| Name | proline-rich protein BstNI subfamily 1 |
| Description | Predicted to be located in extracellular region. [provided by Alliance of Genome Resources, Mar 2025] |
| Summary |
{"type": "root", "children": [{"type": "p", "children": [{"type": "t", "text": "\nAutophagy is an evolutionarily conserved degradative process that maintains cellular homeostasis by mediating the clearance of cytoplasmic proteins and damaged organelles. A large body of work has detailed how autophagy‐related proteins—such as ATG5, ATG7, LC3 and others—are indispensable for autophagosome formation, energy regulation, innate immunity, and proper cellular differentiation in contexts ranging from neural maintenance and lymphocyte survival to metabolic adaptation and tissue regeneration."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "1", "end_ref": "15"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nIn the yeast model system, PRB1 encodes a vacuolar proteinase that plays a crucial role in proteolytic degradation and intracellular protein turnover. Although the provided collection of abstracts does not directly address PRB1 in mammalian systems, the parallels are noteworthy. The studies here focus extensively on the roles of core autophagy regulators (for example, ATG5/ATG7 and autophagy‐related conjugation systems) in controlling clearance and quality control processes fundamental to cell survival, immune defense, and tissue homeostasis. By analogy, a protease like PRB1 in yeast is central to the terminal degradation steps within vacuoles—and, if a homolog or functional equivalent exists in higher eukaryotes, it might similarly contribute to the final breakdown of autophagic cargo in lysosomes."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "16", "end_ref": "28"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nCollectively, these investigations underscore the multifaceted roles of autophagy in health and disease while highlighting a literature gap regarding PRB1’s function in mammalian cells. The absence of direct experimental evidence on PRB1 among these studies suggests that, although yeast PRB1 is essential for vacuolar proteolysis and protein turnover, its potential mammalian equivalents (or conserved mechanisms) in the context of autophagosome maturation and lysosomal degradation remain to be characterized. Future work is warranted to explore whether PRB1 or analogous proteases participate in the terminal stages of autophagy in higher organisms—a pursuit that could bridge insights from yeast models to the complexities of mammalian cell biology and pathology."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "29", "end_ref": "41"}]}, {"type": "t", "text": "\n"}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "Akiko Kuma, Masahiko Hatano, Makoto Matsui, et al. 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"}, {"type": "b", "children": [{"type": "t", "text": "Engagement of circular RNA HECW2 in the nonautophagic role of ATG5 implicated in the endothelial-mesenchymal transition."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Autophagy (2018)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1080/15548627.2017.1414755"}], "href": "https://doi.org/10.1080/15548627.2017.1414755"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "29260931"}], "href": "https://pubmed.ncbi.nlm.nih.gov/29260931"}]}, {"type": "r", "ref": 38, "children": [{"type": "t", "text": "Elise Burger, Alessandra Araujo, Américo López-Yglesias, et al. 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| Synonyms | PMF, PMS, PRB1L, PRB1M, PM |
| Proteins | PRP1_HUMAN |
| NCBI Gene ID | 5542 |
| 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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PRB1 has 2,187 functional associations with biological entities spanning 8 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) extracted from 61 datasets.
Click the + buttons to view associations for PRB1 from the datasets below.
