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TAF4B

Gene
TAF4B
Protein
Transcription initiation factor TFIID subunit 4B
Organism
Homo sapiens
Length
862 amino acids
Function
Cell type-specific subunit of the general transcription factor TFIID that may function as a gene-selective coactivator in certain cells. TFIID is a multimeric protein complex that plays a central role in mediating promoter responses to various activators and repressors. TAF4B is a transcriptional coactivator of the p65/RELA NF-kappa-B subunit. Involved in the activation of a subset of antiapoptotic genes including TNFAIP3. May be involved in regulating folliculogenesis. Through interaction with OCBA/POU2AF1, acts as a coactivator of B-cell-specific transcription. Plays a role in spermiogenesis and oogenesis.
Similarity
Belongs to the TAF4 family.
Mass
91.091 kDa
Sequence
MPAGLTEPAGAAPPAAVSASGTVTMAPAGALPVRVESTPVALGAVTKAPVSVCVEPTASQPLRSPVGTLVTKVAPVSAPPKVSSGPRLPAPQIVAVKAPNTTTIQFPANLQLPPGTVLIKSNSGPLMLVSPQQTVTRAETTSNITSRPAVPANPQTVKICTVPNSSSQLIKKVAVTPVKKLAQIGTTVVTTVPKPSSVQSVAVPTSVVTVTPGKPLNTVTTLKPSSLGASSTPSNEPNLKAENSAAVQINLSPTMLENVKKCKNFLAMLIKLACSGSQSPEMGQNVKKLVEQLLDAKIEAEEFTRKLYVELKSSPQPHLVPFLKKSVVALRQLLPNSQSFIQQCVQQTSSDMVIATCTTTVTTSPVVTTTVSSSQSEKSIIVSGATAPRTVSVQTLNPLAGPVGAKAGVVTLHSVGPTAATGGTTAGTGLLQTSKPLVTSVANTVTTVSLQPEKPVVSGTAVTLSLPAVTFGETSGAAICLPSVKPVVSSAGTTSDKPVIGTPVQIKLAQPGPVLSQPAGIPQAVQVKQLVVQQPSGGNEKQVTTISHSSTLTIQKCGQKTMPVNTIIPTSQFPPASILKQITLPGNKILSLQASPTQKNRIKENVTSCFRDEDDINDVTSMAGVNLNEENACILATNSELVGTLIQSCKDEPFLFIGALQKRILDIGKKHDITELNSDAVNLISQATQERLRGLLEKLTAIAQHRMTTYKASENYILCSDTRSQLKFLEKLDQLEKQRKDLEEREMLLKAAKSRSNKEDPEQLRLKQKAKELQQLELAQIQHRDANLTALAAIGPRKKRPLESGIEGLKDNLLASGTSSLTATKQLHRPRITRICLRDLIFCMEQEREMKYSRALYLALLK

