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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:BUB1

Protein Summary

check button Gene summary
Gene name: BUB1
ASpdb.0 ID: 699
Gene
Gene symbol

BUB1

Gene ID

699

Gene nameBUB1 mitotic checkpoint serine/threonine kinase
SynonymsBUB1A|BUB1L|MCPH30|hBUB1
Cytomap

2q13

Type of geneprotein-coding
Descriptionmitotic checkpoint serine/threonine-protein kinase BUB1BUB1 budding uninhibited by benzimidazoles 1 homologbudding uninhibited by benzimidazoles 1 homologmitotic spindle checkpoint kinaseputative serine/threonine-protein kinase
Modification date20240403
UniProtAcc

O43683


check button Gene ontology of this gene with evidence of Inferred from Direct Assay (IDA) from Entrez
PartnerGeneGO IDGO termPubMed ID
GeneBUB1

GO:0000776

kinetochore

15020684|16760428|17227893|19465021|22331848

GeneBUB1

GO:0000940

outer kinetochore

22331848

GeneBUB1

GO:0004672

protein kinase activity

18995837|22331848

GeneBUB1

GO:0004674

protein serine/threonine kinase activity

25308863|26658523|30429199

GeneBUB1

GO:0005654

nucleoplasm

-

GeneBUB1

GO:0005829

cytosol

-

GeneBUB1

GO:0007063

regulation of sister chromatid cohesion

15723797

GeneBUB1

GO:0043231

intracellular membrane-bounded organelle

-

GeneBUB1

GO:0140995

histone H2A kinase activity

26658523



AS Summary

check button Information of the canonical protein with experimentally identified structure from PDB (2023).
UniProt AccFile namePDB IDMethodResolutionChainStartEnd
O43683-1O43683-1_6f7b_A.pdb6F7BX-ray2.0A7331083

check button ASpdb's canonical and alternatively spliced isoform information.
accession_idgene_namecanonical_idalternative_idcanonical_lengthalternative_lengthcanonical_startcanonical_endtypeoriginalSEQvariationSEQalternative_startalternative_end
O43683BUB1O43683-1O43683-3108510651029Deletionnonenone99

check buttonMultiple sequence alignment of our canonical and alternatively spliced BUB1

check button Matched gene isoform IDs with Ensembl and RefSeq of our canonical and alternative spliced genes of BUB1
UniProt-idENSGENSTENSP
O43683-1ENSG00000169679.15ENST00000302759.11ENSP00000302530.6
O43683-3ENSG00000169679.15ENST00000535254.6ENSP00000441013.1

UniProt-idNM IDNP ID
O43683-1NM_004336.4NP_004327.1

check buttonAmino acid sequences of our canonical and alternatively spliced BUB1
accession_idProtein sequence
O43683-1MDTPENVLQMLEAHMQSYKGNDPLGEWERYIQWVEENFPENKEYLITLLEHLMKEFLDKKKYHNDPRFISYCLKFAEYNSDLHQFFEFLY
NHGIGTLSSPLYIAWAGHLEAQGELQHASAVLQRGIQNQAEPREFLQQQYRLFQTRLTETHLPAQARTSEPLHNVQVLNQMITSKSNPGN
NMACISKNQGSELSGVISSACDKESNMERRVITISKSEYSVHSSLASKVDVEQVVMYCKEKLIRGESEFSFEELRAQKYNQRRKHEQWVN
EDRHYMKRKEANAFEEQLLKQKMDELHKKLHQVVETSHEDLPASQERSEVNPARMGPSVGSQQELRAPCLPVTYQQTPVNMEKNPREAPP
VVPPLANAISAALVSPATSQSIAPPVPLKAQTVTDSMFAVASKDAGCVNKSTHEFKPQSGAEIKEGCETHKVANTSSFHTTPNTSLGMVQ
ATPSKVQPSPTVHTKEALGFIMNMFQAPTLPDISDDKDEWQSLDQNEDAFEAQFQKNVRSSGAWGVNKIISSLSSAFHVFEDGNKENYGL
PQPKNKPTGARTFGERSVSRLPSKPKEEVPHAEEFLDDSTVWGIRCNKTLAPSPKSPGDFTSAAQLASTPFHKLPVESVHILEDKENVVA
KQCTQATLDSCEENMVVPSRDGKFSPIQEKSPKQALSSHMYSASLLRLSQPAAGGVLTCEAELGVEACRLTDTDAAIAEDPPDAIAGLQA
EWMQMSSLGTVDAPNFIVGNPWDDKLIFKLLSGLSKPVSSYPNTFEWQCKLPAIKPKTEFQLGSKLVYVHHLLGEGAFAQVYEATQGDLN
DAKNKQKFVLKVQKPANPWEFYIGTQLMERLKPSMQHMFMKFYSAHLFQNGSVLVGELYSYGTLLNAINLYKNTPEKVMPQGLVISFAMR
MLYMIEQVHDCEIIHGDIKPDNFILGNGFLEQDDEDDLSAGLALIDLGQSIDMKLFPKGTIFTAKCETSGFQCVEMLSNKPWNYQIDYFG
VAATVYCMLFGTYMKVKNEGGECKPEGLFRRLPHLDMWNEFFHVMLNIPDCHHLPSLDLLRQKLKKVFQQHYTNKIRALRNRLIVLLLEC
O43683-3MDTPENVLQYIQWVEENFPENKEYLITLLEHLMKEFLDKKKYHNDPRFISYCLKFAEYNSDLHQFFEFLYNHGIGTLSSPLYIAWAGHLE
AQGELQHASAVLQRGIQNQAEPREFLQQQYRLFQTRLTETHLPAQARTSEPLHNVQVLNQMITSKSNPGNNMACISKNQGSELSGVISSA
CDKESNMERRVITISKSEYSVHSSLASKVDVEQVVMYCKEKLIRGESEFSFEELRAQKYNQRRKHEQWVNEDRHYMKRKEANAFEEQLLK
QKMDELHKKLHQVVETSHEDLPASQERSEVNPARMGPSVGSQQELRAPCLPVTYQQTPVNMEKNPREAPPVVPPLANAISAALVSPATSQ
SIAPPVPLKAQTVTDSMFAVASKDAGCVNKSTHEFKPQSGAEIKEGCETHKVANTSSFHTTPNTSLGMVQATPSKVQPSPTVHTKEALGF
IMNMFQAPTLPDISDDKDEWQSLDQNEDAFEAQFQKNVRSSGAWGVNKIISSLSSAFHVFEDGNKENYGLPQPKNKPTGARTFGERSVSR
LPSKPKEEVPHAEEFLDDSTVWGIRCNKTLAPSPKSPGDFTSAAQLASTPFHKLPVESVHILEDKENVVAKQCTQATLDSCEENMVVPSR
DGKFSPIQEKSPKQALSSHMYSASLLRLSQPAAGGVLTCEAELGVEACRLTDTDAAIAEDPPDAIAGLQAEWMQMSSLGTVDAPNFIVGN
PWDDKLIFKLLSGLSKPVSSYPNTFEWQCKLPAIKPKTEFQLGSKLVYVHHLLGEGAFAQVYEATQGDLNDAKNKQKFVLKVQKPANPWE
FYIGTQLMERLKPSMQHMFMKFYSAHLFQNGSVLVGELYSYGTLLNAINLYKNTPEKVMPQGLVISFAMRMLYMIEQVHDCEIIHGDIKP
DNFILGNGFLEQDDEDDLSAGLALIDLGQSIDMKLFPKGTIFTAKCETSGFQCVEMLSNKPWNYQIDYFGVAATVYCMLFGTYMKVKNEG

