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BRF2_MOUSE
ID   BRF2_MOUSE              Reviewed;         420 AA.
AC   Q3UAW9; Q9CZF0;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   11-OCT-2005, sequence version 1.
DT   03-AUG-2022, entry version 113.
DE   RecName: Full=Transcription factor IIIB 50 kDa subunit;
DE   AltName: Full=B-related factor 2;
DE            Short=BRF-2;
GN   Name=Brf2;
OS   Mus musculus (Mouse).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC   Eutheria; Euarchontoglires; Glires; Rodentia; Myomorpha; Muroidea; Muridae;
OC   Murinae; Mus; Mus.
OX   NCBI_TaxID=10090;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
RC   STRAIN=C57BL/6J; TISSUE=Bone marrow;
RX   PubMed=16141072; DOI=10.1126/science.1112014;
RA   Carninci P., Kasukawa T., Katayama S., Gough J., Frith M.C., Maeda N.,
RA   Oyama R., Ravasi T., Lenhard B., Wells C., Kodzius R., Shimokawa K.,
RA   Bajic V.B., Brenner S.E., Batalov S., Forrest A.R., Zavolan M., Davis M.J.,
RA   Wilming L.G., Aidinis V., Allen J.E., Ambesi-Impiombato A., Apweiler R.,
RA   Aturaliya R.N., Bailey T.L., Bansal M., Baxter L., Beisel K.W., Bersano T.,
RA   Bono H., Chalk A.M., Chiu K.P., Choudhary V., Christoffels A.,
RA   Clutterbuck D.R., Crowe M.L., Dalla E., Dalrymple B.P., de Bono B.,
RA   Della Gatta G., di Bernardo D., Down T., Engstrom P., Fagiolini M.,
RA   Faulkner G., Fletcher C.F., Fukushima T., Furuno M., Futaki S.,
RA   Gariboldi M., Georgii-Hemming P., Gingeras T.R., Gojobori T., Green R.E.,
RA   Gustincich S., Harbers M., Hayashi Y., Hensch T.K., Hirokawa N., Hill D.,
RA   Huminiecki L., Iacono M., Ikeo K., Iwama A., Ishikawa T., Jakt M.,
RA   Kanapin A., Katoh M., Kawasawa Y., Kelso J., Kitamura H., Kitano H.,
RA   Kollias G., Krishnan S.P., Kruger A., Kummerfeld S.K., Kurochkin I.V.,
RA   Lareau L.F., Lazarevic D., Lipovich L., Liu J., Liuni S., McWilliam S.,
RA   Madan Babu M., Madera M., Marchionni L., Matsuda H., Matsuzawa S., Miki H.,
RA   Mignone F., Miyake S., Morris K., Mottagui-Tabar S., Mulder N., Nakano N.,
RA   Nakauchi H., Ng P., Nilsson R., Nishiguchi S., Nishikawa S., Nori F.,
RA   Ohara O., Okazaki Y., Orlando V., Pang K.C., Pavan W.J., Pavesi G.,
RA   Pesole G., Petrovsky N., Piazza S., Reed J., Reid J.F., Ring B.Z.,
RA   Ringwald M., Rost B., Ruan Y., Salzberg S.L., Sandelin A., Schneider C.,
RA   Schoenbach C., Sekiguchi K., Semple C.A., Seno S., Sessa L., Sheng Y.,
RA   Shibata Y., Shimada H., Shimada K., Silva D., Sinclair B., Sperling S.,
RA   Stupka E., Sugiura K., Sultana R., Takenaka Y., Taki K., Tammoja K.,
RA   Tan S.L., Tang S., Taylor M.S., Tegner J., Teichmann S.A., Ueda H.R.,
RA   van Nimwegen E., Verardo R., Wei C.L., Yagi K., Yamanishi H.,
RA   Zabarovsky E., Zhu S., Zimmer A., Hide W., Bult C., Grimmond S.M.,
RA   Teasdale R.D., Liu E.T., Brusic V., Quackenbush J., Wahlestedt C.,
RA   Mattick J.S., Hume D.A., Kai C., Sasaki D., Tomaru Y., Fukuda S.,
RA   Kanamori-Katayama M., Suzuki M., Aoki J., Arakawa T., Iida J., Imamura K.,
RA   Itoh M., Kato T., Kawaji H., Kawagashira N., Kawashima T., Kojima M.,
RA   Kondo S., Konno H., Nakano K., Ninomiya N., Nishio T., Okada M., Plessy C.,
RA   Shibata K., Shiraki T., Suzuki S., Tagami M., Waki K., Watahiki A.,
RA   Okamura-Oho Y., Suzuki H., Kawai J., Hayashizaki Y.;
RT   "The transcriptional landscape of the mammalian genome.";
RL   Science 309:1559-1563(2005).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
RC   STRAIN=Czech II; TISSUE=Lung;
RX   PubMed=15489334; DOI=10.1101/gr.2596504;
RG   The MGC Project Team;
RT   "The status, quality, and expansion of the NIH full-length cDNA project:
RT   the Mammalian Gene Collection (MGC).";
RL   Genome Res. 14:2121-2127(2004).
