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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:HDAC6

Protein Summary

check button Gene summary
Gene name: HDAC6
ASpdb.0 ID: 10013
Gene
Gene symbol

HDAC6

Gene ID

10013

Gene namehistone deacetylase 6
SynonymsCPBHM|HD6|JM21|KDAC6|PPP1R90
Cytomap

Xp11.23

Type of geneprotein-coding
Descriptionhistone deacetylase 6alpha-tubulin deacetylase HDAC6protein deacetylase HDAC6protein phosphatase 1, regulatory subunit 90tubulin-lysine deacetylase HDAC6
Modification date20240414
UniProtAcc

Q9UBN7


check button Gene ontology of this gene with evidence of Inferred from Direct Assay (IDA) from Entrez
PartnerGeneGO IDGO termPubMed ID
GeneHDAC6

GO:0000118

histone deacetylase complex

11948178

GeneHDAC6

GO:0000978

RNA polymerase II cis-regulatory region sequence-specific DNA binding

24413532

GeneHDAC6

GO:0004407

histone deacetylase activity

10220385

GeneHDAC6

GO:0005654

nucleoplasm

-

GeneHDAC6

GO:0005737

cytoplasm

24687993|26246421

GeneHDAC6

GO:0005813

centrosome

26246421

GeneHDAC6

GO:0005829

cytosol

-

GeneHDAC6

GO:0005874

microtubule

12620231

GeneHDAC6

GO:0005875

microtubule associated complex

19228685

GeneHDAC6

GO:0005901

caveola

18356165

GeneHDAC6

GO:0006476

protein deacetylation

28516954

GeneHDAC6

GO:0008017

microtubule binding

19228685

GeneHDAC6

GO:0016234

inclusion body

16192271

GeneHDAC6

GO:0016235

aggresome

14675537

GeneHDAC6

GO:0031252

cell leading edge

12024216

GeneHDAC6

GO:0031593

polyubiquitin modification-dependent protein binding

14675537

GeneHDAC6

GO:0033558

protein lysine deacetylase activity

28516954|31857589

GeneHDAC6

GO:0036064

ciliary basal body

17604723|26246421

GeneHDAC6

GO:0042903

tubulin deacetylase activity

12620231|19228685|20308065

GeneHDAC6

GO:0043014

alpha-tubulin binding

19228685

GeneHDAC6

GO:0047611

acetylspermidine deacetylase activity

28516954

GeneHDAC6

GO:0048156

tau protein binding

18636984

GeneHDAC6

GO:0048471

perinuclear region of cytoplasm

12024216

GeneHDAC6

GO:0051879

Hsp90 protein binding

15916966

GeneHDAC6

GO:0061523

cilium disassembly

26246421

GeneHDAC6

GO:0070840

dynein complex binding

14675537

GeneHDAC6

GO:0090042

tubulin deacetylation

19228685|20308065|23093407

GeneHDAC6

GO:0106047

polyamine deacetylation

28516954

GeneHDAC6

GO:0106048

spermidine deacetylation

28516954

GeneHDAC6

GO:1905336

negative regulation of aggrephagy

31857589



AS Summary

check button Information of the canonical protein with experimentally identified structure from PDB (2023).
UniProt AccFile namePDB IDMethodResolutionChainStartEnd
Q9UBN7-1Q9UBN7-1_3c5k_A.pdb3C5KX-ray1.55A11091215

check button ASpdb's canonical and alternatively spliced isoform information.
accession_idgene_namecanonical_idalternative_idcanonical_lengthalternative_lengthcanonical_startcanonical_endtypeoriginalSEQvariationSEQalternative_startalternative_end
Q9UBN7HDAC6Q9UBN7-1Q9UBN7-2121510631152Deletionnonenone00

check buttonMultiple sequence alignment of our canonical and alternatively spliced HDAC6

check button Matched gene isoform IDs with Ensembl and RefSeq of our canonical and alternative spliced genes of HDAC6
UniProt-idENSGENSTENSP
Q9UBN7-1ENSG00000094631.22ENST00000334136.11ENSP00000334061.5
Q9UBN7-1ENSG00000094631.22ENST00000376610.7ENSP00000365795.3
Q9UBN7-1ENSG00000094631.22ENST00000376619.7ENSP00000365804.2
Q9UBN7-1ENSG00000094631.22ENST00000376643.7ENSP00000365831.3
Q9UBN7-1ENSG00000094631.22ENST00000423941.6ENSP00000392815.2
Q9UBN7-1ENSG00000094631.22ENST00000440653.2ENSP00000394377.2
Q9UBN7-1ENSG00000094631.22ENST00000443563.6ENSP00000402751.2
Q9UBN7-1ENSG00000094631.22ENST00000643374.2ENSP00000496046.1
Q9UBN7-1ENSG00000094631.22ENST00000644068.1ENSP00000496013.1

