| HGNC Family | Immunoglobulin superfamily domain containing, Butyrophilins (BTN) |
| Name | butyrophilin-like 3 |
| Description | Predicted to enable signaling receptor binding activity. Predicted to be involved in T cell receptor signaling pathway and regulation of cytokine production. Predicted to be located in membrane. Predicted to be active in external side of plasma membrane. [provided by Alliance of Genome Resources, Mar 2025] |
| Summary |
{"type": "root", "children": [{"type": "p", "children": [{"type": "t", "text": "\n Butyrophilin‐like 3 (BTNL3) is an immunoregulatory glycoprotein that contributes to the fine‐tuning of γδ T cell responses. Recent studies have demonstrated that the extracellular immunoglobulin V (IgV) domain of BTNL3 directly and specifically binds to T cell receptors expressed by human Vγ4‐bearing γδ T cells, thereby functioning as a bona fide ligand that modulates these lymphocytes’ activity."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "1"}]}, {"type": "t", "text": "\n "}]}, {"type": "t", "text": "\n "}, {"type": "p", "children": [{"type": "t", "text": "\n In parallel, genetic analyses have uncovered recurrent copy number variants that affect the BTNL3 locus—often in conjunction with BTNL8—leading to disrupted transcription of these genes. Although these structural variants are also present at high frequencies in the general population, they may influence immune function and impact disease susceptibility in contexts such as malignancy and inflammatory conditions."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "3"}]}, {"type": "t", "text": "\n "}]}, {"type": "t", "text": "\n "}, {"type": "p", "children": [{"type": "t", "text": "\n Collectively, these findings indicate that BTNL3 plays a pivotal role in bridging innate and adaptive immunity by directly engaging with specific γδ T cell subsets and that genetic variation at its locus could have broader implications for host defense and disease pathogenesis.\n "}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "Carrie R Willcox, Pierre Vantourout, Mahboob Salim, et al. "}, {"type": "b", "children": [{"type": "t", "text": "Butyrophilin-like 3 Directly Binds a Human Vγ4"}, {"type": "a", "children": [{"type": "t", "text": "sup"}], "href": "sup"}, {"type": "t", "text": "+"}, {"type": "a", "children": [{"type": "t", "text": "/sup"}], "href": "/sup"}, {"type": "t", "text": " T Cell Receptor Using a Modality Distinct from Clonally-Restricted Antigen."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Immunity (2019)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1016/j.immuni.2019.09.006"}], "href": "https://doi.org/10.1016/j.immuni.2019.09.006"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "31628053"}], "href": "https://pubmed.ncbi.nlm.nih.gov/31628053"}]}, {"type": "r", "ref": 2, "children": [{"type": "t", "text": "Ningning Cai, Shuai Han, Yonghui Zhang "}, {"type": "b", "children": [{"type": "t", "text": "Docking Complete: A Step Further toward the Holy Grail of γδ T Cell Biology."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Immunity (2019)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1016/j.immuni.2019.10.013"}], "href": "https://doi.org/10.1016/j.immuni.2019.10.013"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "31747576"}], "href": "https://pubmed.ncbi.nlm.nih.gov/31747576"}]}, {"type": "r", "ref": 3, "children": [{"type": "t", "text": "Anna Bobyn, Mehdi Zarrei, Yuankun Zhu, et al. "}, {"type": "b", "children": [{"type": "t", "text": "Ancestry and frequency of genetic variants in the general population are confounders in the characterization of germline variants linked to cancer."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "BMC Med Genet (2020)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1186/s12881-020-01033-x"}], "href": "https://doi.org/10.1186/s12881-020-01033-x"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "32375678"}], "href": "https://pubmed.ncbi.nlm.nih.gov/32375678"}]}, {"type": "r", "ref": 4, "children": [{"type": "t", "text": "Johanna Aigner, Sergi Villatoro, Raquel Rabionet, et al. "}, {"type": "b", "children": [{"type": "t", "text": "A common 56-kilobase deletion in a primate-specific segmental duplication creates a novel butyrophilin-like protein."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "BMC Genet (2013)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1186/1471-2156-14-61"}], "href": "https://doi.org/10.1186/1471-2156-14-61"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "23829304"}], "href": "https://pubmed.ncbi.nlm.nih.gov/23829304"}]}]}]}
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| Synonyms | BTNLR, BTN9.1 |
| Proteins | BTNL3_HUMAN |
| NCBI Gene ID | 10917 |
| API | |
| Download Associations | |
| Predicted Functions |
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| Co-expressed Genes |
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| Expression in Tissues and Cell Lines |
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BTNL3 has 2,624 functional associations with biological entities spanning 9 categories (molecular profile, organism, chemical, functional term, phrase or reference, disease, phenotype or trait, structural feature, cell line, cell type or tissue, gene, protein or microRNA, sequence feature) extracted from 67 datasets.
