTGCGCTTGGGCCCCGATACCACCAATCTGGGCGAGGAGCTGCGAGAGACGCTGACGCAAACCACG
GACGATGTGCGGTGGTGA

Similar Proteins


Only experimentally validated proteins are listed.

Protein Organism Identities (%) Coverage (%) Ha-value
T82 Mycobacterium tuberculosis H37Rv

40.769

100

0.408

T86 Mycobacterium tuberculosis H37Rv

42.308

92.857

0.393

T6113 Synechocystis sp. PCC 6803

30

100

0.3

T107 Mycobacterium tuberculosis H37Rv

31.2

96.154

0.3


Multiple sequence alignment    


Protein Organism Identities (%) Coverage (%) Ha-value
AT131 Mycobacterium tuberculosis H37Rv

39.437

83.529

0.329

AT82 Mycobacterium tuberculosis H37Rv

47.273

64.706

0.306


Multiple sequence alignment    




Structures


Toxin

Source ID Structure
AlphaFold DB O07783


Antitoxin

Source ID Structure
AlphaFold DB P9WF21

References


(1) 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

(2) 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

(3) Amita Gupta (2009) Killing activity and rescue function of genome-wide toxin-antitoxin loci of Mycobacterium tuberculosis. FEMS Microbiology Letters 290(1):45-53. [PubMed:19016878] experimental

(4) Jared D Sharp et al. (2012) Growth and translation inhibition through sequence-specific RNA binding by Mycobacterium tuberculosis VapC toxin. The Journal of Biological Chemistry 287(16):12835-47. [PubMed:22354968] experimental

(5) Valdir C Barth et al. (2021) Mycobacterium tuberculosis VapC4 toxin engages small ORFs to initiate an integrated oxidative and copper stress response. Proceedings of The National Academy of Sciences of The United States of America 118(32):e2022136118. [PubMed:34362841] experimental


experimental experimental literature