BRD4 (bromodomain containing 4)

symbol:
BRD4
locus group:
protein-coding gene
location:
19p13.12
gene_family:
alias symbol:
HUNKI|MCAP|CAP|HUNK1
alias name:
chromosome-associated protein|mito…
entrez id:
23476
ensembl gene id:
ENSG00000141867
ucsc gene id:
uc002nar.4
refseq accession:
NM_058243
hgnc_id:
HGNC:13575
approved reserved:
2000-09-26
19p13.12
基因染色体位置图

BRD4(Bromodomain-containing protein 4)是一种含有溴结构域(bromodomain)的蛋白质,属于BET(Bromo and Extra-Terminal domain)基因家族成员。该家族包括BRD2、BRD3、BRD4和BRDT,它们共同的特点是含有两个溴结构域和一个ET(Extra-Terminal)结构域,能够识别并结合乙酰化的组蛋白(histone acetylation),从而调控基因转录。BRD4在细胞周期调控、炎症反应、细胞分化及癌症发生中起关键作用。它通过结合染色质上的乙酰化标记,招募转录调控复合物(如P-TEFb)到启动子区域,促进RNA聚合酶II的磷酸化,从而激活基因表达。BRD4的突变或异常表达与多种疾病相关,例如在急性髓系白血病(AML)中,BRD4的过表达会导致MYC等致癌基因的持续激活,促进肿瘤生长;而在某些炎症性疾病中,BRD4通过调控NF-κB信号通路加剧炎症反应。若BRD4表达降低,可能影响细胞增殖和分化,导致发育异常或免疫缺陷。相反,过表达BRD4可能引发癌症或自身免疫疾病。BET家族蛋白因其在表观遗传调控中的核心作用,成为抗癌药物(如JQ1、I-BET)的重要靶点,这些抑制剂通过竞争性结合溴结构域,阻断BRD4与乙酰化组蛋白的相互作用,从而抑制肿瘤生长。此外,BRD4还参与病毒感染(如HIV)的潜伏与激活,成为抗病毒治疗的潜在靶标。

The protein encoded by this gene is homologous to the murine protein MCAP, which associates with chromosomes during mitosis, and to the human RING3 protein, a serine/threonine kinase. Each of these proteins contains two bromodomains, a conserved sequence motif which may be involved in chromatin targeting. This gene has been implicated as the chromosome 19 target of translocation t(15;19)(q13;p13.1), which defines an upper respiratory tract carcinoma in young people. Two alternatively spliced transcript variants have been described. [provided by RefSeq, Jul 2008]

由该基因编码的蛋白质是同源的鼠蛋白MCAP,其中有丝分裂期间染色体关联,并且对人的RING3蛋白,丝氨酸/苏氨酸激酶。每个这些蛋白质包含两个布罗莫结构域,其可以参与染色质定位的保守序列基序。这种基因有牵连作为易位t的19号染色体的目标(15; 19)(Q13; p13.1),它定义了在年轻人中的上呼吸道癌。两种可变剪接转录物变体已有描述。 [由RefSeq的,2008年7月提供]

BRD4基因的碱基序列:[NCBI]
Loading Gene Browser...
BRD4基因的碱基突变:           仅显示部分snp
rs1044114       rs2079014       rs2240304       rs2270130       rs2286019       rs3179015       rs3746201       rs3746202       rs3746203       rs3787027       rs3787028       rs3787029       rs3787030       rs4616406       rs4808272       rs4808278       rs4809125      

BRD4基因在不同组织中的表达:    [UniProt]

基因在不同组织中的表达图
正向引物序列
正向Tm值
反向引物序列
反向Tm值
评分
TCCCTCAACTCTATATCTGGAC
58
TTTCCTAGCAGGGACTGTG
59
CTACAACAAGAACGACTCTGG
59
CTACCCATCTCTTCTGGGC
59
ACTCCGAAACAGCTTTCTG
58
CACATCCACCAGAAACCAG
59
CAAGACACTATGGAAACACCAG
59
TATAGTAATCAGGGAGGTTCAGC
59
AAGGAAACCTCAAGCTGAG
57
CACCTAACCTGTTTCGGAG
58
ACAATCAAGTCTAAACTGGAGG
58
GTTGGAGAACATCAATCGGA
58
TCCAAGATGAAGGGCTTCTC
60
TTAGGCAGGACCTGTTTCG
60
CAAGACACTATGGAAACACCAG
59
TATAGTAATCAGGGAGGTTCAGC
59
CAAGACACTATGGAAACACCAG
59
TATAGTAATCAGGGAGGTTCAGC
59
AGCATATCCTTCCCTTGCA
59
AAAGCCTCAGGGATGTGTC
60
转录因子
影响基因
影响类型
参考文献链接(PubMed)
NPM1
BRD4
Unknown

BRD4基因(以及对应的蛋白质)的细胞分布位置:

[UniProt]     [GenomeNet]

