ASpdb: an integrative knowledgebase of human protein isoforms from experimental and AI-predicted structures
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Center for Computational Systems Medicine
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Protein Summary

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AS Summary

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Protein Functional Features

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Gene Isoform Structures and Expression Levels

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Protein Structures

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pLDDT Score Distribution

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Ramachandran Plot of Protein Structures

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Potential Active Site Information

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Protein Structure and Feature Comparision

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Protein-Protein Interaction

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Related Drugs

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Related Diseases

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Clinically Important Variants

Protein:LPAR1

Protein Summary

check button Gene summary
Gene name: LPAR1
ASpdb.0 ID: 1902
Gene
Gene symbol

LPAR1

Gene ID

1902

Gene namelysophosphatidic acid receptor 1
SynonymsEDG2|Gpcr26|LPA1|Mrec1.3|VZG1|edg-2|rec.1.3|vzg-1
Cytomap

9q31.3

Type of geneprotein-coding
Descriptionlysophosphatidic acid receptor 1LPA receptor 1LPA-1endothelial differentiation, lysophosphatidic acid G-protein-coupled receptor, 2lysophosphatidic acid receptor Edg-2ventricular zone gene 1
Modification date20240403
UniProtAcc

Q92633


check button Gene ontology of this gene with evidence of Inferred from Direct Assay (IDA) from Entrez
PartnerGeneGO IDGO termPubMed ID
GeneLPAR1

GO:0005768

endosome

19306925

GeneLPAR1

GO:0005886

plasma membrane

19306925

GeneLPAR1

GO:0007202

activation of phospholipase C activity

19306925

GeneLPAR1

GO:0009986

cell surface

19306925

GeneLPAR1

GO:0030139

endocytic vesicle

19306925

GeneLPAR1

GO:0035727

lysophosphatidic acid binding

9070858

GeneLPAR1

GO:0070915

lysophosphatidic acid receptor activity

19306925

GeneLPAR1

GO:1902018

negative regulation of cilium assembly

31204173



AS Summary

check button Information of the canonical protein with experimentally identified structure from PDB (2023).
UniProt AccFile namePDB IDMethodResolutionChainStartEnd
Q92633-1Q92633-1_4z35_A.pdb4Z35X-ray2.9A248326

check button ASpdb's canonical and alternatively spliced isoform information.
accession_idgene_namecanonical_idalternative_idcanonical_lengthalternative_lengthcanonical_startcanonical_endtypeoriginalSEQvariationSEQalternative_startalternative_end
Q92633LPAR1Q92633-1Q92633-2364365115SubstitutionMAAISTSIPVISQPQMLLLLIPAHSSVLENE116

check buttonMultiple sequence alignment of our canonical and alternatively spliced LPAR1

check button Matched gene isoform IDs with Ensembl and RefSeq of our canonical and alternative spliced genes of LPAR1
UniProt-idENSGENSTENSP
Q92633-1ENSG00000198121.15ENST00000358883.8ENSP00000351755.4
Q92633-1ENSG00000198121.15ENST00000374430.6ENSP00000363552.1
Q92633-1ENSG00000198121.15ENST00000374431.7ENSP00000363553.3
Q92633-1ENSG00000198121.15ENST00000683809.1ENSP00000506912.1

UniProt-idNM IDNP ID
Q92633-1NM_001401.3NP_001392.2
Q92633-1NM_057159.2NP_476500.1

check buttonAmino acid sequences of our canonical and alternatively spliced LPAR1
accession_idProtein sequence
Q92633-1MAAISTSIPVISQPQFTAMNEPQCFYNESIAFFYNRSGKHLATEWNTVSKLVMGLGITVCIFIMLANLLVMVAIYVNRRFHFPIYYLMAN
LAAADFFAGLAYFYLMFNTGPNTRRLTVSTWLLRQGLIDTSLTASVANLLAIAIERHITVFRMQLHTRMSNRRVVVVIVVIWTMAIVMGA
IPSVGWNCICDIENCSNMAPLYSDSYLVFWAIFNLVTFVVMVVLYAHIFGYVRQRTMRMSRHSSGPRRNRDTMMSLLKTVVIVLGAFIIC
WTPGLVLLLLDVCCPQCDVLAYEKFFLLLAEFNSAMNPIIYSYRDKEMSATFRQILCCQRSENPTGPTEGSDRSASSLNHTILAGVHSND
Q92633-2MLLLLIPAHSSVLENEFTAMNEPQCFYNESIAFFYNRSGKHLATEWNTVSKLVMGLGITVCIFIMLANLLVMVAIYVNRRFHFPIYYLMA
NLAAADFFAGLAYFYLMFNTGPNTRRLTVSTWLLRQGLIDTSLTASVANLLAIAIERHITVFRMQLHTRMSNRRVVVVIVVIWTMAIVMG
AIPSVGWNCICDIENCSNMAPLYSDSYLVFWAIFNLVTFVVMVVLYAHIFGYVRQRTMRMSRHSSGPRRNRDTMMSLLKTVVIVLGAFII
CWTPGLVLLLLDVCCPQCDVLAYEKFFLLLAEFNSAMNPIIYSYRDKEMSATFRQILCCQRSENPTGPTEGSDRSASSLNHTILAGVHSN