If available, associations are ranked by standardized value
| Dataset | Summary | |
|---|---|---|
| Allen Brain Atlas Adult Human Brain Tissue Gene Expression Profiles | tissues with high or low expression of PRB1 gene relative to other tissues from the Allen Brain Atlas Adult Human Brain Tissue Gene Expression Profiles dataset. | |
| Allen Brain Atlas Prenatal Human Brain Tissue Gene Expression Profiles | tissues with high or low expression of PRB1 gene relative to other tissues from the Allen Brain Atlas Prenatal Human Brain Tissue Gene Expression Profiles dataset. | |
| BioGPS Cell Line Gene Expression Profiles | cell lines with high or low expression of PRB1 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 PRB1 gene relative to other cell types and tissues from the BioGPS Human Cell Type and Tissue Gene Expression Profiles dataset. | |
| BioGPS Mouse Cell Type and Tissue Gene Expression Profiles | cell types and tissues with high or low expression of PRB1 gene relative to other cell types and tissues from the BioGPS Mouse Cell Type and Tissue Gene Expression Profiles dataset. | |
| CCLE Cell Line Gene CNV Profiles | cell lines with high or low copy number of PRB1 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 PRB1 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 PRB1 gene from the CHEA Transcription Factor Binding Site Profiles dataset. | |
| ChEA Transcription Factor Targets | transcription factors binding the promoter of PRB1 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 PRB1 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 PRB1 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 PRB1 gene from the CMAP Signatures of Differentially Expressed Genes for Small Molecules dataset. | |
| COMPARTMENTS Curated Protein Localization Evidence Scores | cellular components containing PRB1 protein from the COMPARTMENTS Curated Protein Localization Evidence Scores dataset. | |
| COMPARTMENTS Text-mining Protein Localization Evidence Scores | cellular components co-occuring with PRB1 protein in abstracts of biomedical publications from the COMPARTMENTS Text-mining Protein Localization Evidence Scores dataset. | |
| COSMIC Cell Line Gene CNV Profiles | cell lines with high or low copy number of PRB1 gene relative to other cell lines from the COSMIC Cell Line Gene CNV Profiles dataset. | |
| COSMIC Cell Line Gene Mutation Profiles | cell lines with PRB1 gene mutations from the COSMIC Cell Line Gene Mutation Profiles dataset. | |
| CTD Gene-Chemical Interactions | chemicals interacting with PRB1 gene/protein from the curated CTD Gene-Chemical Interactions dataset. | |
| DISEASES Text-mining Gene-Disease Association Evidence Scores | diseases co-occuring with PRB1 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 PRB1 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 PRB1 gene in GWAS and other genetic association datasets from the DisGeNET Gene-Disease Associations dataset. | |
| DisGeNET Gene-Phenotype Associations | phenotypes associated with PRB1 gene in GWAS and other genetic association datasets from the DisGeNET Gene-Phenoptype Associations dataset. | |
| ENCODE Histone Modification Site Profiles | histone modification site profiles with high histone modification abundance at PRB1 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 PRB1 gene from the ENCODE Transcription Factor Binding Site Profiles dataset. | |
| ENCODE Transcription Factor Targets | transcription factors binding the promoter of PRB1 gene in ChIP-seq datasets from the ENCODE Transcription Factor Targets dataset. | |
| ESCAPE Omics Signatures of Genes and Proteins for Stem Cells | PubMedIDs of publications reporting gene signatures containing PRB1 from the ESCAPE Omics Signatures of Genes and Proteins for Stem Cells dataset. | |
| GeneSigDB Published Gene Signatures | PubMedIDs of publications reporting gene signatures containing PRB1 from the GeneSigDB Published Gene Signatures dataset. | |
| GEO Signatures of Differentially Expressed Genes for Diseases | disease perturbations changing expression of PRB1 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 PRB1 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 PRB1 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 PRB1 gene from the GEO Signatures of Differentially Expressed Genes for Small Molecules dataset. | |
| GEO Signatures of Differentially Expressed Genes for Transcription Factor Perturbations | transcription factor perturbations changing expression of PRB1 gene from the GEO Signatures of Differentially Expressed Genes for Transcription Factor Perturbations dataset. | |
