GNA11
Guanine nucleotide-binding protein subunit alpha-11
Also known as: FBH, FBH2, FHH2, GNA11_HUMAN, HHC2
Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene
Protein identityUniProt · HPA
- UniProt accession
- P29992
- Gene
- GNA11
- Ensembl
- ENSG00000088256
- Chromosome
- 19
- Canonical length
- 359 aa
- Protein class
- Cancer-related genes, Disease related genes, Human disease related genes, Potential drug targets, Predicted intracellular proteins, Transporters
OverviewNCBI Gene
The protein encoded by this gene belongs to the family of guanine nucleotide-binding proteins (G proteins), which function as modulators or transducers in various transmembrane signaling systems. G proteins are composed of 3 units: alpha, beta and gamma. This gene encodes one of the alpha subunits (subunit alpha-11). Mutations in this gene have been associated with hypocalciuric hypercalcemia type II (HHC2) and hypocalcemia dominant 2 (HYPOC2). Patients with HHC2 and HYPOC2 exhibit decreased or increased sensitivity, respectively, to changes in extracellular calcium concentrations. [provided by RefSeq, Dec 2013]
Canonical amino-acid sequenceUniProt
359 residues, UniProt reviewed canonical sequence.
>P29992|GNA11
1 MTLESMMACC LSDEVKESKR INAEIEKQLR RDKRDARREL KLLLLGTGES GKSTFIKQMR
61 IIHGAGYSEE DKRGFTKLVY QNIFTAMQAM IRAMETLKIL YKYEQNKANA LLIREVDVEK
121 VTTFEHQYVS AIKTLWEDPG IQECYDRRRE YQLSDSAKYY LTDVDRIATL GYLPTQQDVL
181 RVRVPTTGII EYPFDLENII FRMVDVGGQR SERRKWIHCF ENVTSIMFLV ALSEYDQVLV
241 ESDNENRMEE SKALFRTIIT YPWFQNSSVI LFLNKKDLLE DKILYSHLVD YFPEFDGPQR
301 DAQAAREFIL KMFVDLNPDS DKIIYSHFTC ATDTENIRFV FAAVKDTILQ LNLKEYNLVLocalizationUniProt · AlphaFold · HPA
Whether an antibody against GNA11 can act on the native protein depends on physical access: surface and secreted proteins are reachable by circulating antibodies, intracellular proteins usually are not.
- Antibody reachability
- Cell surface
- Secreted
- No
- Transmembrane segments
- 0
- Mean surface accessibility (rSASA)
- 0.27
- Highest tissue expression
- 131 nTPM
Expression across tissuesHPA
Tissue
- small intestine: 131 nTPM
- duodenum: 111 nTPM
- cerebellum: 78 nTPM
- colon: 61 nTPM
- skeletal muscle: 51 nTPM
- heart muscle: 49 nTPM
Single-cell type
- enterocytes: 314 nCPM
- colonocytes: 219 nCPM
- enteric transient amplifying cells: 109 nCPM
- peritubular myoid cells: 97 nCPM
- goblet cells: 93 nCPM
- epididymal clear cells: 92 nCPM
Immune cell
- neutrophil: 5.1 nTPM
- basophil: 2.3 nTPM
- plasmacytoid DC: 2.3 nTPM
- classical monocyte: 1.4 nTPM
- non-classical monocyte: 1.4 nTPM
- naive CD4 T-cell: 1.1 nTPM
Brain region
- cerebellum: 123 nTPM
- amygdala: 87 nTPM
- cerebral cortex: 84 nTPM
- hippocampal formation: 81 nTPM
- thalamus: 79 nTPM
- hypothalamus: 75 nTPM
DiseaseUniProt · ClinVar · IEDB · PubMed
Four sources answering four different questions about GNA11.
Disease | AllUniProt
Conditions GNA11 is implicated in, by any mechanism.
- Hypocalciuric hypercalcemia, familial 2 (HHC2) MIM:145981
- Hypocalcemia, autosomal dominant 2 (HYPOC2) MIM:615361
Disease | GeneticClinVar
23 pathogenic / likely-pathogenic of 435 ClinVar records.
