基本信息：

中文名称：

ActivAbTMKCND2 抗体封闭肽

英文名称：

ActivAbTMKCND2 Antibody Blocking Peptide

别名：

Potassium voltage-gated channel subfamily D member 2,KCD2,KCND 2,KCND2,KCND2_HUMAN,KIAA1044,Potassium voltage gated channel Shal related subfamily member 2,RK 5,RK5,Voltage gated potassium channel Kv4.2,Voltage gated potassium channel subunit Kv4.2,Voltage sensitive potassium channel,voltage-gated potassium channel Kv4.2,Voltage-gated potassium channel subunit Kv4.2,voltage-sensitive potassium channel

外观(性状)：

Lyophilized powder

来源：

Synthetic

储存条件：

Store at -20°C. Avoid freeze / thaw cycles.

规格：

500ug



生物活性：

应用：

Blocking Peptide of K109865P Antibody

纯化方法：

HPLC

背景说明：

Voltage-gated potassium channel that mediates transmembrane potassium transport in excitable membranes, primarily in the brain. Mediates the major part of the dendritic A-type current I(SA) in brain neurons (By similarity). This current is activated at membrane potentials that are below the threshold for action potentials. It regulates neuronal excitability, prolongs the latency before the first in a series of action potentials, regulates the frequency of repetitive action potential firing, shortens the duration of action potentials and regulates the back-propagation of action potentials from the neuronal cell body to the dendrites. Contributes to the regulation of the circadian rhythm of action potential firing in suprachiasmatic nucleus neurons, which regulates the circadian rhythm of locomotor activity (By similarity). Functions downstream of the metabotropic glutamate receptor GRM5 and plays a role in neuronal excitability and in nociception mediated by activation of GRM5 (By similarity). Mediates the transient outward current I(to) in rodent heart left ventricle apex cells, but not in human heart, where this current is mediated by another family member. Forms tetrameric potassium-selective channels through which potassium ions pass in accordance with their electrochemical gradient. The channel alternates between opened and closed conformations in response to the voltage difference across the membrane. Can form functional homotetrameric channels and heterotetrameric channels that contain variable proportions of KCND2 and KCND3; channel properties depend on the type of pore-forming alpha subunits that are part of the channel. In vivo, membranes probably contain a mixture of heteromeric potassium channel complexes. Interaction with specific isoforms of the regulatory subunits KCNIP1, KCNIP2, KCNIP3 or KCNIP4 strongly increases expression at the cell surface and thereby increases channel activity; it modulates the kinetics of channel activation and inactivation, shifts the threshold for channel activation to more negative voltage values, shifts the threshold for inactivation to less negative voltages and accelerates recovery after inactivation. Likewise, interaction with DPP6 or DPP10 promotes expression at the cell membrane and regulates both channel characteristics and activity (By similarity).

生物活性：

Not tested

该产品为 KCND2 抗体的抗原肽，在抗体检测、纯化时作为封闭肽使用，对应抗体货号为：K109865P。
抗体封闭肽是一类专门用于免疫学检测体系的功能性合成多肽，其核心作用是通过特异性结合干扰性抗体或非特异性结合位点，从而降低实验背景信号，提高检测结果的准确性和可靠性。它并不直接识别目标抗原，而是充当一种“分子屏蔽层”，封闭那些可能导致假阳性或假阴性结果的非特异性相互作用。
在功能层面，抗体封闭肽主要具备两大特性。一是高亲和力的特异性中和能力——其氨基酸序列与检测体系中可能引起交叉反应的抗体表位完全相同或高度同源，因此能够优先与这些干扰抗体结合，占据其活性位点。二是物理屏蔽作用，即在不干扰靶标抗原与检测抗体正常识别的前提下，封闭固相载体或捕获分子上的空缺结合区域，减少杂蛋白或杂抗体的非特异性吸附。
在应用层面，抗体封闭肽广泛应用于各类免疫分析技术中，包括酶联免疫吸附测定、蛋白质印迹、免疫组化以及免疫层析试纸条等。在自身抗体检测、生物制剂的免疫原性分析以及多重免疫检测方法开发中，它能够有效消除由异嗜性抗体、抗物种抗体或样本基质效应引起的背景干扰。此外，在基于标签融合蛋白的表达检测以及抗体亲和纯化流程中，封闭肽同样扮演着关键角色，可作为竞争性洗脱剂或信号校正控制组使用。
注意事项：
1.本产品仅供科研使用，请勿用于医药、临床治疗、食品及化收品等用途 。
2.为了您的安全和健康，请穿实验服，口罩，护目镜，并戴一次性手套操作。
3.实验结果可由多种因素影响，相关处理只限于产品本身，不涉及其他赔偿。
4.请勿存放于普通住宅区。

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