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Rabbit Anti-EIF2S1/eIF2 alpha/FITC Conjugated antibody (bs-3613R-FITC)
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说 明 书: 100ul  
100ul/2980.00元
大包装/询价
产品编号 bs-3613R-FITC
英文名称1 Rabbit Anti-EIF2S1/eIF2 alpha/FITC Conjugated antibody
中文名称 FITC标记的真核启动因子2α抗体(eIFα2)
别    名 CDA 02; CDA02; eIF 2 alpha; EIF 2; EIF 2A; EIF-2alpha; EIF2; EIF2A; EIF2alpha; eIF2S1; Eukaryotic Translation Initiation Factor 2 alpha; Eukaryotic translation initiation factor 2 subunit 1 alpha 35kDa; Eukaryotic translation initiation factor 2 subunit alpha.  
规格价格 100ul/2980元 购买        大包装/询价
说 明 书 100ul  
研究领域 肿瘤  细胞生物  免疫学  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,  (predicted: Chicken, Rabbit, ,bow,)
产品应用 Flow-Cyt=1:50-200 IF=1:50-200 
not yet tested in other applications.
optimal dilutions/concentrations should be determined by the end user.
分 子 量 65kDa
性    状 Lyophilized or Liquid
浓    度 1mg/ml
免 疫 原 KLH conjugated synthetic peptide derived from human eIF2 alpha
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.
产品介绍 background:
eIF2 alpha is a 36 kDa protein which is ubiquitously expressed in many cell types. The eIF2 protein, which is composed of three subunits (alpha, beta and gamma), is one of the key molecules in the initiation of translation. In mammalian cells, eIF2 alpha is phosphorylated at serine 51 (human EIF2 alpha, the equivalent residue in mouse is serine 52) by at least two kinases: the haem-controlled repressor (HCR) and the interferon inducible double stranded RNA-dependent protein kinase (PKR). Phosphorylation of eIF2 alpha blocks the GDP-GTP exchange activity of eIF2 beta, resulting in the suppression of protein synthesis. The phosphorylation of eIF2 alpha is an important regulatory process in protein synthesis.

Function:
Functions in the early steps of protein synthesis by forming a ternary complex with GTP and initiator tRNA. This complex binds to a 40S ribosomal subunit, followed by mRNA binding to form a 43S preinitiation complex. Junction of the 60S ribosomal subunit to form the 80S initiation complex is preceded by hydrolysis of the GTP bound to eIF-2 and release of an eIF-2-GDP binary complex. In order for eIF-2 to recycle and catalyze another round of initiation, the GDP bound to eIF-2 must exchange with GTP by way of a reaction catalyzed by eIF-2B.

Subunit:
Heterotrimer composed of an alpha, a beta and a gamma chain. Component of an EIF2 complex at least composed of CELF1/CUGBP1, CALR, CALR3, EIF2S1, EIF2S2, HSP90B1 and HSPA5. Interaction with METAP2 protects EIF2S1 from inhibitory phosphorylation (By similarity). Interacts with ABCF1 isoform 2. Associates with ribosomes.

Subcellular Location:
Cytoplasmic granule. Note=The cytoplasmic granules are stress granules which are a dense aggregation in the cytosol composed of proteins and RNAs that appear when the cell is under stress. Co-localizes with NANOS3 in the stress granules.

Post-translational modifications:
Substrate for at least 4 kinases: EIF2AK3/PERK, GCN2, HRI and PKR. Phosphorylation stabilizes the eIF-2/GDP/eIF-2B complex and prevents GDP/GTP exchange reaction, thus impairing the recycling of eIF-2 between successive rounds of initiation and leading to global inhibition of translation. In case of infection by vaccinia virus or rotavirus A, eIF2S1 phosphorylation state is modulated.

Similarity:
Belongs to the eIF-2-alpha family.
Contains 1 S1 motif domain.

Database links:

Entrez Gene: 1965 Human

Entrez Gene: 13665 Mouse

Entrez Gene: 54318 Rat

Omim: 603907 Human

SwissProt: P05198 Human

SwissProt: Q6ZWX6 Mouse

SwissProt: P68101 Rat

Unigene: 151777 Human

Unigene: 196220 Mouse

Unigene: 1488 Rat



Important Note:
This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications.

eIF2α(真核启动因子2α)
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