Gene
TAF4B
Protein
Transcription initiation factor TFIID subunit 4b
Organism
Arabidopsis thaliana
Length
852 amino acids
Function
TAFs are components of the transcription factor IID (TFIID) complex that is essential for mediating regulation of RNA polymerase transcription.
Similarity
Belongs to the TAF4 family.
Mass
93.741 kDa
Sequence
MDPSIFKLLEEDEDESMHSGADVDAFQAALNRDIEGSMTTSIPHVTNPGNNHSSRQQFSTWKNGIGDSNINVQTQHSLESTQMKEQEGSTLENQHQHDLKRANEPHLQHNQPQDLHRAGQLWENPSQVPQSTGLPISEKNPTGNESDRSHNQESESQYMKLQKMSSQQARGVEPPVNPMNVNPINRNPKQVPFAALLPTLMNQLDKDRALQLRTLYARLKKNEIPKEGFTRHMKDIVGDQMLRMAVSKLQQVNYNQGKIGIQAPSTEINNQKSQSDPRAVHLNQLPSSASGTLGSSVPVQGLTKHPQHQMQHPPSSFPMYTTSGSFHSFPGPNTNASGSTLRPHLHDSHMRHVAHNQPMGSTGLGGPPQSTTNMMTMPKFERPSSVNDPSRVQGGATSHFQNSSSLPLNSAPGQGSSVSHVKQESVDQSFEKNNAASMTSNEDLEKESSRMVLSTPNNMAPASSVSPSMTTQLDASTTMNSRGPLGTSQGGANARMPPKKPSVGQKKPLETLGSSPPPPSKKQKVAGNSMDQSIEQLNDVTAVSGVNLREEEEQLFSGAKEDGRVSEASRRVVHEEEERLILQKNPLQRKLAEIMAKAGLKQISNDVERCLSLCVEERMRGLLSHIIRLSKQRVDAEKSRHRTFITSDIRLQINEMNQKVKEEWEKKQAEAEKLKKPSESEEGDGGVDSEKDKEDNRSKGVKGNKEDDDKMRTTAANVAARAAVGGDDAFLKWQLMAEARQKSVSEAGKDGNQKTTSGGGKNSKDRQDGGRRFSGTESSCGVGIVYRVSSSRFWFAMMSFGFLFAGGRRVGKNQGSSLQPKVVRTISVKDVVAVLEREPQMSKSTLMYRLIQ

Gene
Taf4b
Protein
Transcription initiation factor TFIID subunit 4B
Organism
Mus musculus
Length
850 amino acids
Function
Cell type-specific subunit of the general transcription factor TFIID that may function as a gene-selective coactivator in certain cells. TFIID is a multimeric protein complex that plays a central role in mediating promoter responses to various activators asond repressors. TAF4B is a transcriptional coactivator of the p65/RELA NF-kappa-B subunit. Involved in the activation of a subset of antiapoptotic genes including TNFAIP3. Through interaction with OCBA/POU2AF1, acts as a coactivator of B-cell-specific transcription. Plays a role in spermiogenesis and oogenesis.
Similarity
Belongs to the TAF4 family.
Mass
89.528 kDa
Sequence
MPAGLTEPAGAAAPVVSSASGAVTMAPVAALPVRVEGTPVALGPVTKAPVSVCVESVAPQPLPAPVGTLVTKVVPVTALPKLGSPRLPAPQIVTVKTPGTTTIQLPANLQLPPGTVLIKSNSGQLMLVSPQQAVTGAKTTSNITPRPAVPANTQTVKICTVPNSSSQLMKKVTVAPVKNLTQIGTTVATTASSTSSGQPVALPSSVITVTPAKLVNTVSTLKSSSLGVLSTPSNDARLKAETSVAAQTALPPTVLENVKKCKNFLSMLIKLACSGSQSPEMGQNVKRLVEQLLDAEIEAEEFTRKLYIELKSAPQPHLVPFLKKSVVALRQLLPNSQSFIENCVKEVSGDVVISSCTMTTATSPVVTSTVSPVLVSGATAPRTLSVQQTLNPLAGPGVANTGVVTLHSVAPAAATGGTTAATVLLQTSKPLTTSVPNTVAAVSLQPENPVVSGAAVTLAIPSATFGEASATPLCLPSAKPAITSAGTKADKPAIGTPVQIVTQPSTLLPQAAGIPQTAKVKQLVVQQPSGSSVNHVTSISHSSPLSTQNCGQKTPVNAVMPTSSIIKQITLPGNKLLSLQAQRSSIQSNKIKENGPTCFRGEDDINDVTFMAEVNLDEENACILAAHSDFVGTLIQSCKEEPFLVIGALQKRILDIGKKHDITELNSDAVNLISHATQERLRGLLEKLTTIAQHRMTIYKGSENYILSTDTRSQLKFLEKLDQLEKQRKDLEEREMLLKAAKSRSNKEDPEQLRLKQKAKELQQLELAQIQYRDANLTALAAIGPRKKRPLESGNESFKDNPSTSGTSSLTATKPFRPRITRICLRDLIFCMEQEREMKYSRALYLALLK