RN   [3]
RP   IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
RC   TISSUE=Kidney, and Spleen;
RX   PubMed=21183079; DOI=10.1016/j.cell.2010.12.001;
RA   Huttlin E.L., Jedrychowski M.P., Elias J.E., Goswami T., Rad R.,
RA   Beausoleil S.A., Villen J., Haas W., Sowa M.E., Gygi S.P.;
RT   "A tissue-specific atlas of mouse protein phosphorylation and expression.";
RL   Cell 143:1174-1189(2010).
CC   -!- FUNCTION: General activator of RNA polymerase III transcription. Factor
CC       exclusively required for RNA polymerase III transcription of genes with
CC       promoter elements upstream of the initiation sites. Contributes to the
CC       regulation of gene expression; functions as activator in the absence of
CC       oxidative stress. Down-regulates expression of target genes in response
CC       to oxidative stress. Overexpression protects cells against apoptosis in
CC       response to oxidative stress. {ECO:0000250|UniProtKB:Q9HAW0}.
CC   -!- SUBUNIT: Component of TFIIIB complexes. The TFIIIB complex has two
CC       activities, alpha and beta. The TFIIIB-alpha activity complex is
CC       composed of TBP, BDP1, and a complex containing both BRF2 and at least
CC       four stably associated proteins; this complex inhibits the
CC       transcription by pol III via its phosphorylation by CK2; YY1
CC       facilitates the TFIIIB-alpha complex formation. Interacts with TBP;
CC       this interaction promotes recruitment of BRF2 to TATA box-containing
CC       promoters. Interacts with TBP and the BURE sequence (GC-rich sequence
CC       downstream from the TATA box) to form a strong ternary complex which is
CC       joined by BDP1; this ternary complex stimulates pol III transcription.
CC       Forms a trimeric complex composed of TBP, BRF2 and mini-SNAPc complex
CC       (SNAP43, SNAP50, and the N-terminal third of SNAP190) on the promoter.
CC       Assembly of the TBP-BRF2 complex is stimulated by SNAP190. Interacts
CC       with MAF1 and SNAPC4. {ECO:0000250|UniProtKB:Q9HAW0}.
CC   -!- SUBCELLULAR LOCATION: Nucleus {ECO:0000250|UniProtKB:Q9HAW0}.
CC   -!- PTM: In response to oxidative stress, Cys-362 is reversibly oxidized to
CC       cysteine sulfenic acid. Oxidation of Cys-362 impairs formation of a
CC       ternary complex with TBP and DNA and down-regulates expression of
CC       target genes in response to oxidative stress.
CC       {ECO:0000250|UniProtKB:Q9HAW0}.
CC   -!- SIMILARITY: Belongs to the TFIIB family. {ECO:0000305}.
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DR   EMBL; AK012680; BAB28406.1; -; mRNA.
DR   EMBL; AK028228; BAC25827.1; -; mRNA.
DR   EMBL; AK151198; BAE30195.1; -; mRNA.
DR   EMBL; BC098232; AAH98232.1; -; mRNA.
DR   CCDS; CCDS22211.1; -.
DR   RefSeq; NP_079962.1; NM_025686.2.
DR   AlphaFoldDB; Q3UAW9; -.
DR   SMR; Q3UAW9; -.
DR   STRING; 10090.ENSMUSP00000033877; -.
DR   iPTMnet; Q3UAW9; -.
DR   PhosphoSitePlus; Q3UAW9; -.
DR   PaxDb; Q3UAW9; -.
DR   PRIDE; Q3UAW9; -.
DR   ProteomicsDB; 273702; -.
DR   DNASU; 66653; -.
DR   GeneID; 66653; -.
DR   KEGG; mmu:66653; -.
DR   UCSC; uc009lhy.1; mouse.
DR   CTD; 55290; -.
DR   MGI; MGI:1913903; Brf2.
DR   eggNOG; KOG1598; Eukaryota.
DR   InParanoid; Q3UAW9; -.
DR   OrthoDB; 1518547at2759; -.
DR   PhylomeDB; Q3UAW9; -.
DR   TreeFam; TF331596; -.
DR   Reactome; R-MMU-76071; RNA Polymerase III Transcription Initiation From Type 3 Promoter.
