TB Genome Annotation Portal

Rv2871 (vapB43)

Amino Acid Sequence

VRTTIRIDDELYREVKAKAARSGRTVAAVLEDAVRRGLNPPKPQAAGRYRVQPSGKGGLRPGVDLSSNAALAEAMNDGVSVDAVR
(Nucleotide sequence available on KEGG)

Additional Information



ESSENTIALITY

MtbTnDB - interactive tool for exploring a database of published TnSeq datasets for Mtb

TnSeqCorr - genes with correlated TnSeq profiles across ~100 conditions

Rv2871/vapB43, gene len: 257 bp, num TA sites: 7
conditiondatasetcallmediummethodnotes
in-vitroDeJesus 2017 mBionon-essential7H9HMMfully saturated, 14 TnSeq libraries combined
in-vitroSassetti 2003 Mol Micronon-essential 7H9TRASHessential if hybridization ratio<0.2
in-vivo (mice)Sassetti 2003 PNASnon-essential BL6 miceTRASHessential if hybridization ratio<0.4, min over 4 timepoints (1-8 weeks)
in-vitro (glycerol)Griffin 2011 PPathnon-essentialM9 minimal+glycerolGumbel2 replicates; Padj<0.05
in-vitro (cholesterol)Griffin 2011 PPathnon-essentialM9 minimal+cholesterolGumbel3 replicates; Padj<0.05
differentially essential in cholesterol Griffin 2011 PPathNO (LFC=2.54)cholesterol vs glycerolresampling-SRYES if Padj<0.05, else not significant; LFC<0 means less insertions/more essential in cholesterol
in-vitroSmith 2022 eLifenon-essential7H9HMM6 replicates (raw data in Subramaniam 2017, PMID 31752678)
in-vivo (mice)Smith 2022 eLifenon-essentialBL6 miceHMM6 replicates (raw data in Subramaniam 2017, PMID 31752678)
differentially essential in miceSmith 2022 eLifeYES (LFC=2.232)in-vivo vs in-vitroZINBYES if Padj<0.05, else not significant; LFC<0 means less insertions/more essential in mice
in-vitro (minimal)Minato 2019 mSysnon-essentialminimal mediumHMM
in-vitro (YM rich medium)Minato 2019 mSysnon-essentialYM rich mediumHMM7H9 supplemented with ~20 metabolites (amino acids, cofactors)
differentially essential in YM rich mediumMinato 2019 mSysNO (LFC=-1.07)YM rich vs minimal mediumresampling

Analysis of Positive Selection in Clinical Isolates *new*

global set of 10,626 Mtb clinical isolates
under significant positive selection?NO
omega peak height (95%CI lower bound)1.2 (0.51)
codons under selection
omega plotsomega plot across ORF
genetic variants*link
* example format for variants: "D27 (GAC): D27H (CAC,11)" means "Asp27 (native codon GAC) mutated to His (codon CAC) in 11 isolates"



TnSeq Data No data currently available.
  • No TnSeq data currently available for this Target.
RNASeq Data No data currently available.
  • No RNA-Seq data currently available for this Target.
Metabolomic Profiles No data currently available.
  • No Metabolomic data currently available for this Target.
Proteomic Data No data currently available.
  • No Proteomic data currently available for this Target.

Regulatory Relationships from Systems Biology
  • BioCyc

    Gene interactions based on ChIPSeq and Transcription Factor Over-Expression (TFOE) (Systems Biology)

    NOTE: see table of TFOE interactions below

    Interactions based on ChIPSeq data

  • Interactions based on ChIPSeq data (Minch et al. 2014)

    • Binds To:

      • No bindings to other targets were found.
    • Bound By:

      • No bindings to other targets were found.

    Interactions based on TFOE data (Rustad et al. 2014)

    TFOE = Transcription Factor Over-Expression study
    significance criteria used in paper: greater than 2-fold change (|LFC|>=1.0) and Padj<0.01

    genedysregulated by OE ofLFC
    Rv2871/vapB43Rv0023/-1.18
    Rv2871/vapB43Rv0238/fdmR-1.22
    Rv2871/vapB43Rv3223c/sigH-1.29


    TBCAP

    Tubculosis Community Annotation Project (
    Slayden et al., 2013)

    Rv2871 (vapB43)

    PropertyValueCreatorEvidencePMIDComment
    CitationComprehensive functional analysis of Mycobacterium tuberculosis toxin-antitoxin systems: implications for pathogenesis, stress responses, and evolution. authors,HR. Ramage,LE. Connolly,JS. Cox PLoS Genet. 2009akankshajain.21IGC20011113Gene Neighborhood (Functional linkage)
    InteractionInhibitedBy Rv2872akankshajain.21IGCGene Neighborhood (Functional linkage)
    authors,HR. Ramage,LE. Connolly,JS. Cox Comprehensive functional analysis of Mycobacterium tuberculosis toxin-antitoxin systems: implications for pathogenesis, stress responses, and evolution. PLoS Genet. 2009
    CitationSolution structure of the Mycobacterium tuberculosis complex protein MPB70: from tuberculosis pathogenesis to inherited human corneal desease. authors,MD. Carr,MJ. Bloemink,E. Dentten,AO. Whelan,SV. Gordon,G. Kelly,TA. Frenkiel,RG. Hewinson,RA. Williamson J. Biol. Chem. 2003akankshajain.21IGC12917404Gene Neighborhood (Functional linkage)
    InteractionInhibitedBy Rv2872akankshajain.21IGCGene Neighborhood (Functional linkage)
    authors,MD. Carr,MJ. Bloemink,E. Dentten,AO. Whelan,SV. Gordon,G. Kelly,TA. Frenkiel,RG. Hewinson,RA. Williamson Solution structure of the Mycobacterium tuberculosis complex protein MPB70: from tuberculosis pathogenesis to inherited human corneal desease. J. Biol. Chem. 2003
    InteractionPhysicalInteraction Rv2872priti.prietyIEPGene Neighborhood (Functional linkage)
    MD. Jurez, A. Torres et al. Characterization of the Mycobacterium tuberculosis region containing the mpt83 and mpt70 genes. FEMS Microbiol. Lett. 2001

    Comments