" d="M482.414,245.296c3.539,4.293,4.455,10.009,0.202,11 c-4.244,0.996-4.983-10.983-8.293-8.438c-5.271,4.08,9.834,12.271,5.144,17.287c-3.717,3.607-6.172-5.75-10.839-1.976 c-4.673,3.776,6.781,7.299,2.831,11.326c-4.354,4.045-6.979-1.449-9.837-5.517c-1.193-1.742-2.059-3.851-3.595-2.748 c-1.516,1.078-1.854,1.795-0.938,3.666c2.374,4.854,9.235,10.119,5.156,12.535c-5.636,3.346-5.044-8.871-9.426-7.574 c-4.388,1.291,2.557,10.66-1.245,11.141c-4.089,0.545-3.483-10.239-6.979-8.575c-2.522,1.206-0.929,3.071-0.938,4.899 c0.004,1.32-0.964,3.6-2.372,4.062c-3.593,1.171-8.544-1.065-10.251-3.59c-6.04-8.93,0.396-15.997,4.639-7.015 c3.023,4.642,5.182,0.834,2.839-2.219c-1.032-1.354-4.309-5.901-0.781-7.252c2.904-1.113,4.271,1.941,5.985,4.592 c2.61,4.016,5.485,0.117,3.031-3.414c-1.828-2.633-2.74-3.803,3.156-7.42c6.405-4.369,6.52,3.869,10.077,0.646 c2.309-1.832-4.783-5.149,0.06-8.995c2.896-2.293,5.18,6.207,7.961,3.516c3.523-2.737-7.717-7.369,0.117-11.736 C473.413,240.77,480.519,242.891,482.414,245.296z"/> Extracellular space Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi Apparatus Nucleus Mitochondrion 0 1 2 3 4 5 Confidence
  • 质膜
  • 细胞质
  • 细胞外
  • 高尔基体
  • 囊泡
  • 细胞骨架
  • 内质网
  • 细胞核
  • 内体
  • 溶酶体
  • 线粒体

BRD4基因的本体(GO)信息:

GO库代码
对应的蛋白质
来源代码
GO:0000083
O60885 (UniProtKB)
IMP
GO:0000794
O60885 (UniProtKB)
IDA
GO:0002039
O60885 (UniProtKB)
IDA
GO:0003682
O60885 (UniProtKB)
IDA
GO:0003682
O60885 (UniProtKB)
IDA
GO:0003682
O60885 (UniProtKB)
IDA
GO:0003682
O60885 (UniProtKB)
IDA
GO:0005515
O60885 (UniProtKB)
IPI
GO:0005515
O60885 (UniProtKB)
IPI
GO:0005515
O60885 (UniProtKB)
IPI
GO:0005515
O60885 (UniProtKB)
IPI
GO:0005515
O60885 (UniProtKB)
IPI
GO:0005515
O60885 (UniProtKB)
IPI
GO:0005515
O60885 (UniProtKB)
IPI
GO:0005515
O60885 (UniProtKB)
IPI
GO:0005515
O60885 (UniProtKB)
IPI
GO:0005515
O60885 (UniProtKB)
IPI
GO:0005515
O60885 (UniProtKB)
IPI
GO:0005515
O60885 (UniProtKB)
IPI
GO:0005515
O60885 (UniProtKB)
IPI
GO:0005515
O60885 (UniProtKB)
IPI
GO:0005515
O60885 (UniProtKB)
IPI
GO:0005515
O60885 (UniProtKB)
IPI
GO:0005515
O60885 (UniProtKB)
IPI
GO:0005515
O60885 (UniProtKB)
IPI
GO:0005634
O60885 (UniProtKB)
IDA
GO:0005654
O60885 (UniProtKB)
IDA
GO:0005694
O60885 (UniProtKB)
IDA
GO:0005737
O60885 (UniProtKB)
IDA
GO:0006338
O60885 (UniProtKB)
IDA
GO:0006351
O60885 (UniProtKB)
IEA
GO:0006974
O60885 (UniProtKB)
IEA
GO:0006974
O60885 (UniProtKB)
IMP
GO:0010971
O60885 (UniProtKB)
IMP
GO:0016032
O60885 (UniProtKB)
IEA
GO:0016568
O60885 (UniProtKB)
IEA
GO:0032968
O60885 (UniProtKB)
IMP
GO:0032968
O60885 (UniProtKB)
IDA
GO:0032968
O60885 (UniProtKB)
IDA
GO:0043123
O60885 (UniProtKB)
IDA
GO:0045944
O60885 (UniProtKB)
IDA
GO:0045944
O60885 (UniProtKB)
IDA
GO:0050727
O60885 (UniProtKB)
IDA
GO:0070577
O60885 (UniProtKB)
IDA
GO:0070577
O60885 (UniProtKB)
IDA
GO:0070577
O60885 (UniProtKB)
IDA
GO:0070577
O60885 (UniProtKB)
IDA
GO:1901407
O60885 (UniProtKB)
IDA
GO:2000002
O60885 (UniProtKB)
IMP

可能调控 BRD4基因的相关microRNA:     

MINT

BioGrid

IntAct

mentha

String

基因与其他基因之间的相互作用关系图
序号 作用方式 资源库来源/分值 基因名称 基因名称
疾病名称 关系值 NofPmids NofSnps 来源
疾病名称 关系值 NofPmids NofSnps 来源
Osteosarcoma 0.120271442 2 0 BeFree_CTD_human
Medulloblastoma 0.120271442 2 0 BeFree_CTD_human
Polycystic Kidney, Autosomal Dominant 0.12 1 0 CTD_human
Hyperplasia 0.12 1 0 CTD_human
Alopecia 0.12 1 0 CTD_human
Glioblastoma 0.12 1 0 CTD_human
Pulmonary Hypertension 0.12 1 0 CTD_human
Prostatic Neoplasms 0.12 1 0 CTD_human
HIV Infections 0.00434307 16 0 BeFree
Malignant neoplasm of breast 0.002442977 9 0 BeFree

联系方式

山东省济南市章丘区文博路2号 齐鲁师范学院 genelibs生信实验室

山东省济南市高新区舜华路750号大学科技园北区F座4单元2楼

电话: 0531-88819269

E-mail: product@genelibs.com

微信公众号

关注微信订阅号,实时查看信息,关注医学生物学动态。