ID BEX1_HUMAN Reviewed; 125 AA. AC Q9HBH7; A0AVN1; A8K4J3; Q9NZ33; DT 04-APR-2006, integrated into UniProtKB/Swiss-Prot. DT 04-APR-2006, sequence version 2. DT 24-JAN-2024, entry version 142. DE RecName: Full=Protein BEX1; DE AltName: Full=Brain-expressed X-linked protein 1; GN Name=BEX1; OS Homo sapiens (Human). OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; OC Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; OC Homo. OX NCBI_TaxID=9606; RN [1] RP NUCLEOTIDE SEQUENCE [MRNA], AND TISSUE SPECIFICITY. RC TISSUE=Fetal brain; RX PubMed=11989783; DOI=10.1023/a:1014565320998; RA Yang Q.-S., Xia F., Gu S.-H., Yuan H.-L., Chen J.-Z., Yang Q.-S., Ying K., RA Xie Y., Mao Y.-M.; RT "Cloning and expression pattern of a spermatogenesis-related gene, BEX1, RT mapped to chromosome Xq22."; RL Biochem. Genet. 40:1-12(2002). RN [2] RP NUCLEOTIDE SEQUENCE [MRNA], AND TISSUE SPECIFICITY. RX PubMed=15958283; DOI=10.1016/j.gene.2005.05.012; RA Alvarez E., Zhou W., Witta S.E., Freed C.R.; RT "Characterization of the Bex gene family in humans, mice, and rats."; RL Gene 357:18-28(2005). RN [3] RP NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA]. RC TISSUE=Adrenal gland, and Hypothalamus; RX PubMed=10931946; DOI=10.1073/pnas.160270997; RA Hu R.-M., Han Z.-G., Song H.-D., Peng Y.-D., Huang Q.-H., Ren S.-X., RA Gu Y.-J., Huang C.-H., Li Y.-B., Jiang C.-L., Fu G., Zhang Q.-H., Gu B.-W., RA Dai M., Mao Y.-F., Gao G.-F., Rong R., Ye M., Zhou J., Xu S.-H., Gu J., RA Shi J.-X., Jin W.-R., Zhang C.-K., Wu T.-M., Huang G.-Y., Chen Z., RA Chen M.-D., Chen J.-L.; RT "Gene expression profiling in the human hypothalamus-pituitary-adrenal axis RT and full-length cDNA cloning."; RL Proc. Natl. Acad. Sci. U.S.A. 97:9543-9548(2000). RN [4] RP NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA]. RX PubMed=14702039; DOI=10.1038/ng1285; RA Ota T., Suzuki Y., Nishikawa T., Otsuki T., Sugiyama T., Irie R., RA Wakamatsu A., Hayashi K., Sato H., Nagai K., Kimura K., Makita H., RA Sekine M., Obayashi M., Nishi T., Shibahara T., Tanaka T., Ishii S., RA Yamamoto J., Saito K., Kawai Y., Isono Y., Nakamura Y., Nagahari K., RA Murakami K., Yasuda T., Iwayanagi T., Wagatsuma M., Shiratori A., Sudo H., RA Hosoiri T., Kaku Y., Kodaira H., Kondo H., Sugawara M., Takahashi M., RA Kanda K., Yokoi T., Furuya T., Kikkawa E., Omura Y., Abe K., Kamihara K., RA Katsuta N., Sato K., Tanikawa M., Yamazaki M., Ninomiya K., Ishibashi T., RA Yamashita H., Murakawa K., Fujimori K., Tanai H., Kimata M., Watanabe M., RA Hiraoka S., Chiba Y., Ishida S., Ono Y., Takiguchi S., Watanabe S., RA Yosida M., Hotuta T., Kusano J., Kanehori K., Takahashi-Fujii A., Hara H., RA Tanase T.-O., Nomura Y., Togiya S., Komai F., Hara R., Takeuchi K., RA Arita M., Imose N., Musashino K., Yuuki H., Oshima A., Sasaki N., RA Aotsuka S., Yoshikawa Y., Matsunawa H., Ichihara T., Shiohata N., Sano S., RA Moriya S., Momiyama H., Satoh N., Takami S., Terashima Y., Suzuki O., RA Nakagawa S., Senoh A., Mizoguchi H., Goto Y., Shimizu F., Wakebe H., RA Hishigaki H., Watanabe T., Sugiyama A., Takemoto M., Kawakami B., RA Yamazaki M., Watanabe K., Kumagai A., Itakura S., Fukuzumi Y., Fujimori Y., RA Komiyama M., Tashiro