Click the + buttons to view associations for BTNL3 from the datasets below.
If available, associations are ranked by standardized value
| Dataset | Summary | |
|---|---|---|
| Achilles Cell Line Gene Essentiality Profiles | cell lines with fitness changed by BTNL3 gene knockdown relative to other cell lines from the Achilles Cell Line Gene Essentiality Profiles dataset. | |
| Allen Brain Atlas Aging Dementia and Traumatic Brain Injury Tissue Sample Gene Expression Profiles | tissue samples with high or low expression of BTNL3 gene relative to other tissue samples from the Allen Brain Atlas Aging Dementia and Traumatic Brain Injury Tissue Sample Gene Expression Profiles dataset. | |
| Allen Brain Atlas Developing Human Brain Tissue Gene Expression Profiles by Microarray | tissue samples with high or low expression of BTNL3 gene relative to other tissue samples from the Allen Brain Atlas Developing Human Brain Tissue Gene Expression Profiles by Microarray dataset. | |
| BioGPS Cell Line Gene Expression Profiles | cell lines with high or low expression of BTNL3 gene relative to other cell lines from the BioGPS Cell Line Gene Expression Profiles dataset. | |
| BioGPS Human Cell Type and Tissue Gene Expression Profiles | cell types and tissues with high or low expression of BTNL3 gene relative to other cell types and tissues from the BioGPS Human Cell Type and Tissue Gene Expression Profiles dataset. | |
| Carcinogenome Chemical Perturbation Carcinogenicity Signatures | small molecule perturbations changing expression of BTNL3 gene from the Carcinogenome Chemical Perturbation Carcinogenicity Signatures dataset. | |
| CCLE Cell Line Gene CNV Profiles | cell lines with high or low copy number of BTNL3 gene relative to other cell lines from the CCLE Cell Line Gene CNV Profiles dataset. | |
| CCLE Cell Line Gene Expression Profiles | cell lines with high or low expression of BTNL3 gene relative to other cell lines from the CCLE Cell Line Gene Expression Profiles dataset. | |
| ChEA Transcription Factor Binding Site Profiles | transcription factor binding site profiles with transcription factor binding evidence at the promoter of BTNL3 gene from the CHEA Transcription Factor Binding Site Profiles dataset. | |
| ChEA Transcription Factor Targets | transcription factors binding the promoter of BTNL3 gene in low- or high-throughput transcription factor functional studies from the CHEA Transcription Factor Targets dataset. | |
| ChEA Transcription Factor Targets 2022 | transcription factors binding the promoter of BTNL3 gene in low- or high-throughput transcription factor functional studies from the CHEA Transcription Factor Targets 2022 dataset. | |
| CM4AI KOLF21J CRISPRi Gene Perturbation Atlas | gene perturbations changing expression of BTNL3 gene from the CM4AI KOLF21J CRISPRi Gene Perturbation Atlas dataset. | |
| CMAP Signatures of Differentially Expressed Genes for Small Molecules | small molecule perturbations changing expression of BTNL3 gene from the CMAP Signatures of Differentially Expressed Genes for Small Molecules dataset. | |
| COMPARTMENTS Curated Protein Localization Evidence Scores | cellular components containing BTNL3 protein from the COMPARTMENTS Curated Protein Localization Evidence Scores dataset. | |
| COMPARTMENTS Curated Protein Localization Evidence Scores 2025 | cellular components containing BTNL3 protein from the COMPARTMENTS Curated Protein Localization Evidence Scores 2025 dataset. | |
| COMPARTMENTS Text-mining Protein Localization Evidence Scores 2025 | cellular components co-occuring with BTNL3 protein in abstracts of biomedical publications from the COMPARTMENTS Text-mining Protein Localization Evidence Scores 2025 dataset. | |
| COSMIC Cell Line Gene CNV Profiles | cell lines with high or low copy number of BTNL3 gene relative to other cell lines from the COSMIC Cell Line Gene CNV Profiles dataset. | |
| COSMIC Cell Line Gene Mutation Profiles | cell lines with BTNL3 gene mutations from the COSMIC Cell Line Gene Mutation Profiles dataset. | |
| DepMap CRISPR Gene Dependency | cell lines with fitness changed by BTNL3 gene knockdown relative to other cell lines from the DepMap CRISPR Gene Dependency dataset. | |
| DISEASES Text-mining Gene-Disease Association Evidence Scores | diseases co-occuring with BTNL3 gene in abstracts of biomedical publications from the DISEASES Text-mining Gene-Disease Assocation Evidence Scores dataset. | |
