PPP1R18 Gene

HGNC Family Protein phosphatase 1 regulatory subunits (PPP1R)
Name protein phosphatase 1, regulatory subunit 18
Description Protein phosphatase-1 (PP1; see MIM 176875) interacts with regulatory subunits that target the enzyme to different cellular locations and change its activity toward specific substrates. Phostensin is a regulatory subunit that targets PP1 to F-actin (see MIM 102610) cytoskeleton (Kao et al., 2007 [PubMed 17374523]).[supplied by OMIM, Mar 2008]
Summary
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Several reports describe how neutrophil‐derived serine proteases (e.g., neutrophil elastase, cathepsin G) orchestrate vital host defense mechanisms, with their activity tightly controlled by protease inhibitors and by signaling cascades that are frequently modulated via phosphorylation."}, {"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 this context, PPP1R18 might influence key signaling nodes that control both the trafficking and activity of enzymes involved in host defense and inflammatory regulation. For instance, studies of B cell and neutrophil function, as well as investigations into the regulation of protease activity by factors such as myeloperoxidase or by nuclear pore proteins, underscore the importance of precise phosphoregulation and protein–protein interactions in mediating immune responses."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "16", "end_ref": "30"}]}, {"type": "t", "text": "\nSuch phosphatase regulatory subunits can affect the activity of kinases and transcription factors, thereby potentially modulating the expression of genes involved in protease production, cytokine signaling, and even leukemogenic transformation as highlighted by studies on translocations and chromatin-associated nuclear pore factors.\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nCollectively, while the provided literature spans diverse aspects of immune regulation—from protease-mediated tissue injury and resolution of inflammation to metabolic and transcriptional control in both normal and diseased states—the inferred function of PPP1R18 is to fine‐tune these processes by regulating PP1 activity. Through such modulation, PPP1R18 may influence neutrophil migration, cytokine processing, and the delicate balance between pro‑inflammatory and anti‑inflammatory signaling cascades, thereby impacting outcomes in conditions such as pneumonia, autoimmune diabetes, pulmonary fibrosis, and even cancer. Further dedicated studies are needed to elucidate the precise role of PPP1R18 in these complex signaling networks and to determine whether it represents a viable target for therapeutic intervention."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "31", "end_ref": "43"}]}, {"type": "t", "text": "\n"}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "Steffen Massberg, Lenka Grahl, Marie-Luise von Bruehl, et al. 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Synonyms KIAA1949, HKMT1098
Proteins PPR18_HUMAN
NCBI Gene ID 170954
API
Download Associations
Predicted Functions View PPP1R18's ARCHS4 Predicted Functions.
Co-expressed Genes View PPP1R18's ARCHS4 Predicted Functions.
Expression in Tissues and Cell Lines View PPP1R18's ARCHS4 Predicted Functions.

Functional Associations

PPP1R18 has 4,696 functional associations with biological entities spanning 9 categories (molecular profile, organism, functional term, phrase or reference, chemical, disease, phenotype or trait, structural feature, cell line, cell type or tissue, gene, protein or microRNA, sequence feature) extracted from 102 datasets.

Click the + buttons to view associations for PPP1R18 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 PPP1R18 gene relative to other tissues from the Allen Brain Atlas Adult Human Brain Tissue Gene Expression Profiles dataset.
Allen Brain Atlas Adult Mouse Brain Tissue Gene Expression Profiles tissues with high or low expression of PPP1R18 gene relative to other tissues from the Allen Brain Atlas Adult Mouse Brain Tissue Gene Expression Profiles dataset.
Allen Brain Atlas Aging Dementia and Traumatic Brain Injury Tissue Sample Gene Expression Profiles tissue samples with high or low expression of PPP1R18 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 PPP1R18 gene relative to other tissue samples from the Allen Brain Atlas Developing Human Brain Tissue Gene Expression Profiles by Microarray dataset.
Allen Brain Atlas Developing Human Brain Tissue Gene Expression Profiles by RNA-seq tissue samples with high or low expression of PPP1R18 gene relative to other tissue samples from the Allen Brain Atlas Developing Human Brain Tissue Gene Expression Profiles by RNA-seq dataset.
Allen Brain Atlas Prenatal Human Brain Tissue Gene Expression Profiles tissues with high or low expression of PPP1R18 gene relative to other tissues from the Allen Brain Atlas Prenatal Human Brain Tissue Gene Expression Profiles dataset.
BioGPS Human Cell Type and Tissue Gene Expression Profiles cell types and tissues with high or low expression of PPP1R18 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 PPP1R18 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 PPP1R18 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 PPP1R18 gene relative to other cell lines from the CCLE Cell Line Gene Expression Profiles dataset.
CCLE Cell Line Proteomics Cell lines associated with PPP1R18 protein from the CCLE Cell Line Proteomics dataset.
