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Human Phosphatases
Protein Substrates
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Dephosphorylation Network
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Statistics

241 human active and 13 inactive phosphatases in total;
194 phosphatases have substrate data;
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336 protein substrates;
83 non-protein substrates;
1215 dephosphorylation interactions;
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299 KEGG pathways;
876 Reactome pathways;
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last scientific update:
11 Mar, 2019
last maintenance update:
01 Sep, 2023

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LPIN1

Basic Information
Substrates
Pathway
Interacting Proteins
Phosphorylating Kinases

Gene Name	LPIN1 (QuickGO)	Interactive visualization LPIN1 structures (A quick tutorial to explore the interctive visulaization)
Synonyms	LPIN1, KIAA0188
Protein Name	LPIN1
Alternative Name(s)	Phosphatidate phosphatase LPIN1;3.1.3.4;Lipin-1;
EntrezGene ID	23175 (Comparitive Toxicogenomics)
UniProt AC (Human)	Q14693 (protein sequence)
Enzyme Class	EC 3.1.3.4 (BRENDA )
Molecular Weight	98664 Dalton
Protein Length	890 amino acids (AA)
Genome Browsers	NCBI \| ENSG00000134324 (Ensembl) \| UCSC
Crosslinking annotations	Query our ID-mapping table
Orthologues	Quest For Orthologues (QFO) \| GeneTree
Classification	Superfamily: HAD --> Family: Lipin \| Historic class: Lipin family \| CATH ID: 3.40.50.1000 \| SCOP Fold: HAD
Phosphatase activity	active \| Catalytic signature motif: unknown
Phosphorylation Network	Visualize

Domain organization, Expression, Diseases

Localization, Function, Catalytic activity and Sequence

Motif information from Eukaryotic Linear Motif atlas (ELM)

Gene Ontology (P: Process; F: Function and C: Component terms)

KEGG Pathway
Reactome Pathway

Pathway ID	Pathway Name	Pathway Description (KEGG)
R-HSA-1483191	Synthesis of PC.	De novo (Kennedy pathway) synthesis of phosphatidylcholine (PC) involves phosphorylation of choline (Cho) to phosphocholine (PCho) followed by condensing with cytidine triphosphate (CTP) to form CDP-choline (CDP-Cho). Diacylglycerol (DAG) and CDP-ETA together then form PC. Alternatively, PC is formed when phosphatidylethanolamine (PE) is methylated by phosphatidylethanolamine N-methyltransferase (PEMT) (Henneberry et al. 2002; Wright & McMaster 2002)
R-HSA-1483213	Synthesis of PE.	De novo (Kennedy pathway) synthesis of phosphatidylethanolamine (PE) involves phosphorylation of ethanolamine (ETA) to phosphoethanolamine (PETA) followed by condensing with cytidine triphosphate (CTP) to form CDP-ethanolamine (CDP-ETA). Diacylglycerol (DAG) and CDP-ETA together then form PE. Alternatively, PE is formed when phosphatidylserine (PS) is decarboxylated by phosphatidylserine decarboxylase proenzyme (PISD) (Henneberry et al. 2002, Vance 1991, Vance 1990)
R-HSA-4419969	Depolymerisation of the Nuclear Lamina.	The nuclear envelope breakdown in mitotic prophase involves depolymerisation of lamin filaments, the main constituents of the nuclear lamina. The nuclear lamina is located at the nuclear face of the inner nuclear membrane and plays and important role in the structure and function of the nuclear envelope (reviewed by Burke and Stewart 2012). Depolymerisation of lamin filaments, which consist of lamin homodimers associated through electrostatic interactions in head-to-tail molecular strings, is triggered by phosphorylation of lamins. While CDK1 phosphorylates the N-termini of lamins (Heald and McKeon 1990, Peter et al. 1990, Ward and Kirschner 1990, Mall et al. 2012), PKCs (PRKCA and PRKCB) phosphorylate the C-termini of lamins (Hocevar et al. 1993, Goss et al. 1994, Mall et al. 2012). PKCs are activated by lipid-mediated signaling, where lipins, activated by CTDNEP1:CNEP1R1 serine/threonine protein phosphatase complex, catalyze the formation of DAG (Gorjanacz et al. 2009, Golden et al. 2009, Wu et al. 2011, Han et al. 2012, Mall et al. 2012)
R-HSA-75109	Triglyceride biosynthesis.	The overall process of triglyceride (triacylglycerol) biosynthesis consists of four biochemical pathways: fatty acyl-CoA biosynthesis, conversion of fatty acyl-CoA to phosphatidic acid, conversion of phosphatidic acid to diacylglycerol, and conversion of diacylglycerol to triacylglycerol