PLCH1
1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase eta-1
Also known as: DKFZp434C1372, KIAA1069, MGC117152, PLCeta1, PLCH1_HUMAN, PLCL3
Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene
Protein identityUniProt · HPA
- UniProt accession
- Q4KWH8
- Gene
- PLCH1
- Ensembl
- ENSG00000114805
- Chromosome
- 3
- Canonical length
- 1693 aa
- Protein class
- Disease related genes, Enzymes, Human disease related genes, Metabolic proteins, Potential drug targets, Predicted intracellular proteins
- Subcellular location
- Vesicles
OverviewNCBI Gene
PLCH1 is a member of the PLC-eta family of the phosphoinositide-specific phospholipase C (PLC) superfamily of enzymes that cleave phosphatidylinositol 4,5-bisphosphate (PtdIns(4,5)P2) to generate second messengers inositol 1,4,5-trisphosphate (IP3) and diacylglycerol (DAG) (Hwang et al., 2005 [PubMed 15702972]).[supplied by OMIM, Jun 2009]
Canonical amino-acid sequenceUniProt
1693 residues, UniProt reviewed canonical sequence.
>Q4KWH8|PLCH1
1 MADLEVYKNL SPEKVERCMS VMQSGTQMIK LKRGTKGLVR LFYLDEHRTR LRWRPSRKSE
61 KAKILIDSIY KVTEGRQSEI FHRQAEGNFD PSCCFTIYHG NHMESLDLIT SNPEEARTWI
121 TGLKYLMAGI SDEDSLAKRQ RTHDQWVKQT FEEADKNGDG LLNIEEIHQL MHKLNVNLPR
181 RKVRQMFQEA DTDENQGTLT FEEFCVFYKM MSLRRDLYLL LLSYSDKKDH LTVEELAQFL
241 KVEQKMNNVT TDYCLDIIKK FEVSEENKVK NVLGIEGFTN FMRSPACDIF NPLHHEVYQD
301 MDQPLCNYYI ASSHNTYLTG DQLLSQSKVD MYARVLQEGC RCVEVDCWDG PDGEPVVHHG
361 YTLTSKILFR DVVETINKHA FVKNEFPVIL SIENHCSIQQ QRKIAQYLKG IFGDKLDLSS
421 VDTGECKQLP SPQSLKGKIL VKGKKLPYHL GDDAEEGEVS DEDSADEIED ECKFKLHYSN
481 GTTEHQVESF IRKKLESLLK ESQIRDKEDP DSFTVRALLK ATHEGLNAHL KQSPDVKESG
541 KKSHGRSLMT NFGKHKKTTK SRSKSYSTDD EEDTQQSTGK EGGQLYRLGR RRKTMKLCRE
601 LSDLVVYTNS VAAQDIVDDG TTGNVLSFSE TRAHQVVQQK SEQFMIYNQK QLTRIYPSAY
661 RIDSSNFNPL PYWNAGCQLV ALNYQSEGRM MQLNRAKFKA NGNCGYVLKP QQMCKGTFNP
721 FSGDPLPANP KKQLILKVIS GQQLPKPPDS MFGDRGEIID PFVEVEIIGL PVDCCKDQTR
781 VVDDNGFNPV WEETLTFTVH MPEIALVRFL VWDHDPIGRD FVGQRTVTFS SLVPGYRHVY
841 LEGLTEASIF VHITINEIYG KWSPLILNPS YTILHFLGAT KNRQLQGLKG LFNKNPRHSS
901 SENNSHYVRK RSIGDRILRR TASAPAKGRK KSKMGFQEMV EIKDSVSEAT RDQDGVLRRT
961 TRSLQARPVS MPVDRNLLGA LSLPVSETAK DIEGKENSLA EDKDGRRKGK ASIKDPHFLN
1021 FNKKLSSSSS ALLHKDTSQG DTIVSTAHMS VTGEQLGMSS PRGGRTTSNA TSNCQENPCP
1081 SKSLSPKQHL APDPVVNPTQ DLHGVKIKEK GNPEDFVEGK SILSGSVLSH SNLEIKNLEG
1141 NRGKGRAATS FSLSDVSMLC SDIPDLHSTA ILQESVISHL IDNVTLTNEN EPGSSISALI
1201 GQFDETNNQA LTVVSHLHNT SVMSGHCPLP SLGLKMPIKH GFCKGKSKSS FLCSSPELIA
1261 LSSSETTKHA TNTVYETTCT PISKTKPDDD LSSKAKTAAL ESNLPGSPNT SRGWLPKSPT
1321 KGEDWETLKS CSPASSPDLT LEDVIADPTL CFNSGESSLV EIDGESENLS LTTCEYRREG
1381 TSQLASPLKL KYNQGVVEHF QRGLRNGYCK ETLRPSVPEI FNNIQDVKTQ SISYLAYQGA
1441 GFVHNHFSDS DAKMFQTCVP QQSSAQDMHV PVPKQLAHLP LPALKLPSPC KSKSLGDLTS
1501 EDIACNFESK YQCISKSFVT TGIRDKKGVT VKTKSLEPID ALTEQLRKLV SFDQEDNCQV
1561 LYSKQDANQL PRALVRKLSS RSQSRVRNIA SRAKEKQEAN KQKVPNPSNG AGVVLRNKPS
1621 APTPAVNRHS TGSYIAGYLK NTKGGGLEGR GIPEGACTAL HYGHVDQFCS DNSVLQTEPS
1681 SDDKPEIYFL LRLLocalizationUniProt · AlphaFold · HPA
Whether an antibody against PLCH1 can act on the native protein depends on physical access: surface and secreted proteins are reachable by circulating antibodies, intracellular proteins usually are not.
