Protein detail
PP1A
Serine/threonine-protein phosphatase PP1-alpha catalytic subunit (PP-1A) (EC 3.1.3.16)
Entry name PP1A | UniProt ID | EVMP confidence score 0.75 |
Supporting publications (n) 26 | Transmembrane count | Protein classification EnzymesEssential proteinsPlasma proteinsPredicted intracellular proteins |
EVMP confidence score
Annotation confidence score; open for threshold definitions.
Extremely high >= 0.85High >= 0.70Medium >= 0.55Low >= 0.40Basic Information11
Protein Names
Serine/threonine-protein phosphatase PP1-alpha catalytic subunit (PP-1A) (EC 3.1.3.16)
Protein Class (4)
EnzymesEssential proteinsPlasma proteinsPredicted intracellular proteins
Protein Function (3)
- Enzymes
- Predicted intracellular proteins
- ENZYME proteins:Hydrolases
Ensembl
Entrez Gene Symbol
Gene Synonym (4)
PP-1APP1APP1alphaPPP1A
Gene Description
Protein phosphatase 1 catalytic subunit alpha
Chromosome
11
Position
67398181-67421183
Supporting publications (n)
26
EVMP confidence score
0.75
Fluorescence & Localization6
Tissue SpecificcervixCell SpecificAdrenal cortex cellsBlood Cell SpecificbasophilBlood Lineage SpecificgranulocytesSecretome LocationSecreted - unknown locationSecretome FunctionEnzyme
Function & Pathway8
Protein Function (3)
- Enzymes
- Predicted intracellular proteins
- ENZYME proteins:Hydrolases
Cellular Component (15)
- GO:0000781 chromosome, telomeric region
- GO:0005634 nucleus
- GO:0005654 nucleoplasm
- GO:0005730 nucleolus
- GO:0005737 cytoplasm
- GO:0005829 cytosol
- GO:0005886 plasma membrane
- GO:0005912 adherens junction
- GO:0042587 glycogen granule
- GO:0043197 dendritic spine
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Molecular Function (10)
- GO:0004721 phosphoprotein phosphatase activity
- GO:0004722 protein serine/threonine phosphatase activity
- GO:0005506 iron ion binding
- GO:0005515 protein binding
- GO:0008157 protein phosphatase 1 binding
- GO:0016791 phosphatase activity
- GO:0017018 myosin phosphatase activity
- GO:0043021 ribonucleoprotein complex binding
- GO:0046914 transition metal ion binding
- GO:0098641 cadherin binding involved in cell-cell adhesion
Biological Process (3)
KEGG (23)
- hsa03015 mRNA surveillance pathway
- KEGG:hsa04022 cGMP-PKG signaling pathway
- KEGG:hsa04024 cAMP signaling pathway
- KEGG:hsa04114 Oocyte meiosis
- KEGG:hsa04218 Cellular senescence
- KEGG:hsa04261 Adrenergic signaling in cardiomyocytes
- KEGG:hsa04270 Vascular smooth muscle contraction
- KEGG:hsa04390 Hippo signaling pathway
- KEGG:hsa04510 Focal adhesion
- KEGG:hsa04519 Cadherin signaling
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Reactome (21)
- R-hsa-9909396 circadian clock
- R-hsa-180024 darpp 32 events
- R-hsa-2173788 downregulation of tgf beta receptor signaling
- R-hsa-418594 g alpha i signalling events
- R-hsa-5663205 infectious disease
- R-hsa-556833 metabolism of lipids
- R-hsa-8953854 metabolism of rna
- R-hsa-72187 mrna 3 end processing
- R-hsa-9770562 mrna polyadenylation
- R-hsa-111885 opioid signalling
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Canonical Pathways
M200 Pid era genomic pathway
Mediation Categories (4)
Clinical-translation mediationFusion and delivery mediationMetabolism mediationReceptor-signaling mediation
Relations & Evidence133
Enzyme-Mediated Modification (27)
27 records.
