FB2024_03 , released June 25, 2024
Gene: Dmel\Thg
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General Information
Symbol
Dmel\Thg
Species
D. melanogaster
Name
tRNA-histidine guanylyltransferase
Annotation Symbol
CG4103
Feature Type
FlyBase ID
FBgn0283659
Gene Model Status
Stock Availability
Enzyme Name (EC)
tRNA(His) guanylyltransferase (2.7.7.79)
Gene Summary
Adds a GMP to the 5'-end of tRNA(His) after transcription and RNase P cleavage. (UniProt, Q9V3N8)
Contribute a Gene Snapshot for this gene.
Also Known As

l(2)br4, BG:DS00929.4 , br4, l(2)35Bc, l(2)br11

Key Links
Genomic Location
Cytogenetic map
Sequence location
Recombination map
2-50
RefSeq locus
NT_033779 REGION:15008489..15009724
Sequence
Genomic Maps
Other Genome Views
The following external sites may use different assemblies or annotations than FlyBase.
Function
Gene Ontology (GO) Annotations (4 terms)
Molecular Function (2 terms)
Terms Based on Experimental Evidence (0 terms)
Terms Based on Predictions or Assertions (2 terms)
CV Term
Evidence
References
inferred from sequence or structural similarity with UniProtKB:P53215
inferred from sequence or structural similarity with UniProtKB:Q9NWX6
inferred from biological aspect of ancestor with PANTHER:PTN000977687
inferred from electronic annotation with InterPro:IPR007537, InterPro:IPR024956
Biological Process (2 terms)
Terms Based on Experimental Evidence (0 terms)
Terms Based on Predictions or Assertions (2 terms)
CV Term
Evidence
References
involved_in tRNA modification
inferred from electronic annotation with InterPro:IPR007537, InterPro:IPR024956
inferred from sequence or structural similarity with UniProtKB:P53215
involved_in tRNA processing
inferred from sequence or structural similarity with UniProtKB:Q9NWX6
inferred from biological aspect of ancestor with PANTHER:PTN000977687
Cellular Component (0 terms)
Terms Based on Experimental Evidence (0 terms)
Terms Based on Predictions or Assertions (0 terms)
Gene Group (FlyBase)
Protein Family (UniProt)
Belongs to the tRNA(His) guanylyltransferase family. (Q9V3N8)
Catalytic Activity (EC/Rhea)
tRNA guanylyltransferase activity
a 5'-end ribonucleotide-tRNA(His) + ATP + GTP + H2O = a 5'-end phospho- guanosine-ribonucleotide-tRNA(His) + AMP + 2 diphosphate + H(+) (2.7.7.79)
RHEA 54564:
Summaries
Gene Group (FlyBase)
GUANYLYLTRANSFERASES -
Guanylyltransferases catalyse the transfer of a guanylyl group to an acceptor. Many eukaryotic guanylyl transferases are capping enzymes that catalyze the formation of the 5' cap in messenger RNAs. Others specifically add a guanine nucleotide to the transfer RNA for histidine, which is required for it to be aminoacylated by the histidine tRNA synthetase. Guanylyl transferases also exist for transferring guanosine nucleotides to sugar molecules, such as mannose and fucose. (Adapted from https://en.wikipedia.org/wiki/Guanylyltransferase.)
Protein Function (UniProtKB)
Adds a GMP to the 5'-end of tRNA(His) after transcription and RNase P cleavage.
(UniProt, Q9V3N8)
Gene Model and Products
Number of Transcripts
2
Number of Unique Polypeptides
1

Please see the JBrowse view of Dmel\Thg for information on other features

To submit a correction to a gene model please use the Contact FlyBase form

Protein Domains (via Pfam)
Isoform displayed:
Pfam protein domains
InterPro name
classification
start
end
Protein Domains (via SMART)
Isoform displayed:
SMART protein domains
InterPro name
classification
start
end
Structure
Protein 3D structure   (Predicted by AlphaFold)   (AlphaFold entry Q9V3N8)

If you don't see a structure in the viewer, refresh your browser.
Model Confidence:
  • Very high (pLDDT > 90)
  • Confident (90 > pLDDT > 70)
  • Low (70 > pLDDT > 50)
  • Very low (pLDDT < 50)

AlphaFold produces a per-residue confidence score (pLDDT) between 0 and 100. Some regions with low pLDDT may be unstructured in isolation.