Protein Functional Features

check buttonMain function of this protein. (from UniProt)
LPAR1 (go to UniProt):Q92633

check buttonRetention analysis result of protein across 39 protein features of UniProt such as six molecule processing features, 13 region features, four site features, six amino acid modification features, two natural variation features, five experimental info features, and 3 secondary structure features. Here, because of limited space for viewing, we only show the protein feature retention information belong to the 13 regional features. All retention annotation result can be downloaded at

download page

* Minus value of BPloci means that the break pointn is located before the CDS.
- Retained protein feature among the 13 regional features.
Accession_idSubsectionStartEndFuncitonal featureSplicing information
Q92633Topological domain150Note=ExtracellularType=Substitution;Start=1;End=15


Gene Isoform Structures and Expression Levels for LPAR1

check buttonGene structures of our canonical and alternative spliced genes of LPAR1
* Click on the image to open the UCSC genome browser with custom track showing this image in a new window.
gene isoform structure of LPAR1

check button Expression levels of gene isoforms across GTEx.
gtex expression

check button Expression levels of gene isoforms across TCGA.
tcga expression


Protein Structures

check button PDB and CIF files of the predicted protein structures
* Here we show the 3D structure of the proteins using Mol*. AlphaFold produces a per-residue confidence score (pLDDT) between 0 and 100. Model confidence is shown from the pLDDT values per residue. pLDDT corresponds to the model’s prediction of its score on the local Distance Difference Test. It is a measure of local accuracy (from AlphfaFold website). To color code individual residues, we transformed individual PDB files into CIF format.
3D view using mol* of Q92633-1
3D view using mol* of Q92633-2


pLDDT Score Distribution

check button pLDDT score distribution of the predicted protein structures from AlphaFold2
* AlphaFold produces a per-residue confidence score (pLDDT) between 0 and 100.
pLDDT distribution across the protein length of Q92633-1
all structure
pLDDT distribution across the protein length of Q92633-2
all structure


Ramachandran Plot of Protein Structures


check button Ramachandran plot of the torsional angles - phi (φ)and psi (ψ) - of the residues (amino acids) contained in this protein peptide.
Ramachandran plot of Q92633-1
all structure

Potential Active Site Information


check button The potential binding sites of these proteins were identified using SiteMap, a module of the Schrodinger suite.
UniProt-idSite scoreSizeD scoreVolumeExposureEnclosureContactPhobicPhilicBalanceDon/AccResidues
Q92633-11.1182451.125493.5770.3480.8751.1311.1161.0431.0690.66834,38,39,40,41,42,44,45,46,49,52,102,105,106,108,1
09,110,111,113,121,124,125,128,129,132,198,199,202
,206,207,210,270,271,273,274,275,277,278,290,291,2
93,294,295,296,297,298,299,300
Q92633-21.1242541.142492.2050.3330.8641.0651.3050.9711.3430.42935,39,40,41,42,43,47,49,50,53,103,106,107,110,111,
114,122,125,126,129,130,133,199,200,203,208,211,27
2,275,276,278,279,291,292,294,295,296,297,298,299,
301

Protein Structure and Feature Comparision


check button Protein Structure Comparision Using Template Modeling Scores (TM-score).
all structure

check button Protein Structure Comparision Visualization with mol*. between Canonical predicted structure (AF2)(orange) vs Canonical validated structure (PDB)(green)
3D view using mol* of Q92633-1_Q92633-1_4z35_A.pdb

check button Protein Structure Comparision Visualization with mol*. between Canonical validated structure (PDB)(orange) vs Alternative predicted structure (AF2)(green)
3D view using mol* of Q92633-1_4z35_A_Q92633-2.pdb

check button Protein Structure Comparision Visualization with mol*. between Canonical predicted structure (AF2)(orange) vs Alternative predicted structure (AF2)(green)
3D view using mol* of Q92633-1_Q92633-2.pdb

check button Protein Feature Comparison of the protein sequendary structures among the protiens.
./stats/secondary_structure/figure/Q92633-1_vs_Q92633-2.png
all structure<

check button Protein Feature Comparison of the relative accessible surface area (ASA) among the protiens.
./stats/relative_asa/Q92633-1_vs_Q92633-2.png
all structure<


Protein-Protein Interaction


check button Interactors from UniProt.
Accession_idSubsectionStartEndFuncitonal featureSplicing information


check button Interactors from STRING.
Gene nameInteractors


Related Drugs to LPAR1


check button Drugs targeting this gene/protein.
(DrugBank)
UniProt accessionGene nameDrugBank IDDrug nameDrug groupActions

Related Diseases to LPAR1


check button Previous studies relating to the alternative splicing of LPAR1 and disease information from the MeSH term (PubMed)
GenePMIDTitleAbstractMeSH IDMeSH term


Clinically important variants in LPAR1


check button (ClinVar, 04/20/2024)
accession_iduniprot_idgene_nameTypeVariantClinical_significance