H., Tanigami A., Fujiwara T., Ono T., Yamada K., RA Fujii Y., Ozaki K., Hirao M., Ohmori Y., Kawabata A., Hikiji T., RA Kobatake N., Inagaki H., Ikema Y., Okamoto S., Okitani R., Kawakami T., RA Noguchi S., Itoh T., Shigeta K., Senba T., Matsumura K., Nakajima Y., RA Mizuno T., Morinaga M., Sasaki M., Togashi T., Oyama M., Hata H., RA Watanabe M., Komatsu T., Mizushima-Sugano J., Satoh T., Shirai Y., RA Takahashi Y., Nakagawa K., Okumura K., Nagase T., Nomura N., Kikuchi H., RA Masuho Y., Yamashita R., Nakai K., Yada T., Nakamura Y., Ohara O., RA Isogai T., Sugano S.; RT "Complete sequencing and characterization of 21,243 full-length human RT cDNAs."; RL Nat. Genet. 36:40-45(2004). RN [5] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RX PubMed=15772651; DOI=10.1038/nature03440; RA Ross M.T., Grafham D.V., Coffey A.J., Scherer S., McLay K., Muzny D., RA Platzer M., Howell G.R., Burrows C., Bird C.P., Frankish A., Lovell F.L., RA Howe K.L., Ashurst J.L., Fulton R.S., Sudbrak R., Wen G., Jones M.C., RA Hurles M.E., Andrews T.D., Scott C.E., Searle S., Ramser J., Whittaker A., RA Deadman R., Carter N.P., Hunt S.E., Chen R., Cree A., Gunaratne P., RA Havlak P., Hodgson A., Metzker M.L., Richards S., Scott G., Steffen D., RA Sodergren E., Wheeler D.A., Worley K.C., Ainscough R., Ambrose K.D., RA Ansari-Lari M.A., Aradhya S., Ashwell R.I., Babbage A.K., Bagguley C.L., RA Ballabio A., Banerjee R., Barker G.E., Barlow K.F., Barrett I.P., RA Bates K.N., Beare D.M., Beasley H., Beasley O., Beck A., Bethel G., RA Blechschmidt K., Brady N., Bray-Allen S., Bridgeman A.M., Brown A.J., RA Brown M.J., Bonnin D., Bruford E.A., Buhay C., Burch P., Burford D., RA Burgess J., Burrill W., Burton J., Bye J.M., Carder C., Carrel L., RA Chako J., Chapman J.C., Chavez D., Chen E., Chen G., Chen Y., Chen Z., RA Chinault C., Ciccodicola A., Clark S.Y., Clarke G., Clee C.M., Clegg S., RA Clerc-Blankenburg K., Clifford K., Cobley V., Cole C.G., Conquer J.S., RA Corby N., Connor R.E., David R., Davies J., Davis C., Davis J., Delgado O., RA Deshazo D., Dhami P., Ding Y., Dinh H., Dodsworth S., Draper H., RA Dugan-Rocha S., Dunham A., Dunn M., Durbin K.J., Dutta I., Eades T., RA Ellwood M., Emery-Cohen A., Errington H., Evans K.L., Faulkner L., RA Francis F., Frankland J., Fraser A.E., Galgoczy P., Gilbert J., Gill R., RA Gloeckner G., Gregory S.G., Gribble S., Griffiths C., Grocock R., Gu Y., RA Gwilliam R., Hamilton C., Hart E.A., Hawes A., Heath P.D., Heitmann K., RA Hennig S., Hernandez J., Hinzmann B., Ho S., Hoffs M., Howden P.J., RA Huckle E.J., Hume J., Hunt P.J., Hunt A.R., Isherwood J., Jacob L., RA Johnson D., Jones S., de Jong P.J., Joseph S.S., Keenan S., Kelly S., RA Kershaw J.K., Khan Z., Kioschis P., Klages S., Knights A.J., Kosiura A., RA Kovar-Smith C., Laird G.K., Langford C., Lawlor S., Leversha M., Lewis L., RA Liu W., Lloyd C., Lloyd D.M., Loulseged H., Loveland J.E., Lovell J.D., RA Lozado R., Lu J., Lyne R., Ma J., Maheshwari M., Matthews L.H., RA McDowall J., McLaren S., McMurray A., Meidl P., Meitinger T., Milne S., RA Miner G., Mistry S.L., Morgan M., Morris S., Mueller I., Mullikin J.C., RA Nguyen N., Nordsiek G., Nyakatura G., O'dell C.N., Okwuonu