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产品信息
PEP-281
产品规格
分类
Synthetic
类型
Peptide
偶联物
形式
Lyophilized
浓度
0.5 mg/mL
保存条件
-20° C, Avoid Freeze/Thaw Cycles
运输条件
Wet ice
产品详细信息
PEP-281 is a 14 amino acid synthetic peptide whose sequence is derived from human beta-arrestin2 protein. The sequence of this peptide is (amino to carboxy terminus): C-D (384)-D-I-V-F-E-D-F-A-R-L-R-L-K (397)
This peptide may be used for neutralization and control experiments with the polyclonal antibody that reacts with this product, Arrestin (pan), catalog # PA1-732. Using a solution of peptide of equal volume and concentration to the corresponding antibody will yield a large molar excess of peptide (~70-fold) for competitive inhibition of antibody-protein binding reactions.
Reconstitute with 0.1 mL of distilled water.
靶标信息
Beta-arrestin-2, or ARRB2, is an adaptor protein belonging to the arrestin family with an N- arrestin domain and a C- arrestin domain. ARRB2 is a regulatory protein involved in heterotrimeric G protein-coupled receptor desensitization and is known to regulate beta2-adrenergic receptor (beta2AR) function by enhancing beta2AR mediated nuclear translocation of ERK. ARRB2 binds to phosphorylated beta2ARs, thereby causing a significant impairment of their capacity to activate G(S) proteins. Along with AIP4, ARRB2 acts as an endosomal sorting molecule that mediates CXCR4 entry into a degradative pathway. It may also be involved in hormone-specific desensitization of TSH receptors. ARRB2 is a Ca2+ binding protein of the retinal outer segments and binds to P-rhodopsin and is also involved in synaptic transmission in photoreceptor cells. It is widely expressed in most of the tissues, especially neuronal tissues and spleen.
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