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BUB1

Gene
bub1
Protein
Probable inactive serine/threonine-protein kinase bub1
Organism
Dictyostelium discoideum
Length
1306 amino acids
Similarity
Belongs to the protein kinase superfamily. Ser/Thr protein kinase family. BUB1 subfamily.
Mass
149.359 kDa
Sequence
MSSLSDWENTKENIVPLKTGRDPTKLALFAKQTNQSDEELEKEKQKFEIIINEYQGEDPIDNWLKYIKWVQQSYPGGNMKEQLIVLLERCTRLFLSTEKYKNDPRYLRIWITYADMCRDPIEVFSFLEVQRIGFYLSLLYEARAIVYENKGNYEQADKSFKQGIERKAQPIERLQQKHLDFERRLIARLKHQQQHQQLQQQQQQQNDQLEQQQLDENGNTKLTRSALGTISSSSVHSERKSQQTKGLPLGNSTIDKKRKVGNDQKNNLGFQIFDDEKGGSTTNEVLTDSKFFGSSRKAAALMAAGQTQQTSQMKWDELEPELNKHKENTQLSQKWSDVKLLQKKQKITTAGFQIYCDQDSLSNNNNGSNNNNNNNNNENIPLSPDKLRVHSSKQQSKLEQIQNNPLANFPKVSTSNSSSSSSSSTNKSTSTTTVTTTKNERVGYNKPLFTKENEKHEISFEEYRASLFKKKLIEKQEQQNKKIEKEKEELDIKLKQEQKEQKEKEQKEKEQKEKEELEIKLKQEQQEKELQYQQHQQKQYQQKQQQQQSYNPPSPTMTIHTKQAFHDVMAMFSEPLEFEKNNKSTSSSSSLQLNNVPSSPNPFTESTLMKSTIDNNKNDNNNNNNNNNNNNNNKNTDVSFDEKSIEDQENIDPNQGGGGGNNDGNPLLSSKITNRDVLMKQLFSKDEDEGNQFDQERDMVKTIERIDLLVKGKDTPKFEIFEDSTLASSQLHSKSVSLADKVASKNKQLNPLEQSQNPLKKSILGSSGINGINGNNGGFTIFQDQPNQEKKQPLQQSQLQNPLKNSILGISDANGNGGGGGSGSGSGGFTIFQDQAAEEKKPFNEKEQQQQEEKEKENKIEEEEEEEEKDKEKEINYQNITGNITSTIDPTTVIICSLTPDDGIVNPYLIDHQYLLEQHVSATVQSIQSFFNVGDDLAPLPEQLDQCEPNQLFEDNSIIVQWPFSDITVNFTKCVCKSTMDGSMTFKVERIDDLAMTTSEDSWLSCKVQDPPSIWEFYIGNQIHQRLQERSLTISNSKFPTIHSLYYYTDKSIMLMDHTIDQGTLDDVVSSTNGVPMEEPLAMFHCIELLKMIEDLHLVGIIHGNICANNLHFLFGQTSDWPDWTAGECKGAWKSKGFTLTDFSRSIDTTIYSQDARYQSPIELLPIGTPLEWLKINQSSTTNVGWSYNLDYLGICKVMFHILTCGKEELKLSLSQQTGKLEIINQSIIQKDSFSELDTLWLPFLTTLLNHNGENGNQQTTTTTYILKQQRNLFENYLQSNPVKSKIKSLLRIQNIKLFESMKSKQ

Gene
BUB1
Protein
Mitotic checkpoint serine/threonine-protein kinase BUB1
Organism
Homo sapiens
Length
1085 amino acids
Function
Serine/threonine-protein kinase that performs 2 crucial functions during mitosis: it is essential for spindle-assembly checkpoint signaling and for correct chromosome alignment. Has a key role in the assembly of checkpoint proteins at the kinetochore, being required for the subsequent localization of CENPF, BUB1B, CENPE and MAD2L1. Required for the kinetochore localization of PLK1. Required for centromeric enrichment of AUKRB in prometaphase. Plays an important role in defining SGO1 localization and thereby affects sister chromatid cohesion. Acts as a substrate for anaphase-promoting complex or cyclosome (APC/C) in complex with its activator CDH1 (APC/C-Cdh1). Necessary for ensuring proper chromosome segregation and binding to BUB3 is essential for this function. Can regulate chromosome segregation in a kinetochore-independent manner. Can phosphorylate BUB3. The BUB1-BUB3 complex plays a role in the inhibition of APC/C when spindle-assembly checkpoint is activated and inhibits the ubiquitin ligase activity of APC/C by phosphorylating its activator CDC20. This complex can also phosphorylate MAD1L1. Kinase activity is essential for inhibition of APC/CCDC20 and for chromosome alignment but does not play a major role in the spindle-assembly checkpoint activity. Mediates cell death in response to chromosome missegregation and acts to suppress spontaneous tumorigenesis.