G., Palmer S., RA Pandian R., Parker D., Parrish J., Pasternak S., Patel D., Pearce A.V., RA Pearson D.M., Pelan S.E., Perez L., Porter K.M., Ramsey Y., Reichwald K., RA Rhodes S., Ridler K.A., Schlessinger D., Schueler M.G., Sehra H.K., RA Shaw-Smith C., Shen H., Sheridan E.M., Shownkeen R., Skuce C.D., RA Smith M.L., Sotheran E.C., Steingruber H.E., Steward C.A., Storey R., RA Swann R.M., Swarbreck D., Tabor P.E., Taudien S., Taylor T., Teague B., RA Thomas K., Thorpe A., Timms K., Tracey A., Trevanion S., Tromans A.C., RA d'Urso M., Verduzco D., Villasana D., Waldron L., Wall M., Wang Q., RA Warren J., Warry G.L., Wei X., West A., Whitehead S.L., Whiteley M.N., RA Wilkinson J.E., Willey D.L., Williams G., Williams L., Williamson A., RA Williamson H., Wilming L., Woodmansey R.L., Wray P.W., Yen J., Zhang J., RA Zhou J., Zoghbi H., Zorilla S., Buck D., Reinhardt R., Poustka A., RA Rosenthal A., Lehrach H., Meindl A., Minx P.J., Hillier L.W., Willard H.F., RA Wilson R.K., Waterston R.H., Rice C.M., Vaudin M., Coulson A., Nelson D.L., RA Weinstock G., Sulston J.E., Durbin R.M., Hubbard T., Gibbs R.A., Beck S., RA Rogers J., Bentley D.R.; RT "The DNA sequence of the human X chromosome."; RL Nature 434:325-337(2005). RN [6] RP NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA]. RC TISSUE=Brain; 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 [7] RP TISSUE SPECIFICITY. RX PubMed=15920485; DOI=10.1038/sj.leu.2403820; RA Quentmeier H., Tonelli R., Geffers R., Pession A., Uphoff C.C., RA Drexler H.G.; RT "Expression of BEX1 in acute myeloid leukemia with MLL rearrangements."; RL Leukemia 19:1488-1489(2005). CC -!- FUNCTION: Signaling adapter molecule involved in p75NTR/NGFR signaling. CC Plays a role in cell cycle progression and neuronal differentiation. CC Inhibits neuronal differentiation in response to nerve growth factor CC (NGF). May act as a link between the cell cycle and neurotrophic factor CC signaling, possibly by functioning as an upstream modulator of receptor CC signaling, coordinating biological responses to external signals with CC internal cellular states (By similarity). In absence of reductive CC stress, acts as a pseudosubstrate for the CRL2(FEM1B) complex: CC associates with FEM1B via zinc, thereby preventing association between CC FEM1B and its substrates (By similarity). CC {ECO:0000250|UniProtKB:Q3MKQ2, ECO:0000250|UniProtKB:Q9R224}. CC -!- SUBUNIT: Interacts with neurotrophin receptor p75NTR/NGFR (By CC similarity). Interacts with OMP (By similarity). CC {ECO:0000250|UniProtKB:Q3MKQ2, ECO:0000250|UniProtKB:Q9R224}. CC -!- INTERACTION: CC Q9HBH7; Q9NZN8: CNOT2; NbExp=3; IntAct=EBI-7162175, EBI-743033; CC Q9HBH7; P78358: CTAG1B; NbExp=5; IntAct=EBI-7162175, EBI-1188472; CC Q9HBH7; A8MQ03: CYSRT1; NbExp=3; IntAct=EBI-7162175, EBI-3867333; CC Q9HBH7; Q9BS75: KLHL20; NbExp=3; IntAct=EBI-7162175, EBI-10693436; CC Q9HBH7; Q15323: KRT31; NbExp=3; IntAct=EBI-7162175, EBI-948001; CC Q9HBH7; O76011: KRT34; NbExp=3; IntAct=EBI-7162175, EBI-1047093; CC Q9HBH7; P43356: MAGEA2B; NbExp=3; IntAct=EBI-7162175, EBI-5650739; CC Q9HBH7; Q99750: MDFI; NbExp=6; IntAct=EBI-7162175, EBI-724076; CC Q9HBH7; Q6FHY5: MEOX2; NbExp=3; IntAct=EBI-7162175, EBI-16439278; CC Q9HBH7; Q5XKR4: OTP; NbExp=3; IntAct=EBI-7162175, EBI-12865884; CC Q9HBH7; Q9NRD5: PICK1; NbExp=3; IntAct=EBI-7162175, EBI-79165; CC Q9HBH7; Q8IYF3: TEX11; NbExp=3; IntAct=EBI-7162175, EBI-742397; CC -!