Protein Functional Features

check buttonMain function of this protein. (from UniProt)
BUB1 (go to UniProt):O43683

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
O43683Domain11182Note=BUB1 N-terminal;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00822Type=Deletion;Start=10;End=29
O43683Region1146Note=Necessary for kinetochore localizationType=Deletion;Start=10;End=29


Gene Isoform Structures and Expression Levels for BUB1

check buttonGene structures of our canonical and alternative spliced genes of BUB1
* Click on the image to open the UCSC genome browser with custom track showing this image in a new window.
gene isoform structure of BUB1

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 O43683-1
3D view using mol* of O43683-3


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 O43683-1
all structure
pLDDT distribution across the protein length of O43683-3
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 O43683-1
all structure
Ramachandran plot of O43683-3
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
O43683-11.0116291.0291945.8390.5630.7140.9260.6131.0390.590.811276,280,283,284,287,527,528,529,530,531,532,742,74
3,744,747,748,751,754,757,758,759,777,786,787,788,
790,791,792,793,794,795,796,797,798,799,801,803,80
5,806,807,809,815,816,817,818,819,821,823,824,825,
826,827,828,829,830,847,848,850,851,852,853,867,86
8,869,870,871,872,873,875,876,879,900,916,917,918,
919,921,922,924,926,927,928,940,941,942,943,945,94
6,947,948,949,966,967,968,969,970,971,972,974,975,
977,978,980,985,986,987,989,990,993,1003,1004,1005
,1006,1007,1008,1013,1036,1037,1038,1039,1040,1077
,1080,1081,1083,1084,1085
O43683-31.0515071.1011941.7230.6160.7070.8670.7530.8090.9311.004248,249,250,252,253,256,257,259,260,263,264,267,26
8,271,497,500,501,504,505,506,507,508,509,720,722,
724,727,728,731,732,734,737,738,739,756,757,770,77
1,772,773,774,775,776,777,778,779,781,783,799,801,
803,805,806,807,808,809,810,830,832,837,846,848,84
9,850,851,852,853,855,856,859,860,862,863,896,897,
898,899,901,902,904,925,926,928,929,945,946,947,94
8,950,951,966,969,970,973,1057,1060,1061,1063,1064
,1065

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 O43683-1_O43683-1_6f7b_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 O43683-1_6f7b_A_O43683-3.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 O43683-1_O43683-3.pdb

check button Protein Feature Comparison of the protein sequendary structures among the protiens.
./stats/secondary_structure/figure/O43683-1_vs_O43683-3.png
all structure<

check button Protein Feature Comparison of the relative accessible surface area (ASA) among the protiens.
./stats/relative_asa/O43683-1_vs_O43683-3.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 BUB1


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

Related Diseases to BUB1


check button Previous studies relating to the alternative splicing of BUB1 and disease information from the MeSH term (PubMed)
GenePMIDTitleAbstractMeSH IDMeSH term


Clinically important variants in BUB1


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