EIF2AK1

Gene Symbol	EIF2AK1
Entrez Gene	27102
Alt Symbol	HCR, HRI
Species	Human
Gene Type	protein-coding
Description	eukaryotic translation initiation factor 2-alpha kinase 1
Other Description	heme regulated initiation factor 2 alpha kinase|heme sensitive initiation factor 2a kinase|heme-controlled repressor|heme-regulated eukaryotic initiation factor eIF-2-alpha kinase|heme-regulated inhibitor|heme-regulated initiation factor 2-alpha kinase|heme-regulated repressor|hemin-sensitive initiation factor 2-alpha kinase
Swissprots	A8K2R2 Q9NYE0 Q9HC02 Q549K6 Q9P0V6 Q8NBW3 Q9P1J5 Q9P2H8 Q9UHG4 Q9BQI3
Accessions	AAS00388 EAL23714 EAW55049 EAW55050 EAW55051 Q9BQI3 AB037790 BAA92607 AF085994 AF100784 AAP97223 AF116634 AAF71057 AF147094 AAF66736 AF183414 AAG09683 AF255050 AAF70289 AK075192 BAC11461 AK290327 BAF83016 AK295712 BAG58556 AL136563 CAB66498 AL834494 CAD39152 AM392648 CAL37526 AM393276 CAL38154 BC006524 AAH06524 DC341983 NM_001134335 NP_001127807 NM_014413 NP_055228
Function	Inhibits protein synthesis at the translation initiation level, in response to various stress conditions, including oxidative stress, heme deficiency, osmotic shock and heat shock. Exerts its function through the phosphorylation of EIF2S1 at 'Ser- 48' and 'Ser-51', thus preventing its recycling. Binds hemin forming a 1:1 complex through a cysteine thiolate and histidine nitrogenous coordination. This binding occurs with moderate affinity, allowing it to sense the heme concentration within the cell. Thanks to this unique heme-sensing capacity, plays a crucial role to shut off protein synthesis during acute heme-deficient conditions. In red blood cells (RBCs), controls hemoglobin synthesis ensuring a coordinated regulation of the synthesis of its heme and globin moieties. Thus plays an essential protective role for RBC survival in anemias of iron deficiency. Similarly, in hepatocytes, involved in heme-mediated translational control of CYP2B and CYP3A and possibly other hepatic P450 cytoc
Subcellular Location	Cytoplasm {ECO:0000250}.
Tissue Specificity	Expressed predominantly in erythroid cells. At much lower levels, expressed in hepatocytes (at protein level). {ECO:0000269|PubMed:20071449}.
Top Pathways	Protein processing in endoplasmic reticulum, Hepatitis C, Measles, Influenza A, Herpes simplex infection

• Antibodies
• Assays/Kits
• Proteins/Peptides
• siRNAs/Functional Genomics
• cDNA Clones
• Cell/Tissue/Blood Products

Active human EIF2AK1 full length protein - ab131665 from Abcam Category Protein Prices $239.00 Sizes 5 µg Source Baculovirus infected sf9 cells Species Human

Human EIF2AK1 full length protein - ab132674 from Abcam Category Protein Source Wheat germ Species Human

Human EIF2AK1 peptide - ab30694 from Abcam Category Peptide

Human EIF2AK1 protein fragment - ab153284 from Abcam Category Protein Source Wheat germ Species Human

HRI-EIF2AK1-Antibody-Center-Blocking-peptide - BP8114c from Abgent, a WuXi AppTec company Category Peptide Prices $80.00 Sizes 100 µg

HRI-Antibody-N-term-Blocking-Peptide - BP8065a from Abgent, a WuXi AppTec company Category Peptide Prices $80.00 Sizes 100 µg

EIF2AK1 / HRI - H00027102-P01-10 from Acris Antibodies Category Protein Prices $380.00 Sizes 10 µg Species Human

EIF2AK1 / HRI - H00027102-P01-25 from Acris Antibodies Category Protein Prices $500.00 Sizes 25 µg Species Human

EIF2AK1 / HRI - H00027102-Q01-10 from Acris Antibodies Category Protein Prices $380.00 Sizes 10 µg Source in vitro transl. Species Human

EIF2AK1 / HRI - H00027102-Q01-25 from Acris Antibodies Category Protein Prices $500.00 Sizes 25 µg Source in vitro transl. Species Human

EIF2AK1 / HRI - P4701 from Acris Antibodies Category Protein Prices $1,380.00 Sizes 100 µg Species Human

EIF2AK1 / HRI - P5769 from Acris Antibodies Category Protein Prices $840.00 Sizes 5 µg Species Human

EIF2AK1 fusion protein - ag14236 from Proteintech Group Category Protein Source E. coli-derived, PGEX-4T Species Human

EIF2AK1 fusion protein - ag16970 from Proteintech Group Category Protein Source E. coli-derived, PET28a Species Human

Recombinant Human EIF2AK1, GST-His - EIF2AK1-703H from Creative Biomart Category Protein Source Baculovirus infected Sf9 cells.

Recombinant Human EIF2AK1, GST-tagged - EIF2AK1-12349H from Creative Biomart Category Protein Source E.coli Species Human

HRI-EIF2AK1-Antibody-C-term-Blocking-peptide - BP8114b from Abgent, a WuXi AppTec company Category Peptide Prices $80.00 Sizes 100 µg

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