- SUBCELLULAR LOCATION: Nucleus {ECO:0000250|UniProtKB:Q3MKQ2}. Cytoplasm CC {ECO:0000250|UniProtKB:Q3MKQ2}. Note=Shuttles between the cytoplasm and CC the nucleus. Predominantly nuclear. {ECO:0000250|UniProtKB:Q3MKQ2}. CC -!- TISSUE SPECIFICITY: Expressed in central nervous system, with high CC level in pituitary, cerebellum and temporal lobe. Expressed in lung, CC skeletal muscle, peripheral blood leukocyte, stomach, lymph node, CC trachea and bone marrow. Highly expressed in acute myeloid leukemia. CC {ECO:0000269|PubMed:11989783, ECO:0000269|PubMed:15920485, CC ECO:0000269|PubMed:15958283}. CC -!- DOMAIN: The histidine cluster (His cluster) and Cys-122 mediate zinc- CC binding. {ECO:0000250|UniProtKB:Q9WTZ9}. CC -!- PTM: Phosphorylated. Phosphorylation of Ser-102 protects it from the CC proteasome. {ECO:0000250|UniProtKB:Q3MKQ2}. CC -!- PTM: Ubiquitinated. Degraded by the proteasome. CC {ECO:0000250|UniProtKB:Q3MKQ2}. CC -!- SIMILARITY: Belongs to the BEX family. {ECO:0000305}. CC -!- CAUTION: Was named BEX2 by some authors. {ECO:0000305}. CC -!- WEB RESOURCE: Name=Atlas of Genetics and Cytogenetics in Oncology and CC Haematology; CC URL="https://atlasgeneticsoncology.org/gene/44161/bex1-(brain-expressed-x-linked-1)"; CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; AF237783; AAG09752.1; -; mRNA. DR EMBL; AY833561; AAX40679.1; -; mRNA. DR EMBL; AF183416; AAG09685.1; -; mRNA. DR EMBL; AF220189; AAF67654.1; -; mRNA. DR EMBL; AK290958; BAF83647.1; -; mRNA. DR EMBL; AL008708; -; NOT_ANNOTATED_CDS; Genomic_DNA. DR EMBL; BC126427; AAI26428.1; -; mRNA. DR EMBL; BC126429; AAI26430.1; -; mRNA. DR CCDS; CCDS35354.1; -. DR RefSeq; NP_060946.3; NM_018476.3. DR AlphaFoldDB; Q9HBH7; -. DR BioGRID; 120961; 53. DR IntAct; Q9HBH7; 25. DR MINT; Q9HBH7; -. DR STRING; 9606.ENSP00000361813; -. DR iPTMnet; Q9HBH7; -. DR PhosphoSitePlus; Q9HBH7; -. DR BioMuta; BEX1; -. DR DMDM; 91208332; -. DR MassIVE; Q9HBH7; -. DR PaxDb; 9606-ENSP00000361813; -. DR PeptideAtlas; Q9HBH7; -. DR ProteomicsDB; 81553; -. DR Antibodypedia; 28967; 159 antibodies from 21 providers. DR DNASU; 55859; -. DR Ensembl; ENST00000372728.4; ENSP00000361813.3; ENSG00000133169.6. DR GeneID; 55859; -. DR KEGG; hsa:55859; -. DR MANE-Select; ENST00000372728.4; ENSP00000361813.3; NM_018476.4; NP_060946.3. DR UCSC; uc004ejt.2; human. DR AGR; HGNC:1036; -. DR CTD; 55859; -. DR DisGeNET; 55859; -. DR GeneCards; BEX1; -. DR HGNC; HGNC:1036; BEX1. DR HPA; ENSG00000133169; Tissue enhanced (brain, pituitary gland). DR MIM; 300690; gene. DR neXtProt; NX_Q9HBH7; -. DR OpenTargets; ENSG00000133169; -. DR PharmGKB; PA25340; -. DR VEuPathDB; HostDB:ENSG00000133169; -. DR eggNOG; ENOG502RW3Y; Eukaryota. DR GeneTree; ENSGT00940000153412; -. DR HOGENOM; CLU_123122_1_0_1; -. DR InParanoid; Q9HBH7; -. DR OMA; GKPQARM; -. DR OrthoDB; 5261636at2759; -. DR PhylomeDB; Q9HBH7; -. DR TreeFam; TF337909; -. DR PathwayCommons; Q9HBH7; -. DR SignaLink; Q9HBH7; -. DR SIGNOR; Q9HBH7; -. DR BioGRID-ORCS; 