Experimentally Determined Structures
Crossreferences
Comments on Gene Model

Gene model reviewed during 5.45

Sequence Ontology: Class of Gene
Transcript Data
Annotated Transcripts
Name
FlyBase ID
RefSeq ID
Length (nt)
Assoc. CDS (aa)
FBtr0080727
1149
286
FBtr0303561
1076
286
Additional Transcript Data and Comments
Reported size (kB)
Comments
External Data
Crossreferences
Polypeptide Data
Annotated Polypeptides
Name
FlyBase ID
Predicted MW (kDa)
Length (aa)
Theoretical pI
UniProt
RefSeq ID
GenBank
FBpp0080286
33.1
286
7.60
FBpp0292594
33.1
286
7.60
Polypeptides with Identical Sequences

The group(s) of polypeptides indicated below share identical sequence to each other.

286 aa isoforms: Thg-PA, Thg-PB
Additional Polypeptide Data and Comments
Reported size (kDa)
Comments
External Data
Linkouts
Sequences Consistent with the Gene Model
Mapped Features

Click to get a list of regulatory features (enhancers, TFBS, etc.) and gene disruptions (point mutations, indels, etc.) within or overlapping Dmel\Thg using the Feature Mapper tool.

External Data
Crossreferences
Eukaryotic Promoter Database - A collection of databases of experimentally validated promoters for selected model organisms.
Linkouts
Expression Data
Testis-specificity index

The testis specificity index was calculated from modENCODE tissue expression data by Vedelek et al., 2018 to indicate the degree of testis enrichment compared to other tissues. Scores range from -2.52 (underrepresented) to 5.2 (very high testis bias).

-1.17

Transcript Expression
Additional Descriptive Data
Marker for
 
Subcellular Localization
CV Term
Polypeptide Expression
Additional Descriptive Data
Marker for
 
Subcellular Localization
CV Term
Evidence
References
Expression Deduced from Reporters
High-Throughput Expression Data
Associated Tools

JBrowse - Visual display of RNA-Seq signals

View Dmel\Thg in JBrowse
RNA-Seq by Region - Search RNA-Seq expression levels by exon or genomic region
Reference
See Gelbart and Emmert, 2013 for analysis details and data files for all genes.
Developmental Proteome: Life Cycle
Developmental Proteome: Embryogenesis
External Data and Images
Linkouts
DRscDB - A single-cell RNA-seq resource for data mining and data comparison across species
EMBL-EBI Single Cell Expression Atlas - Single cell expression across species
FlyAtlas - Adult expression by tissue, using Affymetrix Dros2 array
FlyAtlas2 - A Drosophila melanogaster expression atlas with RNA-Seq, miRNA-Seq and sex-specific data
Images
Alleles, Insertions, Transgenic Constructs, and Aberrations
Classical and Insertion Alleles ( 11 )
For All Classical and Insertion Alleles Show
 
