Validation Data Gallery
|Positive WB detected in||human stomach tissue, human placenta tissue, human skeletal muscle tissue|
|Positive IP detected in||HepG2 cells|
|Positive IHC detected in||human colon cancer tissue|
Note: suggested antigen retrieval with TE buffer pH 9.0; (*) Alternatively, antigen retrieval may be performed with citrate buffer pH 6.0
|Positive IF detected in||HepG2 cells|
|Positive FC detected in||HepG2 cells, HeLa cells|
|Western Blot (WB)||WB : 1:500-1:1000|
|Immunoprecipitation (IP)||IP : 0.5-4.0 ug for IP and 1:500-1:2000 for WB|
|Immunohistochemistry (IHC)||IHC : 1:20-1:200|
|Immunofluorescence (IF)||IF : 1:20-1:200|
|Sample-dependent, check data in validation data gallery|
11170-1-AP targets EIF2S1/EIF2A in WB, IP, IHC, IF, FC, ELISA applications and shows reactivity with human, mouse, rat samples.
|Tested Reactivity||human, mouse, rat|
|Cited Reactivity||human, mouse, rat, pig|
|Host / Isotype||Rabbit / IgG|
|Immunogen||EIF2S1/EIF2A fusion protein Ag1645|
|Full Name||eukaryotic translation initiation factor 2, subunit 1 alpha, 35kDa|
|Calculated molecular weight||36 kDa|
|Observed molecular weight||36 kDa|
|GenBank accession number||BC002513|
|Gene ID (NCBI)||1965|
|Purification Method||Antigen affinity purification|
|Storage Buffer||PBS with 0.02% sodium azide and 50% glycerol pH 7.3.|
|Storage Conditions||Store at -20°C. Stable for one year after shipment. Aliquoting is unnecessary for -20oC storage.|
EIF2S1 is one subunit of the translation initiation factor EIF2, which catalyzes the first regulated step of protein synthesis initiation, promoting the binding of the initiator tRNA to 40S ribosomal subunits. 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. EIF2A (Gene ID: 83939) and EIF2S1 (Gene ID: 1965) share the EIF2A symbol/alias in common. EIF2S1 is the alpha subunit of the eIF2 translation initiation complex. Although both of these proteins function in binding initiator tRNA to the 40S ribosomal subunit, the EIF2A protein does so in a codon-dependent manner, whereas eIF2 complex requires GTP.
|Product Specific Protocols|
|WB protocol for EIF2S1/EIF2A antibody 11170-1-AP||Download protocol|
|IHC protocol for EIF2S1/EIF2A antibody 11170-1-AP||Download protocol|
|IF protocol for EIF2S1/EIF2A antibody 11170-1-AP||Download protocol|
|IP protocol for EIF2S1/EIF2A antibody 11170-1-AP||Download protocol|
|Click here to view our Standard Protocols|
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