| Substrate Gene Symbol | Enzyme Gene Symbol | Enzyme UniProt ID | Residue Type | Residue Offset | Modification | Database | References |
|---|---|---|---|---|---|---|---|
| PPP1CA | CDK12 | Q9NYV4 | T | 331 | phosphorylation | MIMPHPRD_MIMPphosphoELM_MIMPPhosphoSite_MIMP | |
| PPP1CA | CDK16 | Q00536 | T | 331 | phosphorylation | MIMPHPRD_MIMPphosphoELM_MIMPPhosphoSite_MIMP | |
| PPP1CA | CDK17 | Q00537 | T | 331 | phosphorylation | MIMPHPRD_MIMPphosphoELM_MIMPPhosphoSite_MIMP | |
| PPP1CA | CDK18 | Q07002 | T | 331 | phosphorylation | MIMPHPRD_MIMPphosphoELM_MIMPPhosphoSite_MIMP | |
| PPP1CA | CDK20 | Q8IZL9 | T | 331 | phosphorylation | MIMPHPRD_MIMPphosphoELM_MIMPPhosphoSite_MIMP | |
| PPP1CA | GSK3B | P49841 | T | 320 | phosphorylation | KEA | KEA:17570479 |
| PPP1CA | PRKCA | P17252 | S | 325 | phosphorylation | KEA | KEA:9399575 |
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Ligand-Receptor Signaling (5)
5 records.
| Category | Parent | Database | Transmitter | Receiver | Secreted | Plasma Membrane (Transmembrane) | Plasma Membrane (Peripheral) |
|---|---|---|---|---|---|---|---|
| intracellular | intracellular | LOCATE | No | No | No | No | No |
| intracellular | intracellular | ComPPI | No | No | No | No | No |
| intracellular | intracellular | GO_Intercell | No | No | No | No | No |
| intracellular | intracellular | UniProt_location | No | No | No | No | No |
| intracellular | intracellular | OmniPath | No | No | No | No | No |
Regulatory Interaction Network (44)
44 records.
| Source Protein Symbol | Source UniProt ID | Target Protein Symbol | Target UniProt ID | Is Directed | Is Stimulation | Is Inhibition | Database | References |
|---|---|---|---|---|---|---|---|---|
| PPR1C | Q8WVI7 | PP1A | P62136 | Yes | No | Yes | SIGNOR | SIGNOR:18310074 |
| PP1A | P62136 | NEK2 | P51955 | Yes | No | Yes | HPRDHINTLMPIDSIGNOR | HINT:12221103HPRD:12221103HPRD:10880350SIGNOR:17283141LMPID:10880350HINT:22321011HINT:10880350 |
| PHAR1 | Q9C0D0 | PP1A | P62136 | Yes | Yes | No | HPRDHINTLit-BM-17SIGNOR | SIGNOR:21939755Lit-BM-17:15107502HINT:32975518HPRD:15107502HINT:15107502 |
| PP1A | P62136 | RIGI | O95786 | Yes | Yes | No | SIGNOR_ProtMapperSIGNORProtMapper | SIGNOR:23499489ProtMapper:23499489 |
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Protein Complex Composition (56)
56 records.
Isolation & Detection Technology (1)
1 record.