55859; 11 hits in 773 CRISPR screens. DR ChiTaRS; BEX1; human. DR GeneWiki; BEX1; -. DR GenomeRNAi; 55859; -. DR Pharos; Q9HBH7; Tbio. DR PRO; PR:Q9HBH7; -. DR Proteomes; UP000005640; Chromosome X. DR RNAct; Q9HBH7; Protein. DR Bgee; ENSG00000133169; Expressed in endothelial cell and 171 other cell types or tissues. DR GO; GO:0005737; C:cytoplasm; IBA:GO_Central. DR GO; GO:0005634; C:nucleus; IBA:GO_Central. DR GO; GO:0005667; C:transcription regulator complex; IDA:BHF-UCL. DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW. DR GO; GO:0140678; F:molecular function inhibitor activity; ISS:UniProtKB. DR GO; GO:0061629; F:RNA polymerase II-specific DNA-binding transcription factor binding; IPI:BHF-UCL. DR GO; GO:0005102; F:signaling receptor binding; IBA:GO_Central. DR GO; GO:0030154; P:cell differentiation; IEA:UniProtKB-KW. DR GO; GO:0031397; P:negative regulation of protein ubiquitination; ISS:UniProtKB. DR GO; GO:0007399; P:nervous system development; IEA:UniProtKB-KW. DR GO; GO:0051091; P:positive regulation of DNA-binding transcription factor activity; IDA:BHF-UCL. DR GO; GO:0045944; P:positive regulation of transcription by RNA polymerase II; IDA:BHF-UCL. DR GO; GO:0007165; P:signal transduction; IBA:GO_Central. DR InterPro; IPR007623; BEX. DR InterPro; IPR021156; TF_A-like/BEX. DR PANTHER; PTHR19430:SF3; PROTEIN BEX1; 1. DR PANTHER; PTHR19430; PROTEIN BEX1-RELATED; 1. DR Pfam; PF04538; BEX; 1. DR PIRSF; PIRSF008633; BEX; 1. DR Genevisible; Q9HBH7; HS. PE 1: Evidence at protein level; KW Cytoplasm; Developmental protein; Differentiation; Metal-binding; KW Neurogenesis; Nucleus; Phosphoprotein; Reference proteome; Ubl conjugation; KW Zinc. FT CHAIN 1..125 FT /note="Protein BEX1" FT /id="PRO_0000229772" FT REGION 1..33 FT /note="Disordered" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT REGION 104..125 FT /note="Disordered" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT REGION 114..118 FT /note="His cluster" FT /evidence="ECO:0000250|UniProtKB:Q9WTZ9" FT BINDING 122 FT /ligand="Zn(2+)" FT /ligand_id="ChEBI:CHEBI:29105" FT /ligand_note="ligand shared with FEM1B" FT /evidence="ECO:0000250|UniProtKB:Q9WTZ9" FT MOD_RES 102 FT /note="Phosphoserine" FT /evidence="ECO:0000250|UniProtKB:Q3MKQ2" FT VARIANT 9 FT /note="V -> L (in dbSNP:rs3174500)" FT /id="VAR_042667" FT VARIANT 11 FT /note="S -> N (in dbSNP:rs1045058)" FT /id="VAR_042668" FT VARIANT 13 FT /note="S -> I (in dbSNP:rs1045061)" FT /id="VAR_042669" FT VARIANT 14 FT /note="M -> V (in dbSNP:rs1045063)" FT /id="VAR_042670" FT VARIANT 17 FT /note="A -> V (in dbSNP:rs1045065)" FT /id="VAR_042671" FT VARIANT 40 FT /note="A -> V (in dbSNP:rs709036)" FT /id="VAR_025756" FT VARIANT 66 FT /note="M -> I (in dbSNP:rs1045082)" FT /id="VAR_025757" FT CONFLICT 7 FT /note="R -> L (in Ref. 1; AAG09752)" FT /evidence="ECO:0000305" FT CONFLICT 88 FT /note="E -> G (in Ref. 1; AAG09752)" FT /evidence="ECO:0000305" FT CONFLICT 100 FT /note="Q -> R (in Ref. 4; BAF83647)" FT /evidence="ECO:0000305" SQ SEQUENCE 125 AA; 14860 MW; 2406DD71F7E663D2 CRC64; MESKEKRAVN SLSMENANQE NEEKEQVANK GEPLALPLDA GEYCVPRGNR RRFRVRQPIL QYRWDMMHRL GEPQARMREE NMERIGEEVR QLMEKLREKQ LSHSLRAVST DPPHHDHHDE FCLMP //