Gene Gene information from NCBI Gene database.
Entrez ID 84705
Gene name GTP binding protein 3, mitochondrial
Gene symbol GTPBP3
Synonyms (NCBI Gene)
COXPD23GTPBG3MSS1MTGP1THDF1
Chromosome 19
Chromosome location 19p13.11
Summary This locus encodes a GTP-binding protein. The encoded protein is localized to the mitochondria and may play a role in mitochondrial tRNA modification. Polymorphisms at this locus may be associated with severity of aminoglycoside-induced deafness, a diseas
SNPs SNP information provided by dbSNP.
16
SNP ID Visualize variation Clinical significance Consequence
rs372174278 G>C,T Pathogenic Missense variant, coding sequence variant
rs558425417 T>A,C Likely-pathogenic Missense variant, coding sequence variant
rs730880255 A>T Pathogenic Coding sequence variant, missense variant
rs748022451 G>C,T Likely-pathogenic Intron variant
rs765129583 G>A Likely-pathogenic Missense variant, coding sequence variant
miRNA miRNA information provided by mirtarbase database.
329
miRTarBase ID miRNA Experiments Reference
MIRT001627 hsa-let-7b-5p pSILAC 18668040
MIRT001627 hsa-let-7b-5p Proteomics;Other 18668040
MIRT567388 hsa-miR-181a-5p PAR-CLIP 20371350
MIRT567387 hsa-miR-181b-5p PAR-CLIP 20371350
MIRT567386 hsa-miR-181c-5p PAR-CLIP 20371350
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
21
GO ID Ontology Definition Evidence Reference
GO:0000166 Function Nucleotide binding IEA
GO:0002098 Process TRNA wobble uridine modification IBA
GO:0003924 Function GTPase activity IEA
GO:0003924 Function GTPase activity IMP 29390138, 33619562
GO:0005515 Function Protein binding IPI 25416956, 32296183, 32814053
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
608536 14880 ENSG00000130299
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
Q969Y2
Protein name 5-taurinomethyluridine-[tRNA] synthase subunit GTPB3, mitochondrial (EC 3.6.1.-) (GTP-binding protein 3) (Mitochondrial GTP-binding protein 1) (tRNA modification GTPase GTPBP3, mitochondrial)
Protein function GTPase component of the GTPBP3-MTO1 complex that catalyzes the 5-taurinomethyluridine (taum(5)U) modification at the 34th wobble position (U34) of mitochondrial tRNAs (mt-tRNAs), which plays a role in mt-tRNA decoding and mitochondrial translati
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF10396 TrmE_N 35 152 GTP-binding protein TrmE N-terminus Family
PF12631 MnmE_helical 155 489 MnmE helical domain Family
PF01926 MMR_HSR1 251 375 50S ribosome-binding GTPase Family
Tissue specificity TISSUE SPECIFICITY: Ubiquitously expressed. {ECO:0000269|PubMed:12370316}.
Sequence
Sequence length 492
Interactions View interactions
Associated diseases Disease associations from ClinVar categorized as Causal (Pathogenic/Likely Pathogenic) or Unknown.
79
Causal Diseases associated with Pathogenic or Likely Pathogenic variants in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession
Combined oxidative phosphorylation defect type 23 Likely pathogenic; Pathogenic rs765975578, rs766510741, rs869320746, rs886037734, rs730880255, rs886037735, rs886037736, rs1419691572, rs2513207346, rs1274363168, rs1555726849, rs770871640, rs1599560256 RCV001783405
RCV002272674
RCV000157590
RCV000157591
RCV000157592
RCV000157594
RCV000157595
RCV003233012
RCV003444433
RCV000578243
RCV000578298
RCV000578406
RCV004799236
GTPBP3-related disorder Likely pathogenic; Pathogenic rs765975578, rs2145702302 RCV004757478
RCV004757874
See cases Likely pathogenic; Pathogenic rs756394857, rs770906277, rs1414881768, rs758057930 RCV003156143
RCV003232628
RCV003232998
RCV003156194
Unknown Diseases with uncertain, conflicting, or no pathogenic evidence in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession
Cholangiocarcinoma Benign rs75326392 RCV005896280
Familial cancer of breast Benign rs75326392 RCV005896276
Gastric cancer Conflicting classifications of pathogenicity; Likely benign rs369523370, rs113820235 RCV005917724
RCV005907157
Hypertrophic cardiomyopathy Uncertain significance rs1474249823, rs1437710672 RCV002319772
RCV002319773
Associations from Text MiningDisease associations identified through Pubtator
Disease Name Relationship Type References
Acidosis Lactic Associate 25434004, 26642043, 29348686
Brain Diseases Associate 25434004
Cardiomyopathy Hypertrophic Associate 25434004, 26642043, 29348686, 39719609
Deafness Associate 12370316
Developmental Disabilities Associate 39719609
Eye Neoplasms Associate 39719609
Heart Diseases Associate 39719609
Immunologic Deficiency Syndromes Inhibit 39719609
Leigh Disease Associate 25434004
Mitochondrial Diseases Associate 25434004, 28740091, 39719609