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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:SUV39H1

Protein Summary

check button Gene summary
Gene name: SUV39H1
ASpdb.0 ID: 6839
Gene
Gene symbol

SUV39H1

Gene ID

6839

Gene nameSUV39H1 histone lysine methyltransferase
SynonymsH3-K9-HMTase 1|KMT1A|MG44|SUV39H
Cytomap

Xp11.23

Type of geneprotein-coding
Descriptionhistone-lysine N-methyltransferase SUV39H1Su(var)3-9 homolog 1histone H3-K9 methyltransferase 1histone-lysine N-methyltransferase, H3 lysine-9 specific 1lysine N-methyltransferase 1Aposition-effect variegation 3-9 homologsuppressor of variegation 3-
Modification date20240416
UniProtAcc

O43463


check button Gene ontology of this gene with evidence of Inferred from Direct Assay (IDA) from Entrez
PartnerGeneGO IDGO termPubMed ID
GeneSUV39H1

GO:0000183

rDNA heterochromatin formation

18485871

GeneSUV39H1

GO:0000792

heterochromatin

18004385

GeneSUV39H1

GO:0005634

nucleus

30111536

GeneSUV39H1

GO:0005634

nucleus

18004385

GeneSUV39H1

GO:0005677

chromatin silencing complex

18485871

GeneSUV39H1

GO:0005730

nucleolus

18485871

GeneSUV39H1

GO:0006974

DNA damage response

23509280

GeneSUV39H1

GO:0008757

S-adenosylmethionine-dependent methyltransferase activity

10949293

GeneSUV39H1

GO:0033553

rDNA heterochromatin

18485871

GeneSUV39H1

GO:0042054

histone methyltransferase activity

10949293|17707234

GeneSUV39H1

GO:0044725

epigenetic programming in the zygotic pronuclei

30111536

GeneSUV39H1

GO:0046974

histone H3K9 methyltransferase activity

10949293|18004385|23509280

GeneSUV39H1

GO:0071456

cellular response to hypoxia

21402781

GeneSUV39H1

GO:0140949

histone H3K9 trimethyltransferase activity

30111536



AS Summary

check button Information of the canonical protein with experimentally identified structure from PDB (2023).
UniProt AccFile namePDB IDMethodResolutionChainStartEnd
O43463-1O43463-1_3mts_A.pdb3MTSX-ray2.2A44104

check button ASpdb's canonical and alternatively spliced isoform information.
accession_idgene_namecanonical_idalternative_idcanonical_lengthalternative_lengthcanonical_startcanonical_endtypeoriginalSEQvariationSEQalternative_startalternative_end
O43463SUV39H1O43463-1O43463-241242316SubstitutionMAENLKMVGMSRLRNDRLADPLT117

check buttonMultiple sequence alignment of our canonical and alternatively spliced SUV39H1

check button Matched gene isoform IDs with Ensembl and RefSeq of our canonical and alternative spliced genes of SUV39H1
UniProt-idENSGENSTENSP
O43463-1ENSG00000101945.17ENST00000376687.4ENSP00000365877.4
O43463-2ENSG00000101945.17ENST00000337852.10ENSP00000337976.6

UniProt-idNM IDNP ID
O43463-1NM_003173.3NP_003164.1
O43463-2NM_001282166.1NP_001269095.1

check buttonAmino acid sequences of our canonical and alternatively spliced SUV39H1
accession_idProtein sequence
O43463-1MAENLKGCSVCCKSSWNQLQDLCRLAKLSCPALGISKRNLYDFEVEYLCDYKKIREQEYYLVKWRGYPDSESTWEPRQNLKCVRILKQFH
KDLERELLRRHHRSKTPRHLDPSLANYLVQKAKQRRALRRWEQELNAKRSHLGRITVENEVDLDGPPRAFVYINEYRVGEGITLNQVAVG
CECQDCLWAPTGGCCPGASLHKFAYNDQGQVRLRAGLPIYECNSRCRCGYDCPNRVVQKGIRYDLCIFRTDDGRGWGVRTLEKIRKNSFV
MEYVGEIITSEEAERRGQIYDRQGATYLFDLDYVEDVYTVDAAYYGNISHFVNHSCDPNLQVYNVFIDNLDERLPRIAFFATRTIRAGEE
O43463-2MVGMSRLRNDRLADPLTGCSVCCKSSWNQLQDLCRLAKLSCPALGISKRNLYDFEVEYLCDYKKIREQEYYLVKWRGYPDSESTWEPRQN
LKCVRILKQFHKDLERELLRRHHRSKTPRHLDPSLANYLVQKAKQRRALRRWEQELNAKRSHLGRITVENEVDLDGPPRAFVYINEYRVG
EGITLNQVAVGCECQDCLWAPTGGCCPGASLHKFAYNDQGQVRLRAGLPIYECNSRCRCGYDCPNRVVQKGIRYDLCIFRTDDGRGWGVR
TLEKIRKNSFVMEYVGEIITSEEAERRGQIYDRQGATYLFDLDYVEDVYTVDAAYYGNISHFVNHSCDPNLQVYNVFIDNLDERLPRIAF

Protein Functional Features

check buttonMain function of this protein. (from UniProt)
SUV39H1 (go to UniProt):O43463

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
O43463Region189Note=Interaction with SIRT1Type=Substitution;Start=1;End=6


Gene Isoform Structures and Expression Levels for SUV39H1

check buttonGene structures of our canonical and alternative spliced genes of SUV39H1
* Click on the image to open the UCSC genome browser with custom track showing this image in a new window.
gene isoform structure of SUV39H1

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 O43463-1
3D view using mol* of O43463-2


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 O43463-1
all structure
pLDDT distribution across the protein length of O43463-2
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 O43463-1
all structure
Ramachandran plot of O43463-2
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
O43463-11.0183221.028999.8450.5340.7240.9410.3991.0630.3751.226157,158,159,160,254,255,256,273,280,283,284,287,28
8,290,291,292,293,294,295,296,297,298,299,300,309,
313,314,320,321,322,323,324,363,365,366,367,383,39
2,393,394,395,396,397,398,399,400,401,411,412
O43463-21.0273131.037938.7910.5290.7380.9830.4431.0620.4171.189165,166,167,168,169,170,171,260,265,266,267,284,29
1,294,295,298,299,301,302,303,304,305,306,307,308,
309,310,311,312,313,324,325,330,331,332,333,334,33
5,345,374,376,377,378,379,380,404,406,407,408,409,
410,411,412,422,423

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 O43463-1_O43463-1_3mts_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 O43463-1_3mts_A_O43463-2.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 O43463-1_O43463-2.pdb

check button Protein Feature Comparison of the protein sequendary structures among the protiens.
./stats/secondary_structure/figure/O43463-1_vs_O43463-2.png
all structure<

check button Protein Feature Comparison of the relative accessible surface area (ASA) among the protiens.
./stats/relative_asa/O43463-1_vs_O43463-2.png
all structure<


Protein-Protein Interaction


check button Interactors from UniProt.
Accession_idSubsectionStartEndFuncitonal featureSplicing information
O43463Region189Note=Interaction with SIRT1Type=Substitution;Start=1;End=6


check button Interactors from STRING.
Gene nameInteractors


Related Drugs to SUV39H1


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

Related Diseases to SUV39H1


check button Previous studies relating to the alternative splicing of SUV39H1 and disease information from the MeSH term (PubMed)
GenePMIDTitleAbstractMeSH IDMeSH term


Clinically important variants in SUV39H1


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