| DISEASES Text-mining Gene-Disease Association Evidence Scores 2025 | diseases co-occuring with BTNL3 gene in abstracts of biomedical publications from the DISEASES Text-mining Gene-Disease Assocation Evidence Scores 2025 dataset. | |
| DisGeNET Gene-Disease Associations | diseases associated with BTNL3 gene in GWAS and other genetic association datasets from the DisGeNET Gene-Disease Associations dataset. | |
| ENCODE Histone Modification Site Profiles | histone modification site profiles with high histone modification abundance at BTNL3 gene from the ENCODE Histone Modification Site Profiles dataset. | |
| ENCODE Transcription Factor Binding Site Profiles | transcription factor binding site profiles with transcription factor binding evidence at the promoter of BTNL3 gene from the ENCODE Transcription Factor Binding Site Profiles dataset. | |
| ENCODE Transcription Factor Targets | transcription factors binding the promoter of BTNL3 gene in ChIP-seq datasets from the ENCODE Transcription Factor Targets dataset. | |
| GDSC Cell Line Gene Expression Profiles | cell lines with high or low expression of BTNL3 gene relative to other cell lines from the GDSC Cell Line Gene Expression Profiles dataset. | |
| GeneSigDB Published Gene Signatures | PubMedIDs of publications reporting gene signatures containing BTNL3 from the GeneSigDB Published Gene Signatures dataset. | |
| GEO Signatures of Differentially Expressed Genes for Diseases | disease perturbations changing expression of BTNL3 gene from the GEO Signatures of Differentially Expressed Genes for Diseases dataset. | |
| GEO Signatures of Differentially Expressed Genes for Gene Perturbations | gene perturbations changing expression of BTNL3 gene from the GEO Signatures of Differentially Expressed Genes for Gene Perturbations dataset. | |
| GEO Signatures of Differentially Expressed Genes for Kinase Perturbations | kinase perturbations changing expression of BTNL3 gene from the GEO Signatures of Differentially Expressed Genes for Kinase Perturbations dataset. | |
| GEO Signatures of Differentially Expressed Genes for Small Molecules | small molecule perturbations changing expression of BTNL3 gene from the GEO Signatures of Differentially Expressed Genes for Small Molecules dataset. | |
| GEO Signatures of Differentially Expressed Genes for Viral Infections | virus perturbations changing expression of BTNL3 gene from the GEO Signatures of Differentially Expressed Genes for Viral Infections dataset. | |
| GO Biological Process Annotations 2015 | biological processes involving BTNL3 gene from the curated GO Biological Process Annotations 2015 dataset. | |
| GO Biological Process Annotations 2023 | biological processes involving BTNL3 gene from the curated GO Biological Process Annotations 2023 dataset. | |
| GO Biological Process Annotations 2025 | biological processes involving BTNL3 gene from the curated GO Biological Process Annotations2025 dataset. | |
| GO Cellular Component Annotations 2015 | cellular components containing BTNL3 protein from the curated GO Cellular Component Annotations 2015 dataset. | |
| GO Molecular Function Annotations 2015 | molecular functions performed by BTNL3 gene from the curated GO Molecular Function Annotations 2015 dataset. | |
| GTEx eQTL 2025 | SNPs regulating expression of BTNL3 gene from the GTEx eQTL 2025 dataset. | |
| GTEx Tissue Gene Expression Profiles | tissues with high or low expression of BTNL3 gene relative to other tissues from the GTEx Tissue Gene Expression Profiles dataset. | |
| GTEx Tissue Gene Expression Profiles 2023 | tissues with high or low expression of BTNL3 gene relative to other tissues from the GTEx Tissue Gene Expression Profiles 2023 dataset. | |
| GTEx Tissue Sample Gene Expression Profiles | tissue samples with high or low expression of BTNL3 gene relative to other tissue samples from the GTEx Tissue Sample Gene Expression Profiles dataset. | |
| GWAS Catalog SNP-Phenotype Associations 2025 | phenotypes associated with BTNL3 gene in GWAS datasets from the GWAS Catalog SNP-Phenotype Associations 2025 dataset. | |
| Heiser et al., PNAS, 2011 Cell Line Gene Expression Profiles | cell lines with high or low expression of BTNL3 gene relative to other cell lines from the Heiser et al., PNAS, 2011 Cell Line Gene Expression Profiles dataset. | |
| HPA Tissue Gene Expression Profiles | tissues with high or low expression of BTNL3 gene relative to other tissues from the HPA Tissue Gene Expression Profiles dataset. | |
| HPA Tissue Sample Gene Expression Profiles | tissue samples with high or low expression of BTNL3 gene relative to other tissue samples from the HPA Tissue Sample Gene Expression Profiles dataset. | |