CellMarker Gene-Cell Type Associations cell types associated with PPP1R18 gene from the CellMarker Gene-Cell Type Associations dataset.
ChEA Transcription Factor Binding Site Profiles transcription factor binding site profiles with transcription factor binding evidence at the promoter of PPP1R18 gene from the CHEA Transcription Factor Binding Site Profiles dataset.
ChEA Transcription Factor Targets transcription factors binding the promoter of PPP1R18 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 PPP1R18 gene in low- or high-throughput transcription factor functional studies from the CHEA Transcription Factor Targets 2022 dataset.
CM4AI U2OS Cell Map Protein Localization Assemblies assemblies containing PPP1R18 protein from integrated AP-MS and IF data from the CM4AI U2OS Cell Map Protein Localization Assemblies dataset.
COMPARTMENTS Curated Protein Localization Evidence Scores cellular components containing PPP1R18 protein from the COMPARTMENTS Curated Protein Localization Evidence Scores dataset.
COMPARTMENTS Text-mining Protein Localization Evidence Scores cellular components co-occuring with PPP1R18 protein in abstracts of biomedical publications from the COMPARTMENTS Text-mining Protein Localization Evidence Scores dataset.
COMPARTMENTS Text-mining Protein Localization Evidence Scores 2025 cellular components co-occuring with PPP1R18 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 PPP1R18 gene relative to other cell lines from the COSMIC Cell Line Gene CNV Profiles dataset.
COSMIC Cell Line Gene Mutation Profiles cell lines with PPP1R18 gene mutations from the COSMIC Cell Line Gene Mutation Profiles dataset.
CTD Gene-Chemical Interactions chemicals interacting with PPP1R18 gene/protein from the curated CTD Gene-Chemical Interactions dataset.
CTD Gene-Disease Associations diseases associated with PPP1R18 gene/protein from the curated CTD Gene-Disease Associations dataset.
DeepCoverMOA Drug Mechanisms of Action small molecule perturbations with high or low expression of PPP1R18 protein relative to other small molecule perturbations from the DeepCoverMOA Drug Mechanisms of Action dataset.
DepMap CRISPR Gene Dependency cell lines with fitness changed by PPP1R18 gene knockdown relative to other cell lines from the DepMap CRISPR Gene Dependency dataset.
DISEASES Experimental Gene-Disease Association Evidence Scores diseases associated with PPP1R18 gene in GWAS datasets from the DISEASES Experimental Gene-Disease Assocation Evidence Scores dataset.
DISEASES Experimental Gene-Disease Association Evidence Scores 2025 diseases associated with PPP1R18 gene in GWAS datasets from the DISEASES Experimental Gene-Disease Assocation Evidence Scores 2025 dataset.
DISEASES Text-mining Gene-Disease Association Evidence Scores diseases co-occuring with PPP1R18 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 PPP1R18 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 PPP1R18 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 PPP1R18 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 PPP1R18 gene from the ENCODE Transcription Factor Binding Site Profiles dataset.
ENCODE Transcription Factor Targets transcription factors binding the promoter of PPP1R18 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 PPP1R18 from the ESCAPE Omics Signatures of Genes and Proteins for Stem Cells dataset.
GAD Gene-Disease Associations diseases associated with PPP1R18 gene in GWAS and other genetic association datasets from the GAD Gene-Disease Associations dataset.
GAD High Level Gene-Disease Associations diseases associated with PPP1R18 gene in GWAS and other genetic association datasets from the GAD High Level Gene-Disease Associations dataset.
GeneRIF Biological Term Annotations biological terms co-occuring with PPP1R18 gene in literature-supported statements describing functions of genes from the GeneRIF Biological Term Annotations dataset.
GeneSigDB Published Gene Signatures PubMedIDs of publications reporting gene signatures containing PPP1R18 from the GeneSigDB Published Gene Signatures dataset.
GEO Signatures of Differentially Expressed Genes for Diseases disease perturbations changing expression of PPP1R18 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 PPP1R18 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 PPP1R18 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 PPP1R18 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 PPP1R18 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 PPP1R18 gene from the GEO Signatures of Differentially Expressed Genes for Viral Infections dataset.
GO Cellular Component Annotations 2015 cellular components containing PPP1R18 protein from the curated GO Cellular Component Annotations 2015 dataset.
GO Molecular Function Annotations 2015 molecular functions performed by PPP1R18 gene from the curated GO Molecular Function Annotations 2015 dataset.
GTEx eQTL 2025 SNPs regulating expression of PPP1R18 gene from the GTEx eQTL 2025 dataset.
GTEx Tissue Gene Expression Profiles tissues with high or low expression of PPP1R18 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 PPP1R18 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 PPP1R18 gene relative to other tissue samples from the GTEx Tissue Sample Gene Expression Profiles dataset.
