TTK (TTK protein kinase)

symbol:
TTK
locus group:
protein-coding gene
location:
6q14.1
gene_family:
alias symbol:
MPS1|MPS1L1|CT96|MPH1
alias name:
cancer/testis antigen 96|monopolar…
entrez id:
7272
ensembl gene id:
ENSG00000112742
ucsc gene id:
uc003pjb.5
refseq accession:
NM_001166691
hgnc_id:
HGNC:12401
approved reserved:
1995-07-11
6q14.1
基因染色体位置图

TTK(也称为MPSK1)是一种丝氨酸/苏氨酸蛋白激酶,属于纺锤体组装检查点(SAC)的核心调控基因家族,该家族在细胞有丝分裂中确保染色体正确分离。TTK通过磷酸化下游靶蛋白(如MAD1、MAD2)激活SAC信号通路,阻止细胞进入后期直至所有染色体与纺锤体正确连接。其表达产物具有高度保守的激酶结构域,依赖ATP催化底物磷酸化。突变可能导致SAC功能缺陷,引发非整倍体(染色体数目异常)和基因组不稳定性,与多种癌症(如乳腺癌、结直肠癌)密切相关。TTK过表达会延长有丝分裂停滞,增加染色体错误分离风险;而低表达则导致SAC失效,加速异常细胞增殖。该基因属于蛋白激酶超家族(原称PKL1家族),成员均含催化激酶结构域并参与细胞周期调控。目前TTK抑制剂(如BAY-1217389)正作为抗癌药物进行临床试验,靶向阻断其激酶活性以诱导肿瘤细胞凋亡。术语解释:纺锤体组装检查点(Spindle Assembly Checkpoint)是防止染色体错误分配的监控机制;非整倍体(Aneuploidy)指细胞染色体数目偏离正常倍性。

This gene encodes a dual specificity protein kinase with the ability to phosphorylate tyrosine, serine and threonine. Associated with cell proliferation, this protein is essential for chromosome alignment at the centromere during mitosis and is required for centrosome duplication. It has been found to be a critical mitotic checkpoint protein for accurate segregation of chromosomes during mitosis. Tumorigenesis may occur when this protein fails to degrade and produces excess centrosomes resulting in aberrant mitotic spindles. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Nov 2009]

该基因编码与磷酸化酪氨酸,丝氨酸和苏氨酸的能力的双重特异性蛋白激酶。与细胞增殖相关,这种蛋白是有丝分裂期间,在着丝粒染色体排列必要和需要中心体复制。它已被发现是有丝分裂期间染色体的精确偏析临界丝分裂检查点的蛋白质。当该蛋白质不能降解并产生导致异常有丝分裂纺锤体过量中心体,可能会发生肿瘤的发生。选择性剪接结果在多个抄本变形。 [由RefSeq的,2009年11月提供]

TTK基因的碱基序列:[NCBI]
Loading Gene Browser...
TTK基因的碱基突变:           仅显示部分snp
rs61794       rs61795       rs61796       rs151587       rs151588       rs151654       rs151655       rs151656       rs151657       rs151658       rs151659       rs151660       rs151661       rs151662       rs151663       rs151664       rs151665      

TTK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
ATTAACCAGAATCCTGCTGC
58
AGTGGTATGTTTCTGCTCTG
57
AATGCAGGCTACATGATGG
58
TTCCCGAGTTATCATGTGC
57
GGGAAATCTAAGTCAAAGATAAGCC
60
GATCTTTCTCTGGAATATCGGGA
59
GTCAAGCAATTGAAGCGCT
59
TCATCTGGCTCTTGAATAGCT
59
GGAAATCTAAGTCAAAGATAAGCCC
60
AGATCTTTCTCTGGAATATCGGG
59
TCTGCTGATACTACAGAATGCA
59
CCAGACACCATTCAAAGTTCTG
59
TAACCAGAATCCTGCTGCA
59
AAGTGGTATGTTTCTGCTCTG
58
AAGCAATTGAAGCGCTTCC
59
ATCATCTGGCTCTTGAATAGCT
59
GGAAATCTAAGTCAAAGATAAGCCC
60
GATCTTTCTCTGGAATATCGGGA
59
TTAACCAGAATCCTGCTGC
57
AGTGGTATGTTTCTGCTCTG
57
转录因子
影响基因
影响类型
参考文献链接(PubMed)
E2F4
TTK
Repression

TTK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

TTK基因的本体(GO)信息:

GO库代码
对应的蛋白质
来源代码
GO:0004712
D6REX1 (UniProtKB)
IEA
GO:0006468
D6REX1 (UniProtKB)
IEA
GO:0007093
D6REX1 (UniProtKB)
IEA
GO:0051304
D6REX1 (UniProtKB)
IEA
GO:0004712
D6RF82 (UniProtKB)
IEA
GO:0006468
D6RF82 (UniProtKB)
IEA
GO:0007093
D6RF82 (UniProtKB)
IEA
GO:0051304
D6RF82 (UniProtKB)
IEA
GO:0004712
D6RFY1 (UniProtKB)
IEA
GO:0006468
D6RFY1 (UniProtKB)
IEA
GO:0007093
D6RFY1 (UniProtKB)
IEA
GO:0051304
D6RFY1 (UniProtKB)
IEA
GO:0004712
D6RIC6 (UniProtKB)
IEA
GO:0006468
D6RIC6 (UniProtKB)
IEA
GO:0007093
D6RIC6 (UniProtKB)
IEA
GO:0051304
D6RIC6 (UniProtKB)
IEA
GO:0004674
P33981 (UniProtKB)
IEA
GO:0004712
P33981 (UniProtKB)
IEA
GO:0004713
P33981 (UniProtKB)
IEA
GO:0005515
P33981 (UniProtKB)
IPI
GO:0005524
P33981 (UniProtKB)
IEA
GO:0005819
P33981 (UniProtKB)
TAS
GO:0007051
P33981 (UniProtKB)
TAS
GO:0007052
P33981 (UniProtKB)
TAS
GO:0007094
P33981 (UniProtKB)
TAS
GO:0008284
P33981 (UniProtKB)
TAS
GO:0010862
P33981 (UniProtKB)
TAS
GO:0016020
P33981 (UniProtKB)
IDA
GO:0018108
P33981 (UniProtKB)
IEA
GO:0051304
P33981 (UniProtKB)
IEA

可能调控 TTK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
IGA Glomerulonephritis 0.12 1 0 CTD_human
Polycystic Ovary Syndrome 0.12 1 0 CTD_human
Malignant neoplasm of breast 0.008458305 7 0 BeFree_GAD
melanoma 0.003538676 3 0 BeFree_LHGDN
Lymphoma 0.00272435 1 0 LHGDN
Colorectal Cancer 0.002367032 1 0 GAD
Carcinogenesis 0.001900093 7 1 BeFree
Pfaundler-Hurler Syndrome 0.001628651 6 0 BeFree
Mucopolysaccharidosis I 0.001357209 5 0 BeFree
Breast Carcinoma 0.001085767 4 0 BeFree

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