| InterPro Predicted Protein Domain Annotations | protein domains predicted for BTNL3 protein from the InterPro Predicted Protein Domain Annotations dataset. | |
| JASPAR Predicted Human Transcription Factor Targets 2025 | transcription factors regulating expression of BTNL3 gene predicted using known transcription factor binding site motifs from the JASPAR Predicted Human Transcription Factor Targets dataset. | |
| JASPAR Predicted Transcription Factor Targets | transcription factors regulating expression of BTNL3 gene predicted using known transcription factor binding site motifs from the JASPAR Predicted Transcription Factor Targets dataset. | |
| Klijn et al., Nat. Biotechnol., 2015 Cell Line Gene CNV Profiles | cell lines with high or low copy number of BTNL3 gene relative to other cell lines from the Klijn et al., Nat. Biotechnol., 2015 Cell Line Gene CNV Profiles dataset. | |
| KnockTF Gene Expression Profiles with Transcription Factor Perturbations | transcription factor perturbations changing expression of BTNL3 gene from the KnockTF Gene Expression Profiles with Transcription Factor Perturbations dataset. | |
| LINCS L1000 CMAP Chemical Perturbation Consensus Signatures | small molecule perturbations changing expression of BTNL3 gene from the LINCS L1000 CMAP Chemical Perturbations Consensus Signatures dataset. | |
| LOCATE Predicted Protein Localization Annotations | cellular components predicted to contain BTNL3 protein from the LOCATE Predicted Protein Localization Annotations dataset. | |
| MiRTarBase microRNA Targets | microRNAs targeting BTNL3 gene in low- or high-throughput microRNA targeting studies from the MiRTarBase microRNA Targets dataset. | |
| NURSA Protein Complexes | protein complexs containing BTNL3 protein recovered by IP-MS from the NURSA Protein Complexes dataset. | |
| PerturbAtlas Signatures of Differentially Expressed Genes for Gene Perturbations | gene perturbations changing expression of BTNL3 gene from the PerturbAtlas Signatures of Differentially Expressed Genes for Gene Perturbations dataset. | |
| Roadmap Epigenomics Histone Modification Site Profiles | histone modification site profiles with high histone modification abundance at BTNL3 gene from the Roadmap Epigenomics Histone Modification Site Profiles dataset. | |
| Rummagene Transcription Factor Associations 2026 | transcription factors regulating expression of BTNL3 gene from the Rummagene Transcription Factor Associations 2026 dataset. | |
| RummaGEO Drug Perturbation Signatures | drug perturbations changing expression of BTNL3 gene from the RummaGEO Drug Perturbation Signatures dataset. | |
| RummaGEO Gene Perturbation Signatures | gene perturbations changing expression of BTNL3 gene from the RummaGEO Gene Perturbation Signatures dataset. | |
| Tabula Sapiens Gene-Cell Associations | cell types with high or low expression of BTNL3 gene relative to other cell types from the Tabula Sapiens Gene-Cell Associations dataset. | |
| TargetScan Predicted Nonconserved microRNA Targets | microRNAs regulating expression of BTNL3 gene predicted using nonconserved miRNA seed sequences from the TargetScan Predicted Nonconserved microRNA Targets dataset. | |
| TCGA Signatures of Differentially Expressed Genes for Tumors | tissue samples with high or low expression of BTNL3 gene relative to other tissue samples from the TCGA Signatures of Differentially Expressed Genes for Tumors dataset. | |
| TISSUES Curated Tissue Protein Expression Evidence Scores | tissues with high expression of BTNL3 protein from the TISSUES Curated Tissue Protein Expression Evidence Scores dataset. | |
| TISSUES Curated Tissue Protein Expression Evidence Scores 2025 | tissues with high expression of BTNL3 protein from the TISSUES Curated Tissue Protein Expression Evidence Scores 2025 dataset. | |
| TISSUES Experimental Tissue Protein Expression Evidence Scores 2025 | tissues with high expression of BTNL3 protein in proteomics datasets from the TISSUES Experimental Tissue Protein Expression Evidence Scores 2025 dataset. | |
| TISSUES Text-mining Tissue Protein Expression Evidence Scores | tissues co-occuring with BTNL3 protein in abstracts of biomedical publications from the TISSUES Text-mining Tissue Protein Expression Evidence Scores dataset. | |
| TISSUES Text-mining Tissue Protein Expression Evidence Scores 2025 | tissues co-occuring with BTNL3 protein in abstracts of biomedical publications from the TISSUES Text-mining Tissue Protein Expression Evidence Scores 2025 dataset. | |