| EV Isolation Method | Detection Method | Number of References | References |
|---|---|---|---|
| Differential UltracentrifugationSize Exclusion Chromatography | Mass spectrometry | 1 | 30379855 |
Sequence, Structure & Domains12
Sequences
Length
330
Mass
37,512
Sequence
MSDSEKLNLDSIIGRLLEVQGSRPGKNVQLTENEIRGLCLKSREIFLSQPILLELEAPLKICGDIHGQYYDLLRLFEYGGFPPESNYLFLGDYVDRGKQSLETICLLLAYKIKYPENFFLLRGNHECASINRIYGFYDECKRRYNIKLWKTFTDCFNCLPIAAIVDEKIFCCHGGLSPDLQSMEQIRRIMRPTDVPDQGLLCDLLWSDPDKDVQGWGENDRGVSFTFGAEVVAKFLHKHDLDLICRAHQVVEDGYEFFAKRQLVTLFSAPNYCGEFDNAGAMMSVDETLMCSFQILKPADKNKGKYGQFSGLNPGGRPITPPRNSAKAKK
Alternative Products
Event=Alternative splicing; Named isoforms=3; Name=1; IsoId=P62136-1; Sequence=Displayed; Name=2; IsoId=P62136-2; Sequence=VSP_043377; Name=3; IsoId=P62136-3; Sequence=VSP_046754
Alternative Sequence
18; E -> EGSRVLTPHCAP (in isoform 2); 19..62; Missing (in isoform 3)
3D Structural Models
Turn
23..25; 115..117; 132..135; 166..168; 259..262
Helix
9..18; 19..21; 32..48; 69..79; 100..113; 124..126; 128..131; 136..143; 146..156; 183..187; 200..206; 229..239; 272..274
Beta Strand
51..55; 57..62; 87..89; 94..98; 118..120; 162..165; 169..171; 197..199; 214..218; 222..227; 242..246; 248..251; 254..258; 263..267; 280..285; 290..297
3D Structure
Electron microscopy (2); X-ray crystallography (43)
Domain & Motif Annotations
Region
306..330; Disordered
Protein Families (2)
- PPP phosphatase family
- PP-1 subfamily
Sequence Similarities
Belongs to the PPP phosphatase family. PP-1 subfamily.
Clinical Relevance8
Related Diseases
Biomarker
Approved
Drug Targets
Successful target
Interaction Protein (57)
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
Interaction Count
57
Interaction Dataset (2)
intact_biogridintact_biogrid_bioplex
Supporting Publications26
| PMID | Title | Abstract |
|---|---|---|
| 26826536 | [Cardiovascular risk study in patients with renin-angiotensin system blockade by means of the proteone of circulating extracellular vesicles]. | No abstract available |
| 31805958 | Proteomic analysis of cerebrospinal fluid extracellular vesicles reveals synaptic injury, inflammation, and stress response markers in HIV patients with cognitive impairment. | No abstract available |
| 32230970 | Radiation Exposure of Peripheral Mononuclear Blood Cells Alters the Composition and Function of Secreted Extracellular Vesicles. | No abstract available |
| 32854315 | Proteomic Profiling of Extracellular Vesicles Derived from Cerebrospinal Fluid of Alzheimer's Disease Patients: A Pilot Study. | Recent studies have highlighted the importance of Aβ and tau-containing extracellular vesicles (EVs) in AD. |
| 32916986 | Proteomic Approach for Searching for Universal, Tissue-Specific, and Line-Specific Markers of Extracellular Vesicles in Lung and Colorectal Adenocarcinoma Cell Lines. | No abstract available |
| 33304478 | The proteomic landscape of small urinary extracellular vesicles during kidney transplantation. | No abstract available |
| 33592500 | A Proteomic Approach to Understand the Clinical Significance of Acute Myeloid Leukemia-Derived Extracellular Vesicles Reflecting Essential Characteristics of Leukemia. | No abstract available |
| 34064677 | Ubiquinone Metabolism and Transcription HIF-1 Targets Pathway Are Toxicity Signature Pathways Present in Extracellular Vesicles of Paraquat-Exposed Human Brain Microvascular Endothelial Cells. | No abstract available |
| 34473505 | Column-based Technology for CD9-HPLC Immunoaffinity Isolation of Serum Extracellular Vesicles. | No abstract available |
| 34576246 | Burn Injury Induces Proinflammatory Plasma Extracellular Vesicles That Associate with Length of Hospital Stay in Women: CRP and SAA1 as Potential Prognostic Indicators. | No abstract available |
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