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一键询价DAP凋亡诱导蛋白激酶2抗体
产品编号 LM10467R
英文名称 DRAK2
中文名称 DAP凋亡诱导蛋白激酶2抗体
别 名 DAP kinase related apoptosis inducing protein; DAP kinase related apoptosis inducing protein kinase 2; Death associated protein kinase related 2; DRAK 2; Serine/threonine kinase 17b (apoptosis inducing); Serine/threonine kinase 17b; Serine/threonine protein kinase 17B; STK17B; ST17B_HUMAN.
研究领域 肿瘤 信号转导 细胞凋亡 转录调节因子 激酶和磷酸酶
抗体来源 Rabbit
克隆类型 Polyclonal
交叉反应 Human, Mouse, Rat, Chicken, Dog, Pig, Cow, Horse, Rabbit, Sheep,
产品应用 ELISA=1:500-1000 IHC-P=1:400-800 IHC-F=1:400-800 ICC=1:100-500 IF=1:100-500 (石蜡切片需做抗原修复)
not yet tested in other applications.
optimal dilutions/concentrations should be determined by the end user.
分 子 量 42kDa
细胞定位 细胞核 细胞浆 细胞膜
性 状 Lyophilized or Liquid
浓 度 1mg/ml
免 疫 原 KLH conjugated synthetic peptide derived from human DRAK2:281-372/372
亚 型 IgG
纯化方法 affinity purified by Protein A
储 存 液 0.01M TBS(pH7.4) with 1% BSA, 0.03% Proclin300 and 50% Glycerol.
保存条件 Store at -20 °C for one year. Avoid repeated freeze/thaw cycles. The lyophilized antibody is stable at room temperature for at least one month and for greater than a year when kept at -20°C. When reconstituted in sterile pH 7.4 0.01M PBS or diluent of antibody the antibody is stable for at least two weeks at 2-4 °C.
PubMed PubMed
产品介绍 Apoptosis is mediated by death domain containing adapter molecules and a caspase family of proteases. Certain serine/threonine protein kinases, such as ASK1 and RIP, are mediators of apoptosis. Two novel serine/threonine kinases that induce apoptosis were recently identified and designated DRAK1 and DRAK2 (for DAP kinase related apoptosis inducing protein kinases). DRAKs contain an N terminal kinase domain and a C terminal regulation domain. Overexpression of DRAK2 induces apoptosis. DRAKs have high sequence homology to DAP and ZIP kinases, and they represent a novel family of serine/threonine kinases, which mediates apoptosis through their catalytic activities. DRAK2 is located in nucleus and the messenger RNA was ubiquitously expressed in human tissues.
抗原抗体结合特点
1)特异性:抗原分子只能与由它刺激所产生的抗体结合而起反应的专一性能;
2)可逆性:是指Ag与相应Ab结合成IC后,在一定条件下可解离为游离抗原与抗体。
3)阶段性:
一阶段:特异性结合阶段 (①反应速度快,几秒钟或几分钟即可完成 ②不出现肉眼可见反应);
第二阶段:可见阶段(表现为凝集、沉淀、补体结合等反应 ①反应进行慢,需要几分钟、几十分钟或更长②受电解质、温度、酸碱度等多种因素影响)。
4)比例性:(最适比或等价点)是指抗原与抗体发生可见反应需遵循一定的量比关系,只有当二者浓度比例适当时,才出现可见反应。
抗原抗体反应影响因素:
(一)反应物自身的因素
5) 抗体:不同来源的抗体,反应性各有差异,抗体的浓度、特异性和亲和力都影响抗体抗原反应,为提高试验的可靠性,应选择高特异性、高亲和力的抗体作诊断试剂.等价带的宽窄也影响抗原抗体复合物的形成,单克隆抗体不适用于沉淀反应.
6) 抗原:抗原的理化性状、分子量、抗原决定簇的种类及数目均可影响反应结果.颗粒性抗原出现凝集反应,可溶性抗原出现沉淀反应,单价抗原与相应抗体结合不出现沉淀现象.
(二)反应环境条件
7) 酸碱度:抗原抗体反应必须在合适的pH环境中进行.蛋白质具有两性电离性质,因此每种蛋白质都有固定的等电点.抗原抗体反应一般在pH6~9进行,有补体参与的反应pH为7.7.4,pH过高或过低都将影响抗原与抗体反应.
8) 温度:在一定范围内,温度升高可加速分子运动,抗原与抗体碰撞机会增多,使反应加速.一般为15℃~40℃,常用的抗原抗体反应温度为37℃,温度如高于56℃,可导致已结合的抗原抗体再解离,甚至变性或破坏.每种试验都有其独特的最适反应温度要求.此外,适当振荡也可促进抗原抗体分子的接触,加速反应.
9) 电解质:抗原与抗体发生特异性结合后,虽由亲水胶体变为疏水胶体,若溶液中无电解质参加,仍不出现可见反应.为了促成沉淀物或凝集物的形成,常用0.85%NaCl或各种缓冲液作为抗原及抗体的稀释液.