UniProt-idNM IDNP ID
Q9UBN7-1NM_001321226.1NP_001308155.1
Q9UBN7-1NM_001321227.1NP_001308156.1
Q9UBN7-1NM_001321228.1NP_001308157.1
Q9UBN7-1NM_001321229.1NP_001308158.1
Q9UBN7-1NM_006044.3NP_006035.2

check buttonAmino acid sequences of our canonical and alternatively spliced HDAC6
accession_idProtein sequence
Q9UBN7-1MTSTGQDSTTTRQRRSRQNPQSPPQDSSVTSKRNIKKGAVPRSIPNLAEVKKKGKMKKLGQAMEEDLIVGLQGMDLNLEAEALAGTGLVL
DEQLNEFHCLWDDSFPEGPERLHAIKEQLIQEGLLDRCVSFQARFAEKEELMLVHSLEYIDLMETTQYMNEGELRVLADTYDSVYLHPNS
YSCACLASGSVLRLVDAVLGAEIRNGMAIIRPPGHHAQHSLMDGYCMFNHVAVAARYAQQKHRIRRVLIVDWDVHHGQGTQFTFDQDPSV
LYFSIHRYEQGRFWPHLKASNWSTTGFGQGQGYTINVPWNQVGMRDADYIAAFLHVLLPVALEFQPQLVLVAAGFDALQGDPKGEMAATP
AGFAQLTHLLMGLAGGKLILSLEGGYNLRALAEGVSASLHTLLGDPCPMLESPGAPCRSAQASVSCALEALEPFWEVLVRSTETVERDNM
EEDNVEESEEEGPWEPPVLPILTWPVLQSRTGLVYDQNMMNHCNLWDSHHPEVPQRILRIMCRLEELGLAGRCLTLTPRPATEAELLTCH
SAEYVGHLRATEKMKTRELHRESSNFDSIYICPSTFACAQLATGAACRLVEAVLSGEVLNGAAVVRPPGHHAEQDAACGFCFFNSVAVAA
RHAQTISGHALRILIVDWDVHHGNGTQHMFEDDPSVLYVSLHRYDHGTFFPMGDEGASSQIGRAAGTGFTVNVAWNGPRMGDADYLAAWH
RLVLPIAYEFNPELVLVSAGFDAARGDPLGGCQVSPEGYAHLTHLLMGLASGRIILILEGGYNLTSISESMAACTRSLLGDPPPLLTLPR
PPLSGALASITETIQVHRRYWRSLRVMKVEDREGPSSSKLVTKKAPQPAKPRLAERMTTREKKVLEAGMGKVTSASFGEESTPGQTNSET
AVVALTQDQPSEAATGGATLAQTISEAAIGGAMLGQTTSEEAVGGATPDQTTSEETVGGAILDQTTSEDAVGGATLGQTTSEEAVGGATL
AQTTSEAAMEGATLDQTTSEEAPGGTELIQTPLASSTDHQTPPTSPVQGTTPQISPSTLIGSLRTLELGSESQGASESQAPGEENLLGEA
AGGQDMADSMLMQGSRGLTDQAIFYAVTPLPWCPHLVAVCPIPAAGLDVTQPCGDCGTIQENWVCLSCYQVYCGRYINGHMLQHHGNSGH
Q9UBN7-2METTQYMNEGELRVLADTYDSVYLHPNSYSCACLASGSVLRLVDAVLGAEIRNGMAIIRPPGHHAQHSLMDGYCMFNHVAVAARYAQQKH
RIRRVLIVDWDVHHGQGTQFTFDQDPSVLYFSIHRYEQGRFWPHLKASNWSTTGFGQGQGYTINVPWNQVGMRDADYIAAFLHVLLPVAL
EFQPQLVLVAAGFDALQGDPKGEMAATPAGFAQLTHLLMGLAGGKLILSLEGGYNLRALAEGVSASLHTLLGDPCPMLESPGAPCRSAQA
SVSCALEALEPFWEVLVRSTETVERDNMEEDNVEESEEEGPWEPPVLPILTWPVLQSRTGLVYDQNMMNHCNLWDSHHPEVPQRILRIMC
RLEELGLAGRCLTLTPRPATEAELLTCHSAEYVGHLRATEKMKTRELHRESSNFDSIYICPSTFACAQLATGAACRLVEAVLSGEVLNGA
AVVRPPGHHAEQDAACGFCFFNSVAVAARHAQTISGHALRILIVDWDVHHGNGTQHMFEDDPSVLYVSLHRYDHGTFFPMGDEGASSQIG
RAAGTGFTVNVAWNGPRMGDADYLAAWHRLVLPIAYEFNPELVLVSAGFDAARGDPLGGCQVSPEGYAHLTHLLMGLASGRIILILEGGY
NLTSISESMAACTRSLLGDPPPLLTLPRPPLSGALASITETIQVHRRYWRSLRVMKVEDREGPSSSKLVTKKAPQPAKPRLAERMTTREK
KVLEAGMGKVTSASFGEESTPGQTNSETAVVALTQDQPSEAATGGATLAQTISEAAIGGAMLGQTTSEEAVGGATPDQTTSEETVGGAIL
DQTTSEDAVGGATLGQTTSEEAVGGATLAQTTSEAAMEGATLDQTTSEEAPGGTELIQTPLASSTDHQTPPTSPVQGTTPQISPSTLIGS
LRTLELGSESQGASESQAPGEENLLGEAAGGQDMADSMLMQGSRGLTDQAIFYAVTPLPWCPHLVAVCPIPAAGLDVTQPCGDCGTIQEN

