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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:HTRA3

Protein Summary

check button Gene summary
Gene name: HTRA3
ASpdb.0 ID: 94031
Gene
Gene symbol

HTRA3

Gene ID

94031

Gene nameHtrA serine peptidase 3
SynonymsPrsp|Tasp
Cytomap

4p16.1

Type of geneprotein-coding
Descriptionserine protease HTRA3high-temperature requirement factor A3pregnancy-related serine proteaseprobable serine protease HTRA3
Modification date20240305
UniProtAcc

P83110


check button Gene ontology of this gene with evidence of Inferred from Direct Assay (IDA) from Entrez
PartnerGeneGO IDGO termPubMed ID
GeneHTRA3

GO:0004175

endopeptidase activity

18387192

GeneHTRA3

GO:0006508

proteolysis

18387192|22229724

GeneHTRA3

GO:0008236

serine-type peptidase activity

22229724



AS Summary

check button Information of the canonical protein with experimentally identified structure from PDB (2023).
UniProt AccFile namePDB IDMethodResolutionChainStartEnd
P83110-1P83110-1_4ri0_A.pdb4RI0X-ray3.27A135453

check button ASpdb's canonical and alternatively spliced isoform information.
accession_idgene_namecanonical_idalternative_idcanonical_lengthalternative_lengthcanonical_startcanonical_endtypeoriginalSEQvariationSEQalternative_startalternative_end
P83110HTRA3P83110-1P83110-2453357351357SubstitutionDWKKRFIAPSLAVH351357
P83110HTRA3P83110-1P83110-2453357358453Deletionnonenone357357

check buttonMultiple sequence alignment of our canonical and alternatively spliced HTRA3

check button Matched gene isoform IDs with Ensembl and RefSeq of our canonical and alternative spliced genes of HTRA3
UniProt-idENSGENSTENSP
P83110-1ENSG00000170801.10ENST00000307358.7ENSP00000303766.2
P83110-2ENSG00000170801.10ENST00000382512.3ENSP00000371952.3

UniProt-idNM IDNP ID
P83110-1NM_053044.4NP_444272.1
P83110-2NM_001297559.1NP_001284488.1

check buttonAmino acid sequences of our canonical and alternatively spliced HTRA3
accession_idProtein sequence
P83110-1MQARALLLAALAALALAREPPAAPCPARCDVSRCPSPRCPGGYVPDLCNCCLVCAASEGEPCGGPLDSPCGESLECVRGLCRCRWSHAVC
GTDGHTYANVCALQAASRRALQLSGTPVRQLQKGACPLGLHQLSSPRYKFNFIADVVEKIAPAVVHIELFLRHPLFGRNVPLSSGSGFIM
SEAGLIITNAHVVSSNSAAPGRQQLKVQLQNGDSYEATIKDIDKKSDIATIKIHPKKKLPVLLLGHSADLRPGEFVVAIGSPFALQNTVT
TGIVSTAQREGRELGLRDSDMDYIQTDAIINYGNSGGPLVNLDGEVIGINTLKVTAGISFAIPSDRITRFLTEFQDKQIKDWKKRFIGIR
MRTITPSLVDELKASNPDFPEVSSGIYVQEVAPNSPSQRGGIQDGDIIVKVNGRPLVDSSELQEAVLTESPLLLEVRRGNDDLLFSIAPE
P83110-2MQARALLLAALAALALAREPPAAPCPARCDVSRCPSPRCPGGYVPDLCNCCLVCAASEGEPCGGPLDSPCGESLECVRGLCRCRWSHAVC
GTDGHTYANVCALQAASRRALQLSGTPVRQLQKGACPLGLHQLSSPRYKFNFIADVVEKIAPAVVHIELFLRHPLFGRNVPLSSGSGFIM
SEAGLIITNAHVVSSNSAAPGRQQLKVQLQNGDSYEATIKDIDKKSDIATIKIHPKKKLPVLLLGHSADLRPGEFVVAIGSPFALQNTVT

Protein Functional Features

check buttonMain function of this protein. (from UniProt)
HTRA3 (go to UniProt):P83110

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
P83110Domain359444Note=PDZ;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00143Type=Deletion;Start=358;End=453


Gene Isoform Structures and Expression Levels for HTRA3

check buttonGene structures of our canonical and alternative spliced genes of HTRA3
* Click on the image to open the UCSC genome browser with custom track showing this image in a new window.
gene isoform structure of HTRA3

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 P83110-1
3D view using mol* of P83110-2


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 P83110-1
all structure
pLDDT distribution across the protein length of P83110-2
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 P83110-1
all structure
Ramachandran plot of P83110-2
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
P83110-10.714320.53178.5470.5150.7461.1260.4661.3750.3390.55340,41,42,55,57,58,71,72,74,101,102,104,105,108,109

P83110-20.705440.681149.5480.8030.5860.7230.4170.9010.4630.844173,190,191,194,195,196,224,225,226,227,288,291,29
3,321,322,323,332,336

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 P83110-1_P83110-1_4ri0_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 P83110-1_4ri0_A_P83110-2.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 P83110-1_P83110-2.pdb

check button Protein Feature Comparison of the protein sequendary structures among the protiens.
./stats/secondary_structure/figure/P83110-1_vs_P83110-2.png
all structure<

check button Protein Feature Comparison of the relative accessible surface area (ASA) among the protiens.
./stats/relative_asa/P83110-1_vs_P83110-2.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 HTRA3


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

Related Diseases to HTRA3


check button Previous studies relating to the alternative splicing of HTRA3 and disease information from the MeSH term (PubMed)
GenePMIDTitleAbstractMeSH IDMeSH term


Clinically important variants in HTRA3


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