DR   BioGRID-ORCS; 66653; 22 hits in 71 CRISPR screens.
DR   ChiTaRS; Brf2; mouse.
DR   PRO; PR:Q3UAW9; -.
DR   Proteomes; UP000000589; Unplaced.
DR   RNAct; Q3UAW9; protein.
DR   GO; GO:0005634; C:nucleus; IBA:GO_Central.
DR   GO; GO:0000126; C:transcription factor TFIIIB complex; ISS:UniProtKB.
DR   GO; GO:0097550; C:transcription preinitiation complex; IBA:GO_Central.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0001006; F:RNA polymerase III type 3 promoter sequence-specific DNA binding; ISS:UniProtKB.
DR   GO; GO:0017025; F:TBP-class protein binding; IBA:GO_Central.
DR   GO; GO:0034599; P:cellular response to oxidative stress; ISS:UniProtKB.
DR   GO; GO:0006352; P:DNA-templated transcription, initiation; IBA:GO_Central.
DR   GO; GO:0006359; P:regulation of transcription by RNA polymerase III; ISS:UniProtKB.
DR   GO; GO:0070897; P:transcription preinitiation complex assembly; IEA:InterPro.
DR   InterPro; IPR036915; Cyclin-like_sf.
DR   InterPro; IPR000812; TFIIB.
DR   InterPro; IPR013137; Znf_TFIIB.
DR   PANTHER; PTHR11618; PTHR11618; 1.
DR   Pfam; PF08271; TF_Zn_Ribbon; 1.
DR   SUPFAM; SSF47954; SSF47954; 1.
DR   PROSITE; PS51134; ZF_TFIIB; 1.
PE   1: Evidence at protein level;
KW   Activator; Metal-binding; Nucleus; Oxidation; Phosphoprotein;
KW   Reference proteome; Repeat; Transcription; Transcription regulation; Zinc;
KW   Zinc-finger.
FT   CHAIN           1..420
FT                   /note="Transcription factor IIIB 50 kDa subunit"
FT                   /id="PRO_0000337189"
FT   REPEAT          72..157
FT                   /note="1"
FT   REPEAT          173..249
FT                   /note="2"
FT   ZN_FING         3..36
FT                   /note="TFIIB-type"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00469"
FT   REGION          108..114
FT                   /note="Interaction with target DNA"
FT                   /evidence="ECO:0000250|UniProtKB:Q9HAW0"
FT   REGION          316..387
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   REGION          358..364
FT                   /note="Required for the formation of a ternary complex with
FT                   DNA and TBP; not required for interaction with TBP in the
FT                   absence of DNA"
FT                   /evidence="ECO:0000250|UniProtKB:Q9HAW0"
FT   REGION          366..420
FT                   /note="Required for interaction with TBP and formation of a
FT                   ternary complex with DNA and TBP"
FT                   /evidence="ECO:0000250|UniProtKB:Q9HAW0"
FT   COMPBIAS        316..336
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   BINDING         7
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00469"
FT   BINDING         10
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00469"
FT   BINDING         28
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00469"
FT   BINDING         31
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00469"
FT   MOD_RES         354
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0000250|UniProtKB:Q9HAW0"
FT   MOD_RES         362
FT                   /note="Cysteine sulfenic acid (-SOH)"
FT                   /evidence="ECO:0000250|UniProtKB:Q9HAW0"
FT   CONFLICT        352
FT                   /note="R -> P (in Ref. 1; BAB28406/BAC25827 and 2;
FT                   AAH98232)"
FT                   /evidence="ECO:0000305"
SQ   SEQUENCE   420 AA;  47050 MW;  9B1D662EF90302F8 CRC64;
     MPNGSRCPDC GSSELVEDSH YSQSQLVCSD CGCVVTEGVL TTTFSDEGNF REVTYSRSTG
     ENEQVSRCQQ RDLRRVRDLC RILKLPLTFE DTAISYYQKA YQLSGIRAAR LQKKEVLVGC
     CVLITCRQHN WPLTMGTICT LLYADLDLFS GTYMQMVKLL GLDVPSLCLA DLVKSYCSSF
     KLFQASPSVP AKYVEDKDKM LSRTLLLVEL ADETWLVTGR HPLPIITAAT FLAWQSLRPS
     DRLTCSLAQF CKLANVDLPY PAASRLQELL AVLLQMAGQL AWLQVLKLNK RSVVKHIGDL
     LQHRHMLVRT AFRDGTAEVE TQQQQQQQQG QGQGQQDEVG DGPFDLPKRK RRASPTPLLP
     PCMLKPPKRT HTLPPESAVT GDEDISDSEI EQYLRTPQEV RDFERAQAAS QAAMRVPNPP
 
 
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