| GEO Signatures of Differentially Expressed Genes for Viral Infections | virus perturbations changing expression of PRB1 gene from the GEO Signatures of Differentially Expressed Genes for Viral Infections dataset. | |
| GO Biological Process Annotations 2015 | biological processes involving PRB1 gene from the curated GO Biological Process Annotations 2015 dataset. | |
| GO Cellular Component Annotations 2015 | cellular components containing PRB1 protein from the curated GO Cellular Component Annotations 2015 dataset. | |
| GO Molecular Function Annotations 2015 | molecular functions performed by PRB1 gene from the curated GO Molecular Function Annotations 2015 dataset. | |
| GTEx Tissue Gene Expression Profiles | tissues with high or low expression of PRB1 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 PRB1 gene relative to other tissues from the GTEx Tissue Gene Expression Profiles 2023 dataset. | |
| Heiser et al., PNAS, 2011 Cell Line Gene Expression Profiles | cell lines with high or low expression of PRB1 gene relative to other cell lines from the Heiser et al., PNAS, 2011 Cell Line Gene Expression Profiles dataset. | |
| Hub Proteins Protein-Protein Interactions | interacting hub proteins for PRB1 from the curated Hub Proteins Protein-Protein Interactions dataset. | |
| InterPro Predicted Protein Domain Annotations | protein domains predicted for PRB1 protein from the InterPro Predicted Protein Domain Annotations dataset. | |
| JASPAR Predicted Transcription Factor Targets | transcription factors regulating expression of PRB1 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 PRB1 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 PRB1 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 PRB1 gene from the LINCS L1000 CMAP Chemical Perturbations Consensus Signatures dataset. | |
| LINCS L1000 CMAP CRISPR Knockout Consensus Signatures | gene perturbations changing expression of PRB1 gene from the LINCS L1000 CMAP CRISPR Knockout Consensus Signatures dataset. | |
| LINCS L1000 CMAP Signatures of Differentially Expressed Genes for Small Molecules | small molecule perturbations changing expression of PRB1 gene from the LINCS L1000 CMAP Signatures of Differentially Expressed Genes for Small Molecules dataset. | |
| LOCATE Curated Protein Localization Annotations | cellular components containing PRB1 protein in low- or high-throughput protein localization assays from the LOCATE Curated Protein Localization Annotations dataset. | |
| LOCATE Predicted Protein Localization Annotations | cellular components predicted to contain PRB1 protein from the LOCATE Predicted Protein Localization Annotations dataset. | |
| NURSA Protein Complexes | protein complexs containing PRB1 protein recovered by IP-MS from the NURSA Protein Complexes dataset. | |
| Pathway Commons Protein-Protein Interactions | interacting proteins for PRB1 from the Pathway Commons Protein-Protein Interactions dataset. | |
| PerturbAtlas Signatures of Differentially Expressed Genes for Gene Perturbations | gene perturbations changing expression of PRB1 gene from the PerturbAtlas Signatures of Differentially Expressed Genes for Gene Perturbations dataset. | |
| PFOCR Pathway Figure Associations 2023 | pathways involving PRB1 protein from the PFOCR Pathway Figure Associations 2023 dataset. | |
| PFOCR Pathway Figure Associations 2024 | pathways involving PRB1 protein from the Wikipathways PFOCR 2024 dataset. | |
| Phosphosite Textmining Biological Term Annotations | biological terms co-occuring with PRB1 protein in abstracts of publications describing phosphosites from the Phosphosite Textmining Biological Term Annotations dataset. | |
| Rummagene Transcription Factor Associations 2026 | transcription factors regulating expression of PRB1 gene from the Rummagene Transcription Factor Associations 2026 dataset. | |
| TargetScan Predicted Nonconserved microRNA Targets | microRNAs regulating expression of PRB1 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 PRB1 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 PRB1 protein from the TISSUES Curated Tissue Protein Expression Evidence Scores dataset. | |
| TISSUES Text-mining Tissue Protein Expression Evidence Scores | tissues co-occuring with PRB1 protein in abstracts of biomedical publications from the TISSUES Text-mining Tissue Protein Expression Evidence Scores dataset. | |
| WikiPathways Pathways 2014 | pathways involving PRB1 protein from the Wikipathways Pathways 2014 dataset. | |
| WikiPathways Pathways 2024 | pathways involving PRB1 protein from the WikiPathways Pathways 2024 dataset. | |