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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:CES1

Protein Summary

check button Gene summary
Gene name: CES1
ASpdb.0 ID: 1066
Gene
Gene symbol

CES1

Gene ID

1066

Gene namecarboxylesterase 1
SynonymsACAT|CE-1|CEH|CES2|HMSE|HMSE1|PCE-1|REH|SES1|TGH|hCE-1
Cytomap

16q12.2

Type of geneprotein-coding
Descriptionliver carboxylesterase 1acyl coenzyme A:cholesterol acyltransferasebrain carboxylesterase hBr1carboxylesterase 1 (monocyte/macrophage serine esterase 1)carboxylesterase 2 (liver)cholesteryl ester hydrolasecocaine carboxylesteraseegasynhuman monocy
Modification date20240305
UniProtAcc

P23141


check button Gene ontology of this gene with evidence of Inferred from Direct Assay (IDA) from Entrez
PartnerGeneGO IDGO termPubMed ID
GeneCES1

GO:0004771

sterol esterase activity

11015575|16024911|16971496|18762277

GeneCES1

GO:0005737

cytoplasm

16024911

GeneCES1

GO:0005783

endoplasmic reticulum

-

GeneCES1

GO:0005811

lipid droplet

16024911

GeneCES1

GO:0006695

cholesterol biosynthetic process

11015575

GeneCES1

GO:0008203

cholesterol metabolic process

16024911

GeneCES1

GO:0030855

epithelial cell differentiation

21492153

GeneCES1

GO:0051791

medium-chain fatty acid metabolic process

11015575

GeneCES1

GO:0106435

carboxylesterase activity

8218228|18762277



AS Summary

check button Information of the canonical protein with experimentally identified structure from PDB (2023).
UniProt AccFile namePDB IDMethodResolutionChainStartEnd
P23141-1P23141-1_1mx9_D.pdb1MX9X-ray2.9D21554

check button ASpdb's canonical and alternatively spliced isoform information.
accession_idgene_namecanonical_idalternative_idcanonical_lengthalternative_lengthcanonical_startcanonical_endtypeoriginalSEQvariationSEQalternative_startalternative_end
P23141CES1P23141-1P23141-25675681717SubstitutionWWA1718
P23141CES1P23141-1P23141-3567566362362Deletionnonenone361361

check buttonMultiple sequence alignment of our canonical and alternatively spliced CES1

check button Matched gene isoform IDs with Ensembl and RefSeq of our canonical and alternative spliced genes of CES1
UniProt-idENSGENSTENSP
P23141-1ENSG00000198848.13ENST00000361503.8ENSP00000355193.4
P23141-2ENSG00000198848.13ENST00000360526.8ENSP00000353720.4
P23141-3ENSG00000198848.13ENST00000422046.6ENSP00000390492.2

UniProt-idNM IDNP ID
P23141-1NM_001025194.1NP_001020365.1
P23141-2NM_001025195.1NP_001020366.1
P23141-3NM_001266.4NP_001257.4

check buttonAmino acid sequences of our canonical and alternatively spliced CES1
accession_idProtein sequence
P23141-1MWLRAFILATLSASAAWGHPSSPPVVDTVHGKVLGKFVSLEGFAQPVAIFLGIPFAKPPLGPLRFTPPQPAEPWSFVKNATSYPPMCTQD
PKAGQLLSELFTNRKENIPLKLSEDCLYLNIYTPADLTKKNRLPVMVWIHGGGLMVGAASTYDGLALAAHENVVVVTIQYRLGIWGFFST
GDEHSRGNWGHLDQVAALRWVQDNIASFGGNPGSVTIFGESAGGESVSVLVLSPLAKNLFHRAISESGVALTSVLVKKGDVKPLAEQIAI
TAGCKTTTSAVMVHCLRQKTEEELLETTLKMKFLSLDLQGDPRESQPLLGTVIDGMLLLKTPEELQAERNFHTVPYMVGINKQEFGWLIP
MQLMSYPLSEGQLDQKTAMSLLWKSYPLVCIAKELIPEATEKYLGGTDDTVKKKDLFLDLIADVMFGVPSVIVARNHRDAGAPTYMYEFQ
YRPSFSSDMKPKTVIGDHGDELFSVFGAPFLKEGASEEEIRLSKMVMKFWANFARNGNPNGEGLPHWPEYNQKEGYLQIGANTQAAQKLK
P23141-2MWLRAFILATLSASAAWAGHPSSPPVVDTVHGKVLGKFVSLEGFAQPVAIFLGIPFAKPPLGPLRFTPPQPAEPWSFVKNATSYPPMCTQ
DPKAGQLLSELFTNRKENIPLKLSEDCLYLNIYTPADLTKKNRLPVMVWIHGGGLMVGAASTYDGLALAAHENVVVVTIQYRLGIWGFFS
TGDEHSRGNWGHLDQVAALRWVQDNIASFGGNPGSVTIFGESAGGESVSVLVLSPLAKNLFHRAISESGVALTSVLVKKGDVKPLAEQIA
ITAGCKTTTSAVMVHCLRQKTEEELLETTLKMKFLSLDLQGDPRESQPLLGTVIDGMLLLKTPEELQAERNFHTVPYMVGINKQEFGWLI
PMQLMSYPLSEGQLDQKTAMSLLWKSYPLVCIAKELIPEATEKYLGGTDDTVKKKDLFLDLIADVMFGVPSVIVARNHRDAGAPTYMYEF
QYRPSFSSDMKPKTVIGDHGDELFSVFGAPFLKEGASEEEIRLSKMVMKFWANFARNGNPNGEGLPHWPEYNQKEGYLQIGANTQAAQKL
P23141-3MWLRAFILATLSASAAWGHPSSPPVVDTVHGKVLGKFVSLEGFAQPVAIFLGIPFAKPPLGPLRFTPPQPAEPWSFVKNATSYPPMCTQD
PKAGQLLSELFTNRKENIPLKLSEDCLYLNIYTPADLTKKNRLPVMVWIHGGGLMVGAASTYDGLALAAHENVVVVTIQYRLGIWGFFST
GDEHSRGNWGHLDQVAALRWVQDNIASFGGNPGSVTIFGESAGGESVSVLVLSPLAKNLFHRAISESGVALTSVLVKKGDVKPLAEQIAI
TAGCKTTTSAVMVHCLRQKTEEELLETTLKMKFLSLDLQGDPRESQPLLGTVIDGMLLLKTPEELQAERNFHTVPYMVGINKQEFGWLIP
MLMSYPLSEGQLDQKTAMSLLWKSYPLVCIAKELIPEATEKYLGGTDDTVKKKDLFLDLIADVMFGVPSVIVARNHRDAGAPTYMYEFQY
RPSFSSDMKPKTVIGDHGDELFSVFGAPFLKEGASEEEIRLSKMVMKFWANFARNGNPNGEGLPHWPEYNQKEGYLQIGANTQAAQKLKD

