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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:SIRT3

Protein Summary

check button Gene summary
Gene name: SIRT3
ASpdb.0 ID: 23410
Gene
Gene symbol

SIRT3

Gene ID

23410

Gene namesirtuin 3
SynonymsSIR2L3
Cytomap

11p15.5

Type of geneprotein-coding
DescriptionNAD-dependent protein deacetylase sirtuin-3, mitochondrialNAD-dependent deacetylase sirtuin-3, mitochondrialSIR2-like protein 3mitochondrial nicotinamide adenine dinucleotide-dependent deacetylaseregulatory protein SIR2 homolog 3silent mating type in
Modification date20240407
UniProtAcc

Q9NTG7


check button Gene ontology of this gene with evidence of Inferred from Direct Assay (IDA) from Entrez
PartnerGeneGO IDGO termPubMed ID
GeneSIRT3

GO:0005739

mitochondrion

16079181

GeneSIRT3

GO:0005759

mitochondrial matrix

12186850|29445193

GeneSIRT3

GO:0006476

protein deacetylation

16788062

GeneSIRT3

GO:0008270

zinc ion binding

19535340

GeneSIRT3

GO:0032991

protein-containing complex

23283301|29445193

GeneSIRT3

GO:0043565

sequence-specific DNA binding

29445193

GeneSIRT3

GO:1901671

positive regulation of superoxide dismutase activity

25210848

GeneSIRT3

GO:1902553

positive regulation of catalase activity

25210848



AS Summary

check button Information of the canonical protein with experimentally identified structure from PDB (2023).
UniProt AccFile namePDB IDMethodResolutionChainStartEnd
Q9NTG7-1Q9NTG7-1_4jsr_A.pdb4JSRX-ray1.7A121394

check button ASpdb's canonical and alternatively spliced isoform information.
accession_idgene_namecanonical_idalternative_idcanonical_lengthalternative_lengthcanonical_startcanonical_endtypeoriginalSEQvariationSEQalternative_startalternative_end
Q9NTG7SIRT3Q9NTG7-1Q9NTG7-23992571142Deletionnonenone00

check buttonMultiple sequence alignment of our canonical and alternatively spliced SIRT3

check button Matched gene isoform IDs with Ensembl and RefSeq of our canonical and alternative spliced genes of SIRT3
UniProt-idENSGENSTENSP
Q9NTG7-1ENSG00000142082.15ENST00000382743.9ENSP00000372191.4
Q9NTG7-2ENSG00000142082.15ENST00000529382.5ENSP00000437216.1

UniProt-idNM IDNP ID
Q9NTG7-1NM_012239.5NP_036371.1
Q9NTG7-2NM_001017524.2NP_001017524.1

check buttonAmino acid sequences of our canonical and alternatively spliced SIRT3
accession_idProtein sequence
Q9NTG7-1MAFWGWRAAAALRLWGRVVERVEAGGGVGPFQACGCRLVLGGRDDVSAGLRGSHGARGEPLDPARPLQRPPRPEVPRAFRRQPRAAAPSF
FFSSIKGGRRSISFSVGASSVVGSGGSSDKGKLSLQDVAELIRARACQRVVVMVGAGISTPSGIPDFRSPGSGLYSNLQQYDLPYPEAIF
ELPFFFHNPKPFFTLAKELYPGNYKPNVTHYFLRLLHDKGLLLRLYTQNIDGLERVSGIPASKLVEAHGTFASATCTVCQRPFPGEDIRA
DVMADRVPRCPVCTGVVKPDIVFFGEPLPQRFLLHVVDFPMADLLLILGTSLEVEPFASLTEAVRSSVPRLLINRDLVGPLAWHPRSRDV
Q9NTG7-2MVGAGISTPSGIPDFRSPGSGLYSNLQQYDLPYPEAIFELPFFFHNPKPFFTLAKELYPGNYKPNVTHYFLRLLHDKGLLLRLYTQNIDG
LERVSGIPASKLVEAHGTFASATCTVCQRPFPGEDIRADVMADRVPRCPVCTGVVKPDIVFFGEPLPQRFLLHVVDFPMADLLLILGTSL

Protein Functional Features

check buttonMain function of this protein. (from UniProt)
SIRT3 (go to UniProt):Q9NTG7

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
Q9NTG7Domain118380Note=Deacetylase sirtuin-type;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00236Type=Deletion;Start=1;End=142
Q9NTG7Region4974Note=Disordered;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:MobiDB-liteType=Deletion;Start=1;End=142


Gene Isoform Structures and Expression Levels for SIRT3

check buttonGene structures of our canonical and alternative spliced genes of SIRT3
* Click on the image to open the UCSC genome browser with custom track showing this image in a new window.
gene isoform structure of SIRT3

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 Q9NTG7-1
3D view using mol* of Q9NTG7-2


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 Q9NTG7-1
all structure
pLDDT distribution across the protein length of Q9NTG7-2
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 Q9NTG7-1
all structure
Ramachandran plot of Q9NTG7-2
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
Q9NTG7-11.033171.057675.3670.5390.7210.8980.5390.9680.5570.5426,7,8,9,38,145,146,147,150,156,157,158,159,160,163
,165,166,177,180,181,228,229,230,248,291,292,293,2
94,295,296,297,298,299,300,302,303,305,319,320,321
,322,323,324,325,326,344,345,346,348,364,365,366
Q9NTG7-21.121491.156214.0320.3130.8221.1011.7620.8522.0690.4841,2,70,71,74,79,80,81,82,83,84,166,167,169,170,171
,172,173,174,176,231,235,237

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 Q9NTG7-1_Q9NTG7-1_4jsr_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 Q9NTG7-1_4jsr_A_Q9NTG7-2.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 Q9NTG7-1_Q9NTG7-2.pdb

check button Protein Feature Comparison of the protein sequendary structures among the protiens.
./stats/secondary_structure/figure/Q9NTG7-1_vs_Q9NTG7-2.png
all structure<

check button Protein Feature Comparison of the relative accessible surface area (ASA) among the protiens.
./stats/relative_asa/Q9NTG7-1_vs_Q9NTG7-2.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 SIRT3


check button Drugs targeting this gene/protein.
(DrugBank)
UniProt accessionGene nameDrugBank IDDrug nameDrug groupActions
Q9NTG7SIRT3DB02059Adenosine-5-Diphosphoriboseexperimental

Related Diseases to SIRT3


check button Previous studies relating to the alternative splicing of SIRT3 and disease information from the MeSH term (PubMed)
GenePMIDTitleAbstractMeSH IDMeSH term


Clinically important variants in SIRT3


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