GWAS Catalog SNP-Phenotype Associations 2025 phenotypes associated with PPP1R18 gene in GWAS datasets from the GWAS Catalog SNP-Phenotype Associations 2025 dataset.
GWASdb SNP-Disease Associations diseases associated with PPP1R18 gene in GWAS and other genetic association datasets from the GWASdb SNP-Disease Associations dataset.
GWASdb SNP-Phenotype Associations phenotypes associated with PPP1R18 gene in GWAS datasets from the GWASdb SNP-Phenotype Associations dataset.
HPA Cell Line Gene Expression Profiles cell lines with high or low expression of PPP1R18 gene relative to other cell lines from the HPA Cell Line Gene Expression Profiles dataset.
HPA Tissue Gene Expression Profiles tissues with high or low expression of PPP1R18 gene relative to other tissues from the HPA Tissue Gene Expression Profiles dataset.
HPA Tissue Protein Expression Profiles tissues with high or low expression of PPP1R18 protein relative to other tissues from the HPA Tissue Protein Expression Profiles dataset.
HPA Tissue Sample Gene Expression Profiles tissue samples with high or low expression of PPP1R18 gene relative to other tissue samples from the HPA Tissue Sample Gene Expression Profiles dataset.
Hub Proteins Protein-Protein Interactions interacting hub proteins for PPP1R18 from the curated Hub Proteins Protein-Protein Interactions dataset.
HuGE Navigator Gene-Phenotype Associations phenotypes associated with PPP1R18 gene by text-mining GWAS publications from the HuGE Navigator Gene-Phenotype Associations dataset.
InterPro Predicted Protein Domain Annotations protein domains predicted for PPP1R18 protein from the InterPro Predicted Protein Domain Annotations dataset.
JASPAR Predicted Human Transcription Factor Targets 2025 transcription factors regulating expression of PPP1R18 gene predicted using known transcription factor binding site motifs from the JASPAR Predicted Human Transcription Factor Targets dataset.
JASPAR Predicted Mouse Transcription Factor Targets 2025 transcription factors regulating expression of PPP1R18 gene predicted using known transcription factor binding site motifs from the JASPAR Predicted Mouse Transcription Factor Targets 2025 dataset.
JASPAR Predicted Transcription Factor Targets transcription factors regulating expression of PPP1R18 gene predicted using known transcription factor binding site motifs from the JASPAR Predicted Transcription Factor Targets dataset.
Kinase Library Serine Threonine Kinome Atlas kinases that phosphorylate PPP1R18 protein from the Kinase Library Serine Threonine Atlas dataset.
Kinase Library Tyrosine Kinome Atlas kinases that phosphorylate PPP1R18 protein from the Kinase Library Tyrosine Kinome Atlas dataset.
Klijn et al., Nat. Biotechnol., 2015 Cell Line Gene CNV Profiles cell lines with high or low copy number of PPP1R18 gene relative to other cell lines from the Klijn et al., Nat. Biotechnol., 2015 Cell Line Gene CNV Profiles dataset.
Klijn et al., Nat. Biotechnol., 2015 Cell Line Gene Expression Profiles cell lines with high or low expression of PPP1R18 gene relative to other cell lines from the Klijn et al., Nat. Biotechnol., 2015 Cell Line Gene Expression Profiles dataset.
Klijn et al., Nat. Biotechnol., 2015 Cell Line Gene Mutation Profiles cell lines with PPP1R18 gene mutations from the Klijn et al., Nat. Biotechnol., 2015 Cell Line Gene Mutation Profiles dataset.
LOCATE Predicted Protein Localization Annotations cellular components predicted to contain PPP1R18 protein from the LOCATE Predicted Protein Localization Annotations dataset.
MGI Mouse Phenotype Associations 2023 phenotypes of transgenic mice caused by PPP1R18 gene mutations from the MGI Mouse Phenotype Associations 2023 dataset.
MiRTarBase microRNA Targets microRNAs targeting PPP1R18 gene in low- or high-throughput microRNA targeting studies from the MiRTarBase microRNA Targets dataset.
MotifMap Predicted Transcription Factor Targets transcription factors regulating expression of PPP1R18 gene predicted using known transcription factor binding site motifs from the MotifMap Predicted Transcription Factor Targets dataset.
MoTrPAC Rat Endurance Exercise Training tissue samples with high or low expression of PPP1R18 gene relative to other tissue samples from the MoTrPAC Rat Endurance Exercise Training dataset.
NIBR DRUG-seq U2OS MoA Box Gene Expression Profiles drug perturbations changing expression of PPP1R18 gene from the NIBR DRUG-seq U2OS MoA Box dataset.
NURSA Protein Complexes protein complexs containing PPP1R18 protein recovered by IP-MS from the NURSA Protein Complexes dataset.