Similarity
Belongs to the protein kinase superfamily. Ser/Thr protein kinase family. BUB1 subfamily.
Mass
122.375 kDa
Sequence
MDTPENVLQMLEAHMQSYKGNDPLGEWERYIQWVEENFPENKEYLITLLEHLMKEFLDKKKYHNDPRFISYCLKFAEYNSDLHQFFEFLYNHGIGTLSSPLYIAWAGHLEAQGELQHASAVLQRGIQNQAEPREFLQQQYRLFQTRLTETHLPAQARTSEPLHNVQVLNQMITSKSNPGNNMACISKNQGSELSGVISSACDKESNMERRVITISKSEYSVHSSLASKVDVEQVVMYCKEKLIRGESEFSFEELRAQKYNQRRKHEQWVNEDRHYMKRKEANAFEEQLLKQKMDELHKKLHQVVETSHEDLPASQERSEVNPARMGPSVGSQQELRAPCLPVTYQQTPVNMEKNPREAPPVVPPLANAISAALVSPATSQSIAPPVPLKAQTVTDSMFAVASKDAGCVNKSTHEFKPQSGAEIKEGCETHKVANTSSFHTTPNTSLGMVQATPSKVQPSPTVHTKEALGFIMNMFQAPTLPDISDDKDEWQSLDQNEDAFEAQFQKNVRSSGAWGVNKIISSLSSAFHVFEDGNKENYGLPQPKNKPTGARTFGERSVSRLPSKPKEEVPHAEEFLDDSTVWGIRCNKTLAPSPKSPGDFTSAAQLASTPFHKLPVESVHILEDKENVVAKQCTQATLDSCEENMVVPSRDGKFSPIQEKSPKQALSSHMYSASLLRLSQPAAGGVLTCEAELGVEACRLTDTDAAIAEDPPDAIAGLQAEWMQMSSLGTVDAPNFIVGNPWDDKLIFKLLSGLSKPVSSYPNTFEWQCKLPAIKPKTEFQLGSKLVYVHHLLGEGAFAQVYEATQGDLNDAKNKQKFVLKVQKPANPWEFYIGTQLMERLKPSMQHMFMKFYSAHLFQNGSVLVGELYSYGTLLNAINLYKNTPEKVMPQGLVISFAMRMLYMIEQVHDCEIIHGDIKPDNFILGNGFLEQDDEDDLSAGLALIDLGQSIDMKLFPKGTIFTAKCETSGFQCVEMLSNKPWNYQIDYFGVAATVYCMLFGTYMKVKNEGGECKPEGLFRRLPHLDMWNEFFHVMLNIPDCHHLPSLDLLRQKLKKVFQQHYTNKIRALRNRLIVLLLECKRSRK

Gene
Bub1
Protein
Mitotic checkpoint serine/threonine-protein kinase BUB1
Organism
Mus musculus
Length
1058 amino acids
Function
Serine/threonine-protein kinase that performs 2 crucial functions during mitosis: it is essential for spindle-assembly checkpoint signaling and for correct chromosome alignment. Has a key role in the assembly of checkpoint proteins at the kinetochore, being required for the subsequent localization of CENPF, BUB1B, CENPE and MAD2L1. Required for the kinetochore localization of PLK1. Required for centromeric enrichment of AUKRB in prometaphase. Plays an important role in defining SGO1 localization and thereby affects sister chromatid cohesion. Acts as a substrate for anaphase-promoting complex or cyclosome (APC/C) in complex with its activator CDH1 (APC/C-Cdh1). Necessary for ensuring proper chromosome segregation and binding to BUB3 is essential for this function. Can regulate chromosome segregation in a kinetochore-independent manner. Can phosphorylate BUB3. The BUB1-BUB3 complex plays a role in the inhibition of APC/C when spindle-assembly checkpoint is activated and inhibits the ubiquitin ligase activity of APC/C by phosphorylating its activator CDC20. This complex can also phosphorylate MAD1L1. Kinase activity is essential for inhibition of APC/CCDC20 and for chromosome alignment but does not play a major role in the spindle-assembly checkpoint activity. Mediates cell death in response to chromosome missegregation and acts to suppress spontaneous tumorigenesis. Essential during early and later stages of embryonic development. Necessary for postimplantation embryogenesis and proliferation of primary embryonic fibroblasts and plays an important role in spermatogenesis and fertility.