- Antibody reachability
- Intracellular
- Secreted
- No
- Transmembrane segments
- 0
- Mean surface accessibility (rSASA)
- 0.48
- Highest tissue expression
- 16 nTPM
Expression across tissuesHPA
Tissue
- thymus: 16 nTPM
- retina: 12 nTPM
- testis: 11 nTPM
- epididymis: 7.7 nTPM
- fallopian tube: 7.6 nTPM
- cerebral cortex: 5.3 nTPM
Single-cell type
- ependymal cells: 496 nCPM
- respiratory ciliated cells: 495 nCPM
- bergmann glia: 449 nCPM
- pituicytes/fscs: 439 nCPM
- retinal amacrine cells: 419 nCPM
- choroid plexus epithelial cells: 398 nCPM
Immune cell
- MAIT T-cell: 0.1 nTPM
- total PBMC: 0.1 nTPM
- basophil: 0 nTPM
- classical monocyte: 0 nTPM
- eosinophil: 0 nTPM
- gdT-cell: 0 nTPM
Brain region
- choroid plexus: 28 nTPM
- cerebral cortex: 20 nTPM
- basal ganglia: 19 nTPM
- midbrain: 17 nTPM
- cerebellum: 17 nTPM
- white matter: 12 nTPM
DiseaseUniProt · ClinVar · IEDB · PubMed
Four sources answering four different questions about PLCH1.
Disease | AllUniProt
Conditions PLCH1 is implicated in, by any mechanism.
- Holoprosencephaly 14 (HPE14) MIM:619895
Disease | GeneticClinVar
2 pathogenic / likely-pathogenic of 269 ClinVar records.
Conditions with pathogenic or likely-pathogenic variants.
- Holoprosencephaly 14
Genetic constraint and essentialitygnomAD · DepMap
Does the body need this protein intact? Low LOEUF or a strong DepMap dependency means loss or blockade of the protein is likely to be felt.
- gnomAD LOEUF (loss-of-function intolerance)
- 0.34
- gnomAD pLI
- 0.4
- gnomAD missense Z
- 1.48
- DepMap mean gene effect
- 0.12
- DepMap dependency class
- none
Cancer expressionTCGA
Across TCGA tumor cohorts, this protein is over-expressed in roughly 5% of surveyed tumor types (aggregate summary; per-cohort expression, alteration, and survival load in the interactive view).
OntologyGO
Biological processes
- lipid catabolic process
- phosphatidylinositol metabolic process
- phosphatidylinositol-mediated signaling
- release of sequestered calcium ion into cytosol
Molecular functions
- calcium ion binding
- calcium-dependent phospholipase C activity
- phosphatidylinositol-4,5-bisphosphate phospholipase C activity
Cellular components
Protein domainsUniProt · Pfam · InterPro
- C2 domain
- Phosphatidylinositol-specific phospholipase C, X domain
- Phosphoinositide phospholipase C family
- Phospholipase C, phosphatidylinositol-specific, Y domain
- Pleckstrin homology domain
- EF-hand domain
- EF-hand domain pair
- PH-like domain superfamily
- Phosphoinositide-specific phospholipase C, EF-hand-like domain
- PLC-like phosphodiesterase, TIM beta/alpha-barrel domain superfamily
- EF-Hand 1, calcium-binding site
- C2 domain superfamily
- C2 domain
- Phosphatidylinositol-specific phospholipase C, Y domain
- Phosphatidylinositol-specific phospholipase C, X domain
- Phosphoinositide-specific phospholipase C, efhand-like
- Pleckstrin homology domain
- 1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase eta-1, catalytic domain
- 1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase eta-1, EF-hand motif
KeywordsUniProt
InteractionsUniProt · HPA
Protein binding partners of PLCH1 in the human serome: UniProt-annotated complex subunits plus reported interactors. Each links to its own Seroatlas record.
Antibody and autoantibody relevanceSeroatlas analysis
Seroatlas reads PLCH1 as an antibody target. Whether an autoantibody or antibody against PLCH1 could matter depends on whether native PLCH1 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.
PLCH1 is annotated as predominantly intracellular. Intracellular proteins are common autoantibody markers, becoming visible to the immune system after cell injury or altered processing, but are usually markers of disease rather than direct drivers.
Annotation status
The present source text does not explicitly label PLCH1 as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.
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