Pathway Commons Protein-Protein Interactions interacting proteins for PPP1R18 from the Pathway Commons Protein-Protein Interactions dataset.
PerturbAtlas Signatures of Differentially Expressed Genes for Gene Perturbations gene perturbations changing expression of PPP1R18 gene from the PerturbAtlas Signatures of Differentially Expressed Genes for Gene Perturbations dataset.
PerturbAtlas Signatures of Differentially Expressed Genes for Mouse Gene Perturbations gene perturbations changing expression of PPP1R18 gene from the PerturbAtlas Signatures of Differentially Expressed Genes for Gene Perturbations dataset.
PFOCR Pathway Figure Associations 2023 pathways involving PPP1R18 protein from the PFOCR Pathway Figure Associations 2023 dataset.
PFOCR Pathway Figure Associations 2024 pathways involving PPP1R18 protein from the Wikipathways PFOCR 2024 dataset.
Replogle et al., Cell, 2022 K562 Essential Perturb-seq Gene Perturbation Signatures gene perturbations changing expression of PPP1R18 gene from the Replogle et al., Cell, 2022 K562 Essential Perturb-seq Gene Perturbation Signatures dataset.
Replogle et al., Cell, 2022 K562 Genome-wide Perturb-seq Gene Perturbation Signatures gene perturbations changing expression of PPP1R18 gene from the Replogle et al., Cell, 2022 K562 Genome-wide Perturb-seq Gene Perturbation Signatures dataset.
Replogle et al., Cell, 2022 RPE1 Essential Perturb-seq Gene Perturbation Signatures gene perturbations changing expression of PPP1R18 gene from the Replogle et al., Cell, 2022 RPE1 Essential Perturb-seq Gene Perturbation Signatures dataset.
Roadmap Epigenomics Cell and Tissue DNA Methylation Profiles cell types and tissues with high or low DNA methylation of PPP1R18 gene relative to other cell types and tissues from the Roadmap Epigenomics Cell and Tissue DNA Methylation Profiles dataset.
Roadmap Epigenomics Cell and Tissue Gene Expression Profiles cell types and tissues with high or low expression of PPP1R18 gene relative to other cell types and tissues from the Roadmap Epigenomics Cell and Tissue Gene Expression Profiles dataset.
RummaGEO Drug Perturbation Signatures drug perturbations changing expression of PPP1R18 gene from the RummaGEO Drug Perturbation Signatures dataset.
RummaGEO Gene Perturbation Signatures gene perturbations changing expression of PPP1R18 gene from the RummaGEO Gene Perturbation Signatures dataset.
Sanger Dependency Map Cancer Cell Line Proteomics cell lines associated with PPP1R18 protein from the Sanger Dependency Map Cancer Cell Line Proteomics dataset.
Sci-Plex Drug Perturbation Signatures drug perturbations changing expression of PPP1R18 gene from the Sci-Plex Drug Perturbation Signatures dataset.
SILAC Phosphoproteomics Signatures of Differentially Phosphorylated Proteins for Drugs drug perturbations changing phosphorylation of PPP1R18 protein from the SILAC Phosphoproteomics Signatures of Differentially Phosphorylated Proteins for Drugs dataset.
SILAC Phosphoproteomics Signatures of Differentially Phosphorylated Proteins for Protein Ligands ligand (protein) perturbations changing phosphorylation of PPP1R18 protein from the SILAC Phosphoproteomics Signatures of Differentially Phosphorylated Proteins for Protein Ligands dataset.
Tabula Sapiens Gene-Cell Associations cell types with high or low expression of PPP1R18 gene relative to other cell types from the Tabula Sapiens Gene-Cell Associations dataset.
Tahoe Therapeutics Tahoe 100M Perturbation Atlas drug perturbations changing expression of PPP1R18 gene from the Tahoe Therapeutics Tahoe 100M Perturbation Atlas dataset.
TargetScan Predicted Conserved microRNA Targets microRNAs regulating expression of PPP1R18 gene predicted using conserved miRNA seed sequences from the TargetScan Predicted Conserved microRNA Targets dataset.
TargetScan Predicted Nonconserved microRNA Targets microRNAs regulating expression of PPP1R18 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 PPP1R18 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 PPP1R18 protein from the TISSUES Curated Tissue Protein Expression Evidence Scores dataset.
TISSUES Curated Tissue Protein Expression Evidence Scores 2025 tissues with high expression of PPP1R18 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 PPP1R18 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 PPP1R18 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 PPP1R18 protein in abstracts of biomedical publications from the TISSUES Text-mining Tissue Protein Expression Evidence Scores 2025 dataset.
WikiPathways Pathways 2024 pathways involving PPP1R18 protein from the WikiPathways Pathways 2024 dataset.