Similarity
Belongs to the protein kinase superfamily. Ser/Thr protein kinase family. BUB1 subfamily.
Mass
119.563 kDa
Sequence
MDNLENVFRMFEAHMQSYTGNDPLGEWESFIKWVEENFPDNKEYLMTLLEHLMKEFLHKKNYHNDSRFINYCLKFAEYNSDRHQFFEFLYNQGIGTKSSYIYMSWAGHLEAQGELQHASAIFQTGIHNEAEPKELLQQQYRLFQARLTGIHLPAQATTSEPLHSAQILNQVMMTNSSPEKNSACVPKSQGSECSGVASSTCDEKSNMEQRVIMISKSECSVSSSVAPKPEAQQVMYCKEKLIRGDSEFSFEELRAQKYNQRKKHEQWVSEDRNYMKRKEANAFEEQLLKQKMDELHKKLHQVVELSHKDLPASENRPDVSLVCVGQNTCSQQELRGPSLSSISHQTSESSGEKPQEEPSVPLMVNAVNSTLLFPAANLPALPVPVSGQSLTDSRCVNQSVHEFMPQCGPETKEVCETNKVASINDFHTTPNTSLGMVQGTPCKVQPSPTVHTKEALGFIMDMFQAPTLPDISDDKDEWPSLDQNEDAFEAQFQKNAVSSGDWGVKKIMTLSSAFPIFEDGNKENYGLPQPKNKPLGARTFGERSLSKYSSRSNEMPHTDEFMDDSTVCGIRCNKTLAPSPKSIGDFTSAAQLSSTPFHKFPADLVQIPEDKENVVATQYTHMALDSCKENIVDLSKGRKLGPIQEKISASLPCPSQPATGGLFTQEAVFGLEAFKCTGIDHATVEDLSDANAGLQVECVQTLGNVNAPSFTVENPWDDELILKLLSGLSKPVTSYSNTFEWQSKLPAIKTKTEYQLGSLLVYVNHLLGEGAFAQVFEAIHGDVRNAKSEQKCILKVQRPANSWEFYIGMQLMERLKPEVHHMFIKFYSAHLFKNGSILVGELYSYGTLLNVINLYKNTSEKVMPQALVLTFAIRMLYMVEQVHSCEIIHGDIKPDNFILGHRFLEQADEDLATGLALIDLGQSIDMKLFPKGTVFTGKCETSGFQCPEMLSNKPWNYQIDYFGVAATIYCMLFGSYMKVKNEGGVWKPEGLFRRLPHLDMWEEFFHIMLNIPDCHNLPSLDFLRQNMKKLLEQQYSNKIKTLRNRLIVMLSEYKRSRK

Gene
bub1
Protein
Checkpoint serine/threonine-protein kinase bub1
Organism
Schizosaccharomyces pombe (strain 972 / ATCC 24843)
Length
1044 amino acids
Function
Involved in cell cycle checkpoint enforcement. Acts to stabilize the spindle during mitosis. Required for the correct localization of bub3 and mad3 to the kinetochore. Appears to have a role in chromosome segregation. Catalyzes the phosphorylation of bub3.