Protein Functional Features

check buttonMain function of this protein. (from UniProt)
HDAC6 (go to UniProt):Q9UBN7

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
Q9UBN7Region144Note=Disordered;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:MobiDB-liteType=Deletion;Start=1;End=152
Q9UBN7Region87404Note=Histone deacetylase 1Type=Deletion;Start=1;End=152
Q9UBN7Compositional bias134Note=Polar residues;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:MobiDB-liteType=Deletion;Start=1;End=152


Gene Isoform Structures and Expression Levels for HDAC6

check buttonGene structures of our canonical and alternative spliced genes of HDAC6
* Click on the image to open the UCSC genome browser with custom track showing this image in a new window.
gene isoform structure of HDAC6

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 Q9UBN7-1
3D view using mol* of Q9UBN7-2


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 Q9UBN7-1
all structure
pLDDT distribution across the protein length of Q9UBN7-2
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 Q9UBN7-1
all structure
Ramachandran plot of Q9UBN7-2
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
Q9UBN7-11.0381831.033434.2380.5030.7551.0150.7421.1050.6710.907325,329,332,333,428,429,432,437,438,440,441,442,44
3,444,445,706,713,716,717,720,721,808,811,812,814,
815,818,820,821,822,824,825,834,836,837,838
Q9UBN7-21.0361230.967375.9280.4740.7511.0350.21.3010.1540.696361,365,557,559,560,561,562,593,601,603,604,605,63
7,640,641,644,649,650,652,653,654,655,656,657,658,
950,951,952,953

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 Q9UBN7-1_Q9UBN7-1_3c5k_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 Q9UBN7-1_3c5k_A_Q9UBN7-2.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 Q9UBN7-1_Q9UBN7-2.pdb

check button Protein Feature Comparison of the protein sequendary structures among the protiens.
./stats/secondary_structure/figure/Q9UBN7-1_vs_Q9UBN7-2.png
all structure<

check button Protein Feature Comparison of the relative accessible surface area (ASA) among the protiens.
./stats/relative_asa/Q9UBN7-1_vs_Q9UBN7-2.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 HDAC6


check button Drugs targeting this gene/protein.
(DrugBank)
UniProt accessionGene nameDrugBank IDDrug nameDrug groupActions
Q9UBN7HDAC6DB05223Pracinostatinvestigational
Q9UBN7HDAC6DB06176Romidepsinapproved, investigationalinhibitor
Q9UBN7HDAC6DB13346Bufexamacapproved, withdrawninhibitor
Q9UBN7HDAC6DB02546Vorinostatapproved, investigationalinhibitor

Related Diseases to HDAC6


check button Previous studies relating to the alternative splicing of HDAC6 and disease information from the MeSH term (PubMed)
GenePMIDTitleAbstractMeSH IDMeSH term


Clinically important variants in HDAC6


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