Protein Functional Features

check buttonMain function of this protein. (from UniProt)
CES1 (go to UniProt):P23141

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


Gene Isoform Structures and Expression Levels for CES1

check buttonGene structures of our canonical and alternative spliced genes of CES1
* Click on the image to open the UCSC genome browser with custom track showing this image in a new window.
gene isoform structure of CES1

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 P23141-1
3D view using mol* of P23141-2
3D view using mol* of P23141-3


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 P23141-1
all structure
pLDDT distribution across the protein length of P23141-2
all structure
pLDDT distribution across the protein length of P23141-3
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 P23141-1
all structure
Ramachandran plot of P23141-2
all structure
Ramachandran plot of P23141-3
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
P23141-11.0621441.098424.6340.5650.7490.9030.8430.8940.9430.853179,251,252,253,254,256,257,258,259,260,261,263,26
4,312,313,315,316,322,333,386,387,388,389,390,391,
392,395,424,425,428,429,432,547,548,551,554
P23141-21.134621.15980.2620.2790.9851.3265.2510.5289.9420.32298,102,142,143,144,153,221,222,253,255,256,305,319
,359,360,364,365,389,426,427,469
P23141-31.0653151.105858.1860.5510.7440.9581.3190.8621.5291.38489,90,93,96,97,101,140,141,142,143,145,146,147,152
,220,221,251,252,253,254,255,256,257,258,259,260,2
61,263,264,267,298,299,301,302,303,304,305,306,307
,308,309,310,311,312,313,314,315,316,317,318,319,3
20,333,358,359,362,363,385,386,387,388,389,423,424
,425,427,428,431,467,546,547,550,553

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 P23141-1_P23141-1_1mx9_D.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 P23141-1_1mx9_D_P23141-2.pdb
3D view using mol* of P23141-1_1mx9_D_P23141-3.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 P23141-1_P23141-2.pdb
3D view using mol* of P23141-1_P23141-3.pdb

check button Protein Feature Comparison of the protein sequendary structures among the protiens.
./stats/secondary_structure/figure/P23141-1_vs_P23141-2.png
all structure<
./stats/secondary_structure/figure/P23141-1_vs_P23141-3.png
all structure<

check button Protein Feature Comparison of the relative accessible surface area (ASA) among the protiens.
./stats/relative_asa/P23141-1_vs_P23141-2.png
all structure<
./stats/relative_asa/P23141-1_vs_P23141-3.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 CES1


check button Drugs targeting this gene/protein.
(DrugBank)
UniProt accessionGene nameDrugBank IDDrug nameDrug groupActions
P23141CES1DB01183Naloxoneapproved, vet_approvedbinder
P23141CES1DB00382Tacrineapproved, investigational, withdrawn
P23141CES1DB02659Cholic Acidapproved
P23141CES1DB04838Cyclandelateapproved
P23141CES1DB00454Meperidineapproved
P23141CES1DB00583Levocarnitineapproved, investigational
P23141CES1DB03721N-acetyl-alpha-neuraminic acidexperimental
P23141CES1DB01452Diamorphineapproved, illicit, investigational
P23141CES1DB030564-Piperidino-Piperidineexperimental
P23141CES1DB06442Avasimibeinvestigational
P23141CES1DB07821(1R)-1,2,2-trimethylpropyl (R)-methylphosphinateexperimental
P23141CES1DB01599Probucolapproved, investigational
P23141CES1DB04795Thenoyltrifluoroacetoneexperimental
P23141CES1DB00907Cocaineapproved, illicitbinder
P23141CES1DB08224(1S,7S,8S,8AR)-1,2,3,7,8,8A-HEXAHYDRO-7-METHYL-8-[2-[(2R,4R)-TETRAHYDRO-4-HY DROXY-6-OXO-2H-PYRAN-2-YL]ETHYL]-1-NAPHTHALENOLexperimental
P23141CES1DB02161Hydroxy-Phenyl-Acetic Acid 8-Methyl-8-Aza-Bicyclo[3.2.1]Oct-3-Yl Esterexperimental
P23141CES1DB00647Dextropropoxypheneapproved, illicit, investigational, withdrawn

Related Diseases to CES1


check button Previous studies relating to the alternative splicing of CES1 and disease information from the MeSH term (PubMed)
GenePMIDTitleAbstractMeSH IDMeSH term


Clinically important variants in CES1


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