製品: QKI Antibody
カタログ: DF12715
タンパク質の説明: Rabbit polyclonal antibody to QKI
アプリケーション: WB IF/ICC
Cited expt.: WB
反応性: Human, Mouse, Rat
予測: Pig, Bovine, Horse, Sheep, Rabbit, Dog, Chicken
分子量: 38 kDa(Observed); 38kD(Calculated).
ユニプロット: Q96PU8
RRID: AB_2845676

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製品説明

ソース:
Rabbit
アプリケーション:
WB 1:500-1:2000, IF/ICC 1:100-1:500
*The optimal dilutions should be determined by the end user. For optimal experimental results, antibody reuse is not recommended.
*Tips:

WB: For western blot detection of denatured protein samples. IHC: For immunohistochemical detection of paraffin sections (IHC-p) or frozen sections (IHC-f) of tissue samples. IF/ICC: For immunofluorescence detection of cell samples. ELISA(peptide): For ELISA detection of antigenic peptide.

反応性:
Human, Mouse, Rat
予測:
Pig(100%), Bovine(%), Horse(%), Sheep(%), Rabbit(%), Dog(%), Chicken(%)
クローナリティ:
Polyclonal
特異性:
QKI Antibody detects endogenous levels of total QKI.
RRID:
AB_2845676
引用形式: Affinity Biosciences Cat# DF12715, RRID:AB_2845676.
コンジュゲート:
Unconjugated.
精製:
The antiserum was purified by peptide affinity chromatography using SulfoLink™ Coupling Resin.
保存:
Rabbit IgG in phosphate buffered saline , pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol. Store at -20 °C. Stable for 12 months from date of receipt.
別名:

折りたたみ/展開

DKFZp586I0923; HKQ; Homolog of mouse quaking QKI KH domain RNA binding protein; Hqk; HQK1; HqkI; OTTHUMP00000017581; OTTHUMP00000017582; OTTHUMP00000017583; Protein quaking; QK; QK1; QK3; QKI; QKI_HUMAN; QKI1; Quaking homolog; Quaking homolog KH domain RNA binding; Quaking homolog KH domain RNA binding mouse; Quaking isoform 1; Quaking protein; RNA binding protein HQK;

免疫原

免疫原:

A synthesized peptide derived from human QKI, corresponding to a region within N-terminal amino acids.

Uniprot:
遺伝子(ID):
発現特異性:
Q96PU8 QKI_HUMAN:

Expressed in the frontal cortex of brain. Down-regulated in the brain of schizophrenic patients.

タンパク質配列:
MVGEMETKEKPKPTPDYLMQLMNDKKLMSSLPNFCGIFNHLERLLDEEISRVRKDMYNDTLNGSTEKRSAELPDAVGPIVQLQEKLYVPVKEYPDFNFVGRILGPRGLTAKQLEAETGCKIMVRGKGSMRDKKKEEQNRGKPNWEHLNEDLHVLITVEDAQNRAEIKLKRAVEEVKKLLVPAAEGEDSLKKMQLMELAILNGTYRDANIKSPALAFSLAATAQAAPRIITGPAPVLPPAALRTPTPAGPTIMPLIRQIQTAVMPNGTPHPTAAIVPPGPEAGLIYTPYEYPYTLAPATSILEYPIEPSGVLGAVATKVRRHDMRVHPYQRIVTADRAATGN

種類予測

種類予測:

Score>80(red) has high confidence and is suggested to be used for WB detection. *The prediction model is mainly based on the alignment of immunogen sequences, the results are for reference only, not as the basis of quality assurance.

Species
Results
Score
Pig
100
Horse
100
Bovine
100
Sheep
100
Dog
100
Chicken
100
Rabbit
100
Xenopus
77
Zebrafish
0
Model Confidence:
High(score>80) Medium(80>score>50) Low(score<50) No confidence

研究背景

機能:

RNA-binding protein that plays a central role in myelinization. Binds to the 5'-NACUAAY-N(1,20)-UAAY-3' RNA core sequence. Regulates target mRNA stability. In addition, acts by regulating pre-mRNA splicing, mRNA export and protein translation. Required to protect and promote stability of mRNAs such as MBP and CDKN1B. Regulator of oligodendrocyte differentiation and maturation in the brain that may play a role in myelin and oligodendrocyte dysfunction in schizophrenia. Participates in mRNA transport by regulating the nuclear export of MBP mRNA. Also involved in regulation of mRNA splicing of MAG pre-mRNA. Acts as a translational repressor (By similarity).

PTMs:

Methylated by PRMT1.

Tyrosine phosphorylated at its C-terminus, probably by FYN. Phosphorylation leads to decreased mRNA-binding affinity, affecting transport and/or stabilization of MBP mRNA (By similarity).

細胞の位置付け:

Nucleus. Cytoplasm.

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionSubcellular location
組織特異性:

Expressed in the frontal cortex of brain. Down-regulated in the brain of schizophrenic patients.

タンパク質ファミリー:

The KH domain and the Qua2 region are involved in RNA binding.

参考文献

1). YY1 complex promotes Quaking expression via super-enhancer binding during EMT of hepatocellular carcinoma. CANCER RESEARCH, 2019 (PubMed: 30760518) [IF=12.5]

Application: WB    Species: human    Sample: PLC-PRF-5 cells

Fig. 2 |YY1 enhances QKI gene transcription and translation through the formation of a complex with p65 and p300. (g) QKI expression measured through Western blot analysis in PLC-PRF-5 cells transfected with YY1 or p65 alone or co-transfected with QKI siRNA.

2). Circular RNA Circ_0001322 inhibits gastric cancer progression by modulating the miR-1264/QKI axis and suppressing the Hedgehog pathway. Cellular and molecular biology (Noisy-le-Grand, France), 2024 (PubMed: 38814217) [IF=1.5]

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