Conditions with pathogenic or likely-pathogenic variants.
- Familial hypocalciuric hypercalcemia 2
- Autosomal dominant hypocalcemia 2
- See cases
- Neoplasm
- Papillary renal cell carcinoma type 1
ReferencesPubMed · IEDB
Publications for GNA11 from three distinct lines of evidence, kept separate because they answer different questions: whether antibodies are directed at the protein, whether a B-cell epitope has been mapped on it, and whether a T-cell epitope has. Each is labelled with its source.
Reference: AutoantibodyPubMed
2 publications
- Autoantibodies to PAX5, PTCH1, and GNA11 as Serological Biomarkers in the Detection of Hepatocellular Carcinoma in Hispanic Americans.
2023 · Int J Mol Sci · RCR 0.6 · 5 citations - Identification and Evaluation of Autoantibody to a Novel Tumor-Associated Antigen GNA11 as a Biomarker in Esophageal Squamous Cell Carcinoma.
2021 · Front Oncol · RCR 0.3 · 5 citations
Sources: PubMed — antigen-level antibody evidence from a custom retrieval. Records matching a controlled set of autoantibody terms (the MeSH descriptors Autoantibodies and Autoantigens, with title and abstract term variants) were obtained through NCBI E-utilities, and their titles and abstracts parsed for constructions that direct an antibody at a named protein rather than for co-occurrence. Captured names were resolved against UniProt nomenclature and each antigen adjudicated individually against the source text. Bibliographic records from PubMed and MeSH, U.S. National Library of Medicine; citation metrics from NIH iCite (Hutchins et al., PLoS Biology 2016). Titles link to PubMed; abstracts are not reproduced here. The NLM does not endorse this analysis.
Genetic constraint and essentialitygnomAD · DepMap
Does the body need this protein intact? Low LOEUF or a strong DepMap dependency means loss or blockade of the protein is likely to be felt.
- gnomAD LOEUF (loss-of-function intolerance)
- 0.4
- gnomAD pLI
- 0.89
- gnomAD missense Z
- 3.77
- DepMap mean gene effect
- -0.15
- DepMap dependency class
- selective
Cancer expressionTCGA
Across TCGA tumor cohorts, this protein is over-expressed in roughly 4% of surveyed tumor types (aggregate summary; per-cohort expression, alteration, and survival load in the interactive view).
OntologyGO
Biological processes
- action potential
- adenylate cyclase-modulating G protein-coupled receptor signaling pathway
- cellular response to pH
- cranial skeletal system development
- developmental pigmentation
- endothelin receptor signaling pathway
- entrainment of circadian clock
- G protein-coupled acetylcholine receptor signaling pathway
- heart development
- ligand-gated ion channel signaling pathway
- phospholipase C-activating dopamine receptor signaling pathway
- phospholipase C-activating G protein-coupled acetylcholine receptor signaling pathway
- phospholipase C-activating G protein-coupled receptor signaling pathway
- phototransduction, visible light
- positive regulation of insulin secretion
- regulation of blood pressure
- signal transduction
- skeletal system development
- regulation of melanocyte differentiation
Molecular functions
- enzyme regulator activity
- G protein activity
- G protein-coupled receptor binding
- G-protein beta/gamma-subunit complex binding
- GTP binding
- GTPase activity
- metal ion binding
Cellular components
Protein domainsUniProt · Pfam · InterPro
KeywordsUniProt
InteractionsUniProt · HPA
Protein binding partners of GNA11 in the human serome: UniProt-annotated complex subunits plus reported interactors. Each links to its own Seroatlas record.
Antibody and autoantibody relevanceSeroatlas analysis
Seroatlas reads GNA11 as an antibody target. Whether an autoantibody or antibody against GNA11 could matter depends on whether native GNA11 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.
GNA11 is annotated at the cell surface, where native GNA11 is exposed to circulating antibodies and is a prime autoantibody target that could block, deplete, or overstimulate it.
Annotation status
The present source text does not explicitly label GNA11 as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.
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