Similarity
Belongs to the protein kinase superfamily. Ser/Thr protein kinase family. BUB1 subfamily.
Mass
118.353 kDa
Sequence
MSDWRLTENVLDQNIPETKPRESKTRLEEIQRLALFQEELDIIEELDDPVDVWYRCIEWLLETRFLGMETVNKMLDDAIQYLERCRFALNDVRHLLIQLAKIKQSYETPDELQQAAKQFYQLASKGIGLELALFYEEYGSLLIRMQRWKEASEVFHAAVSREARPLVRLLRNAAEFSRAYDLHNAHPSIHDAPYSSPFPPPRIVLGSKPVSSSTLPSKPKSFQVFSDASSSRDSQNASDLPQAKSLESEANTPNLPLLYDKSSGKRVEYSAFNFLALYENGEERSMEECRAQRYLSSIQPNTAASFPKVVPKNEISVHHDSSSSNVSPIYKNPVAEQSDTPTRSLPKNYAYVAKSTSPELKVFDTVMPVALSPKPAQKPPSPTIHTKAALADILDIFNQPLRSESLEKSSKSPISAQSSYLGTPLKNDENSSNSGATSLTGRSQEEHLDFIPSLTPSKNYPSKIYSPNKNLDFSHTASKAETYKNSNELENVKREQPFSELLPSTLQEETATGTTSTTFANAKRRPEDSNISPTNPKKLHTLPRSPQYSTVDSNSVLSPAMPKGYMFVNENQSMKHESSVSNPVATIPHENGKHDFGQLSPIEHKPFFPKNDDELPGPSGYLTMPYEEAMASLSNLPTLINPLDQSLRDLLFQVLRPSLLRDKDYHEHETSFALVEHIESFVSKIKPKAGGPGRRRSSNRHSLDGPEFHLFYPPNTNLSVISKLGQGAFAPVYLVKSKIETENGDVSQGGAENNESKLFALKIETPPSCFEFYLTRQAMTRLKGLRETNSILPVHQLHMFHDTSHLLMDYRPQGSILDLVNSMHNSTFSSSGMDEILVVFFSIEFLRIIEALHTHKIIHGDLKADNALLRLETVADSEWSPIYSPEGLYGWSFKGIYLIDFGRGIDLSLFEEKVKFIADWDTDLQDCIEMREGRPWTYQIDYHGLAAIIYTMLFGQYIETRIEVINGQRRQVLTQRMKRYWNQDLWHRLFDLLLNPTLHVSEENLPMTEELSKIRIEMEEWLVNHSTGGSGLKGLLKSIEKRKI

Gene
BUB1
Protein
Checkpoint serine/threonine-protein kinase BUB1
Organism
Saccharomyces cerevisiae (strain ATCC 204508 / S288c)
Length
1021 amino acids
Function
Involved in cell cycle checkpoint enforcement. The formation of a MAD1-BUB1-BUB3 complex seems to be required for the spindle checkpoint mechanism. Catalyzes the phosphorylation of BUB3 and its autophosphorylation. Associates with centromere (CEN) DNA via interaction with SKP1. The association with SKP1 is required for the mitotic delay induced by kinetochore tension defects, but not for the arrest induced by spindle depolymerization or kinetochore assembly defects.
Similarity
Belongs to the protein kinase superfamily. Ser/Thr protein kinase family. BUB1 subfamily.