Other relevant insertions
Transgenic Constructs ( 4 )
For All Alleles Carried on Transgenic Constructs Show
Transgenic constructs containing/affecting coding region of Thg
Transgenic constructs containing regulatory region of Thg
Aberrations (Deficiencies and Duplications) ( 112 )
Inferred from experimentation ( 112 )
Gene not disrupted in
Gene disrupted in
Gene not duplicated in
Inferred from location ( 0 )
Variants
Variant Molecular Consequences
Alleles Representing Disease-Implicated Variants
Phenotypes
Orthologs
Human Orthologs (via DIOPT v9.1)
Species\Gene Symbol
Score
Best Score
Best Reverse Score
Alignment
Complementation?
Transgene?
Homo sapiens (Human) (1)
14 of 14
Yes
Yes
Model Organism Orthologs (via DIOPT v9.1)
Species\Gene Symbol
Score
Best Score
Best Reverse Score
Alignment
Complementation?
Transgene?
Rattus norvegicus (Norway rat) (1)
14 of 14
Yes
Yes
Mus musculus (laboratory mouse) (1)
13 of 14
Yes
Yes
Xenopus tropicalis (Western clawed frog) (2)
8 of 13
Yes
Yes
1 of 13
No
No
Danio rerio (Zebrafish) (1)
14 of 14
Yes
Yes
Caenorhabditis elegans (Nematode, roundworm) (0)
Anopheles gambiae (African malaria mosquito) (1)
12 of 12
Yes
Yes
Arabidopsis thaliana (thale-cress) (2)
9 of 13
Yes
Yes
9 of 13
Yes
Yes
Saccharomyces cerevisiae (Brewer's yeast) (1)
13 of 13
Yes
Yes
Schizosaccharomyces pombe (Fission yeast) (1)
12 of 12
Yes
Yes
Escherichia coli (enterobacterium) (0)
Other Organism Orthologs (via OrthoDB)
Data provided directly from OrthoDB:Thg. Refer to their site for version information.
Paralogs
Paralogs (via DIOPT v9.1)
Human Disease Associations
FlyBase Human Disease Model Reports
    Disease Ontology (DO) Annotations
    Models Based on Experimental Evidence ( 0 )
    Allele
    Disease
    Evidence
    References
    Potential Models Based on Orthology ( 1 )
    Modifiers Based on Experimental Evidence ( 1 )
    Allele
    Disease
    Interaction
    References
    Disease Associations of Human Orthologs (via DIOPT v9.1 and OMIM)
    Note that ortholog calls supported by only 1 or 2 algorithms (DIOPT score < 3) are not shown.
    Functional Complementation Data
    Functional complementation data is computed by FlyBase using a combination of the orthology data obtained from DIOPT and OrthoDB and the allele-level genetic interaction data curated from the literature.
    Interactions
    Summary of Physical Interactions
    esyN Network Diagram
    Show neighbor-neighbor interactions:
    Show/hide secondary interactors 
    (data from AllianceMine provided by esyN)
    Select Layout:
    Legend:
    Protein
    RNA
    Selected Interactor(s)
    Other Interaction Browsers

    Please see the Physical Interaction reports below for full details
    protein-protein
    Physical Interaction
    Assay
    References
    Summary of Genetic Interactions
    esyN Network Diagram
    Show/hide secondary interactors 
    (data from AllianceMine provided by esyN)
    esyN Network Key:
    Suppression
    Enhancement
    Other Interaction Browsers

    Please look at the allele data for full details of the genetic interactions
    Starting gene(s)
    Interaction type
    Interacting gene(s)
    Reference
    Starting gene(s)
    Interaction type
    Interacting gene(s)
    Reference
    External Data
    Linkouts
    MIST (protein-protein) - An integrated Molecular Interaction Database
    Pathways
    Signaling Pathways (FlyBase)
    Metabolic Pathways
    External Data
    Linkouts
    Genomic Location and Detailed Mapping Data
    Chromosome (arm)
    2L
    Recombination map
    2-50
    Cytogenetic map
    Sequence location
    FlyBase Computed Cytological Location
    Cytogenetic map
    Evidence for location
    35B8-35B8
    Limits computationally determined from genome sequence between P{EP}elBEP2039&P{PZ}osprJ571 and P{lacW}Su(H)k07904
    Experimentally Determined Cytological Location
    Cytogenetic map
    Notes
    References
    35B6-35B10
    (determined by in situ hybridisation)
    Experimentally Determined Recombination Data
    Location

    2-[50]

    Notes

    Complementation analysis establishes the following gene order (distal to proximal): dyn-p25, l(2)35Be, l(2)35Bc.

    Excision of l(2)35Bck08808 indicates that the gene order is mol, dyn-p25, l(2)35Be, l(2)35Bc, l(2)35Bd.

