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phospho-CTNNA1 (Ser641) Rabbit pAb (bs-5280R)  
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產品編號 bs-5280R
英文名稱 phospho-CTNNA1 (Ser641) Rabbit pAb
中文名稱 磷酸化α-連環蛋白抗體
別    名 p-CTNNA1(Ser641); CTNNA1(phospho-Ser641); CTNNA1(phospho-S641); alpha 1 Catenin(phospho S641); alpha catenin; alpha E catenin; alphaE catenin; Cadherin associated protein 102kDa; Cadherin associated protein; CAP 102; CAP102; Catenin(cadherin associated protein) alpha 1 102kDa; Catenin alpha 1; CTNNA 1; CTNNA1; alpha-cats; FLJ36832; NY REN 13 antigen; CTNA1_HUMAN.  Catenin α; Catenin-α; Catenin-α1; Catenin α1; α Catenin; 鈣粘蛋白相關蛋白;
產品類型 磷酸化抗體 
研究領域 腫瘤  細胞生物  免疫學  信號轉導  干細胞  細胞粘附分子  細胞骨架  
抗體來源 Rabbit
克隆類型 Polyclonal
克 隆 號
交叉反應 Human,Mouse (predicted: Rat,Rabbit,Pig,Sheep,Cow,Chicken,Dog,Horse)
產品應用 IHC-P=1:100-500,IHC-F=1:100-500,IF=1:100-500
not yet tested in other applications.
optimal dilutions/concentrations should be determined by the end user.
理論分子量 100 kDa
檢測分子量
細胞定位 細胞漿 細胞膜 
性    狀 Liquid
濃    度 1mg/ml
免 疫 原 KLH conjugated Synthesised phosphopeptide derived from human CTNNA1 around the phosphorylation site of Ser641: DD(p-S)DF 
亞    型 IgG
純化方法 affinity purified by Protein A
緩 沖 液 0.01M TBS (pH7.4) with 1% BSA, 0.02% Proclin300 and 50% Glycerol.
保存條件 Shipped at 4℃. Store at -20℃ for one year. Avoid repeated freeze/thaw cycles.
注意事項 This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications.
PubMed PubMed
產品介紹 The distinct peripheral cytosolic proteins, alpha, beta and gamma-catenin (102, 94 and 86 kDa) found in many tissues bind to the conserved cytoplasmic tail domain of the cell-adhesion cadherins. Catenins link E-cadherin to other integral membrane or cytoplasmic proteins and are modulated by Wnt-1 proto-oncogene. They are good candidates for mediating transduction of cell-cell contact positional signals to the cell interior. Absence of alpha-catenin is found in certain tumor cell lines and reduced levels in certain human carcinomas. Beta-catenin binds directly to the cytoplasmic tail of E-cadherin. It binds to the N-terminus of alpha-catenin and interacts with the protein product of the tumor suppressor gene APC. This interaction involves a 15-aa repeat in the APC. Beta-catenin cell levels seem to be controlled by APC. The central core region of beta-catenin is involved in mediation of cadherin-catenin complex interaction with EGFR.

Function:
Associates with the cytoplasmic domain of a variety of cadherins. The association of catenins to cadherins produces a complex which is linked to the actin filament network, and which seems to be of primary importance for cadherins cell-adhesion properties. Can associate with both E- and N-cadherins. Originally believed to be a stable component of E-cadherin/catenin adhesion complexes and to mediate the linkage of cadherins to the actin cytoskeleton at adherens junctions. In contrast, cortical actin was found to be much more dynamic than E-cadherin/catenin complexes and CTNNA1 was shown not to bind to F-actin when assembled in the complex suggesting a different linkage between actin and adherens junctions components. The homodimeric form may regulate actin filament assembly and inhibit actin branching by competing with the Arp2/3 complex for binding to actin filaments. May play a crucial role in cell differentiation.

Subunit:
Monomer and homodimer; the monomer preferentially binds to CTNNB1 and the homodimer to actin. Binds MLLT4 and F-actin. Possible component of an E-cadherin/ catenin adhesion complex together with E-cadherin/CDH1 and beta-catenin/CTNNB1 or gamma-catenin/JUP; the complex is located to adherens junctions. The stable association of CTNNA1 is controversial as CTNNA1 was shown not to bind to F-actin when assembled in the complex. Alternatively, the CTNNA1-containing complex may be linked to F-actin by other proteins such as LIMA1. Interacts with ARHGAP21 and with AJUBA. Interacts with LIMA1.

Subcellular Location:
Cytoplasm, cytoskeleton. Cell junction, adherens junction. Cell membrane; Peripheral membrane protein; Cytoplasmic side. Cell junction. Note=Found at cell-cell boundaries and probably at cell-matrix boundaries.

Tissue Specificity:
Expressed ubiquitously in normal tissues.

Post-translational modifications:
Sumoylated.

Similarity:
Belongs to the vinculin/alpha-catenin family.

SWISS:
P35221

Gene ID:
1495

Database links:

Entrez Gene: 1495 Human

Entrez Gene: 12385 Mouse

Entrez Gene: 307505 Rat

Omim: 116805 Human

SwissProt: P35221 Human

SwissProt: P26231 Mouse



α-catenin是一種多功能的蛋白質,能鏈接E-\N-\P-鈣粘附分子,具有參與細胞粘附和介導信號轉導的雙重功能,并與腫瘤的發生發展及浸潤密切相關。 在正常個體中,βα-catenin和鈣黏蛋白形成復合體,介導同型細胞的粘附,維持細胞的穩定;同時,α-catenin作為Wnt/α-catenin信號通路的關鍵成員在介導信號轉導過程中調控細胞的增殖和凋亡。 在惡性腫瘤中,α-catenin的表達呈現明顯的異質性,促使細胞異常增殖,還可使細胞之間的黏附性減弱,侵襲性增強。
產品圖片
Paraformaldehyde-fixed, paraffin embedded (mouse brain tissue); Antigen retrieval by boiling in sodium citrate buffer (pH6.0) for 15min; Block endogenous peroxidase by 3% hydrogen peroxide for 20 minutes; Blocking buffer (normal goat serum) at 37°C for 30min; Antibody incubation with (CTNNA1 (Ser641)) Polyclonal Antibody, Unconjugated (bs-5280R) at 1:400 overnight at 4°C, followed by operating according to SP Kit(Rabbit) (sp-0023) instructionsand DAB staining.
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