Mass
117.868 kDa
Sequence
MNLDLGSTVRGYESDKDTFPQSKGVSSSQKEQHSQLNQTKIAYEQRLLNDLEDMDDPLDLFLDYMIWISTSYIEVDSESGQEVLRSTMERCLIYIQDMETYRNDPRFLKIWIWYINLFLSNNFHESENTFKYMFNKGIGTKLSLFYEEFSKLLENAQFFLEAKVLLELGAENNCRPYNRLLRSLSNYEDRLREMNIVENQNSVPDSRERLKGRLIYRTAPFFIRKFLTSSLMTDDKENRANLNSNVGVGKSAPNVYQDSIVVADFKSETERLNLNSSKQPSNQRLKNGNKKTSIYADQKQSNNPVYKLINTPGRKPERIVFNFNLIYPENDEEFNTEEILAMIKGLYKVQRRGKKHTEDYTSDKNRKKRKLDVLVERRQDLPSSQPPVVPKSTRIEVFKDDDNPSQSTHHKNTQVQVQTTTSILPLKPVVDGNLAHETPVKPSLTSNASRSPTVTAFSKDAINEVFSMFNQHYSTPGALLDGDDTTTSKFNVFENFTQEFTAKNIEDLTEVKDPKQETVSQQTTSTNETNDRYERLSNSSTRPEKADYMTPIKETTETDVVPIIQTPKEQIRTEDKKSGDNTETQTQLTSTTIQSSPFLTQPEPQAEKLLQTAEHSEKSKEHYPTIIPPFTKIKNQPPVIIENPLSNNLRAKFLSEISPPLFQYNTFYNYNQELKMSSLLKKIHRVSRNENKNPIVDFKKTGDLYCIRGELGEGGYATVYLAESSQGHLRALKVEKPASVWEYYIMSQVEFRLRKSTILKSIINASALHLFLDESYLVLNYASQGTVLDLINLQREKAIDGNGIMDEYLCMFITVELMKVLEKIHEVGIIHGDLKPDNCMIRLEKPGEPLGAHYMRNGEDGWENKGIYLIDFGRSFDMTLLPPGTKFKSNWKADQQDCWEMRAGKPWSYEADYYGLAGVIHSMLFGKFIETIQLQNGRCKLKNPFKRYWKKEIWGVIFDLLLNSGQASNQALPMTEKIVEIRNLIESHLEQHAENHLRNVILSIEEELSHFQYKGKPSRRF

Gene
BUB1
Protein
Mitotic checkpoint serine/threonine-protein kinase BUB1
Organism
Arabidopsis thaliana
Length
525 amino acids
Function
Serine/threonine-protein kinase that performs 2 crucial functions during mitosis: it is essential for spindle-assembly checkpoint signaling and for correct chromosome alignment. Has a key role in the assembly of checkpoint proteins at the kinetochore. Acts as a substrate for anaphase-promoting complex or cyclosome (APC/C). Necessary for ensuring proper chromosome segregation. Can regulate chromosome segregation in a kinetochore-independent manner. The BUB1-BUB3 complex plays a role in the inhibition of APC/C when spindle-assembly checkpoint is activated and inhibits the ubiquitin ligase activity of APC/C by phosphorylating its activator CDC20. Kinase activity is essential for inhibition of APC/CCDC20 and for chromosome alignment but does not play a major role in the spindle-assembly checkpoint activity (By similarity).
Similarity
Belongs to the protein kinase superfamily. Ser/Thr protein kinase family. BUB1 subfamily.
Mass
61.123 kDa
Sequence
MTIGYRDAAGDPLFPWLMEIKNSMEDLYAGKNSGYDLDKLLFDCISTYKKDSRYRNDLRFLKIWFLYLEGREDFERVYREIEETEICKGHSLLYEWYAIFLEVKGLWRRANSVYQTGLSRKAEPFDRLKEAHSLFLQRISKRTKASSLEKVGDDAQATDLETGFVNPWETSTVNGLIHKIKPQLVKYDGYHVSNKVFPGKANLSSLQNYSRNKIIEIGGRKYQMKGCAGQGGFAQVFKAFIDSNPDEVVALKVQKPPFPWEFHMYRQLDCRIPDSQRSSFGLAQRVHVYSDYSILVCDYLSHGTLQDVINSYVVVGKSMEEVLCMYYTIEMLNMLETLHSVGIIHGDFKPDNLLIRYPPENLTETGFHEKTGSWSKKGLCLVDWGRGIDLSLFPRTTEFTGDCRTSGFRCVEMKEDKPWKFQVDTYGLCVIVHMMLHNVYMEIEKKQSLDGGYINMPRTSFKRYWKVDLWKELFTKLLNRETCEDDTETLRNLRKSMEEYICSDPKLMKKLNELLAKQRISLCSS