    Stocks and Reagents
    Stocks (11)
    Genomic Clones (21)
    cDNA Clones (9)
     

    Please Note This section lists cDNAs and ESTs that fall within the genomic extent of the gene model, which may include cDNAs and ESTs of genes within introns, or of overlapping genes. Please see JBrowse for alignment of the cDNAs and ESTs to the gene model.

    cDNA clones, fully sequenced
    BDGP DGC clones
    Other clones
    Drosophila Genomics Resource Center cDNA clones

    For each fully sequenced cDNA the DGRC maintains various forms of the cDNA (e.g tagged or untagged) in several different host vectors for subsequent cloning and expression in Drosophila and Drosophila cell lines.

    cDNA Clones, End Sequenced (ESTs)
    BDGP DGC clones
      RNAi and Array Information
      Linkouts
      Antibody Information
      Laboratory Generated Antibodies
       
      Commercially Available Antibodies
       
      Cell Line Information
      Publicly Available Cell Lines
       
        Other Stable Cell Lines
         
          Other Comments

          tRNA-guanylyltransferase enzyme has been purified and characterised.

          Relationship to Other Genes
          Source for database merge of

          Source for merge of: l(2)35Bc CG4103

          Additional comments

          "l(2)35Bc" probably corresponds to either " BG:DS00929.4 " or to " BG:DS00929.3 ".

          " BG:DS00929.2 ", " BG:DS00929.3 " or " BG:DS00929.4 " may correspond to "l(2)35Bc".

          " BG:DS00929.4 " may correspond to "l(2)35Bc".

          The non-sequence localized gene 'tRNA-guanylyltransferase' (FBgn0023421), associated only with FBrf0052523, and the sequence localized gene 'l(2)35Bc/CG4103' (FBgn0261882) have been merged because the latter is the only CG-gene identified as a tRNA-guanylyltransferase (by protein domains or GO annotation).

          Nomenclature History
          Source for database identify of

          Source for identity of: BG:DS00929.4 CG4103

          Source for identity of: Thg l(2)35Bc

          Nomenclature comments
          Etymology

          Named 'Thg' based on the nomenclature used for this enzyme in other species.

          Synonyms and Secondary IDs (20)
          Datasets (0)
          Study focus (0)
          Experimental Role
          Project
          Project Type
          Title
          Study result (0)
          Result
          Result Type
          Title
          External Crossreferences and Linkouts ( 28 )
          Sequence Crossreferences
          NCBI Gene - Gene integrates information from a wide range of species. A record may include nomenclature, Reference Sequences (RefSeqs), maps, pathways, variations, phenotypes, and links to genome-, phenotype-, and locus-specific resources worldwide.
          GenBank Nucleotide - A collection of sequences from several sources, including GenBank, RefSeq, TPA, and PDB.
          GenBank Protein - A collection of sequences from several sources, including translations from annotated coding regions in GenBank, RefSeq and TPA, as well as records from SwissProt, PIR, PRF, and PDB.
          RefSeq - A comprehensive, integrated, non-redundant, well-annotated set of reference sequences including genomic, transcript, and protein.
          UniProt/GCRP - The gene-centric reference proteome (GCRP) provides a 1:1 mapping between genes and UniProt accessions in which a single 'canonical' isoform represents the product(s) of each protein-coding gene.
          UniProt/Swiss-Prot - Manually annotated and reviewed records of protein sequence and functional information
          Other crossreferences
          AlphaFold DB - AlphaFold provides open access to protein structure predictions for the human proteome and other key proteins of interest, to accelerate scientific research.
          DRscDB - A single-cell RNA-seq resource for data mining and data comparison across species
          EMBL-EBI Single Cell Expression Atlas - Single cell expression across species
          FlyAtlas2 - A Drosophila melanogaster expression atlas with RNA-Seq, miRNA-Seq and sex-specific data
          KEGG Genes - Molecular building blocks of life in the genomic space.
          MARRVEL_MODEL - MARRVEL (model organism gene)
          Linkouts
          Drosophila Genomics Resource Center - Drosophila Genomics Resource Center (DGRC) cDNA clones
          Eukaryotic Promoter Database - A collection of databases of experimentally validated promoters for selected model organisms.
          FlyAtlas - Adult expression by tissue, using Affymetrix Dros2 array
          FlyCyc Genes - Genes from a BioCyc PGDB for Dmel
          iBeetle-Base - RNAi phenotypes in the red flour beetle (Tribolium castaneum)
          MIST (protein-protein) - An integrated Molecular Interaction Database
          References (56)