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Bethyl Laboratories
VprBP Polyclonal Antibody
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VprBP Antibody (A301-887A) in WB
Detection of human and mouse VprBP by western blot (h&m) and immunoprecipitation (h). Samples: Whole cell lysate from HeLa (5, 15 and 50 µg for WB; 1 mg for IP, 20% of IP loaded), HEK293T (T; 50 µg), and mouse NIH 3T3 (M; 50 µg) cells. Antibodies: Affinity purified rabbit anti-VprBP antibody (Product # A301-887A) used for WB at 0.04 µg/mL (A) and 1 µg/mL (B) and used for IP at 3 µg/mg lysate. VprBP was also immunoprecipitated by rabbit anti-VPRBP antibody A301-888A, which recognizes a downstream epitope. Detection: Chemiluminescence with e... View More
产品信息
A301-887A
产品规格
种属反应
Human,
Mouse
宿主/亚型
Rabbit
/ IgG
分类
Polyclonal
类型
Antibody
抗原
Region between residue 25 and 75 of Human Vpr (HIV-1) binding protein.
偶联物
形式
Liquid
浓度
0.20 mg/mL
纯化类型
Antigen affinity chromatography
保存液
TBS, pH 7.0 to 8.0, with 0.1% BSA
内含物
0.09% sodium azide
保存条件
4°C
运输条件
Ambient (domestic); Wet ice (international)
产品详细信息
The recommended shelf life for this product is 1 year from date of receipt.
靶标信息
Acts both as a substrate recognition component of E3 ubiquitin-protein ligase complexes and as an atypical serine/threonine-protein kinase, playing key roles in various processes such as cell cycle, telomerase regulation and histone modification. Probable substrate-specific adapter of a DCX (DDB1-CUL4-X-box) E3 ubiquitin-protein ligase complex, named CUL4A-RBX1-DDB1-DCAF1/VPRBP complex, which mediates ubiquitination and proteasome-dependent degradation of proteins such as NF2. Involved in the turnover of methylated proteins: recognizes and binds methylated proteins via its chromo domain, leading to ubiquitination of target proteins by the RBX1-DDB1-DCAF1/VPRBP complex. The CUL4A-RBX1-DDB1-DCAF1/VPRBP complex is also involved in B-cell development: VPRBP is recruited by RAG1 to ubiquitinate proteins, leading to limit error-prone repair during V(D)J recombination. Also part of the EDVP complex, an E3 ligase complex that mediates ubiquitination of proteins such as TERT, leading to TERT degradation and telomerase inhibition. Also acts as an atypical serine/threonine-protein kinase that specifically mediates phosphorylation of 'Thr-120' of histone H2A (H2AT120ph) in a nucleosomal context, thereby repressing transcription. H2AT120ph is present in the regulatory region of many tumor suppresor genes, down-regulates their transcription and is present at high level in a number of tumors. Involved in JNK-mediated apoptosis during cell competition process via its interaction with LLGL1 and LLGL2. In case of infection by HIV-1 virus, it is recruited by HIV-1 Vpr in order to hijack the CUL4A-RBX1-DDB1-DCAF1/VPRBP function leading to arrest the cell cycle in G2 phase, and also to protect the viral protein from proteasomal degradation by another E3 ubiquitin ligase. The HIV-1 Vpr protein hijacks the CUL4A-RBX1-DDB1-DCAF1/VPRBP complex to promote ubiquitination and degradation of proteins such as TERT and ZIP/ZGPAT. In case of infection by HIV-2 virus, it is recruited by HIV-2 Vpx in order to hijack the CUL4A-RBX1-DDB1-DCAF1/VPRBP function leading to enhanced efficiency of macrophage infection and promotion of the replication of cognate primate lentiviruses in cells of monocyte/macrophage lineage.
仅用于科研。不用于诊断过程。未经明确授权不得转售。
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生物信息学
蛋白别名: DDB1- and CUL4-associated factor 1; HIV-1 Vpr-binding protein; MGC102804; protein VPRBP; Serine/threonine-protein kinase VPRBP; Vpr (HIV-1) binding protein; Vpr-binding protein; Vpr-interacting protein; VprBP
基因别名: AI447437; B930007L02Rik; DCAF1; KIAA0800; mKIAA0800; RIP; VPRBP
UniProt ID: (Human) Q9Y4B6, (Mouse) Q80TR8
Entrez Gene ID: (Human) 9730, (Mouse) 321006
negative regulation of transcription from RNA polymerase II promoter
transcription, DNA-templated
viral process
protein ubiquitination
B cell differentiation
V(D)J recombination
cell competition in a multicellular organism
histone H2A-T120 phosphorylation
regulation of transcription, DNA-templated
phosphorylation
chromatin modification
