EIF2AK2 - eukaryotic translation initiation factor 2 alpha kinase 2 Gene
Also Known as PKR; PRKR; DYT33; LEUDEN; EIF2AK1; PPP1R83
Species: Homo sapiens
About EIF2AK2
This gene has 14 transcripts (splice variants), 153 orthologues, 8 paralogues and is associated with 4 phenotypes. Ubiquitous expression in bone marrow (RPKM 8.7), brain (RPKM 6.4) and 25 other tissues.
Summary
The protein encoded by this gene is a serine/threonine protein kinase that is activated by autophosphorylation after binding to dsRNA. The activated form of the encoded protein can phosphorylate translation initiation factor EIF2S1, which in turn inhibits protein synthesis. This protein is also activated by manganese ions and heparin. The encoded protein plays an important role in the innate immune response against multiple DNA and RNA viruses. [provided by RefSeq, Jul 2021]
EIF2AK2 Products (3)
| mRNA | Protein | Name |
|---|---|---|
| NM_001135651.3 | NP_001129123.1 | interferon-induced, double-stranded RNA-activated protein kinase isoform a |
| NM_001135652.2 | NP_001129124.1 | interferon-induced, double-stranded RNA-activated protein kinase isoform b |
| NM_002759.4 | NP_002750.1 | interferon-induced, double-stranded RNA-activated protein kinase isoform a |
| Molecular Function GO Annotation | Evidence | References | Source |
|---|---|---|---|
| enables double-stranded RNA binding |
IDA
IDA: Inferred from direct assay
|
21266579 | GOA |
| enables eukaryotic translation initiation factor 2alpha kinase activity |
IMP
IMP: Inferred from mutant phenotype
|
25329545 | GOA |
| enables identical protein binding |
IPI
IPI: Inferred from physical interaction
|
16373505 | GOA |
| enables kinase activity |
IDA
IDA: Inferred from direct assay
|
21123651 | GOA |
| enables protein binding |
IPI
IPI: Inferred from physical interaction
|
8576172 | GOA |
| enables protein kinase activity |
IDA
IDA: Inferred from direct assay
|
12882984 | GOA |
| enables protein kinase activity |
IMP
IMP: Inferred from mutant phenotype
|
21123651 | GOA |
| Cellular Component GO Annotation | Evidence | References | Source |
|---|---|---|---|
| is active in cytoplasm |
IDA
IDA: Inferred from direct assay
|
21123651 | GOA |
| located in cytoplasm |
IDA
IDA: Inferred from direct assay
|
15121867 | GOA |
| located in perinuclear region of cytoplasm |
IDA
IDA: Inferred from direct assay
|
15121867 | GOA |
EIF2AK2 Protein Structure
dsrm: Double-stranded RNA binding motif (13 - 75)
dsrm: Double-stranded RNA binding motif (101 - 164)
Pkinase: Protein kinase domain (268 - 534)
- 0
- 100
- 200
- 300
- 400
- 500
- 551 a.a.
| Protein Preferred Names | Protein Names | |
|---|---|---|
|
interferon-induced, double-stranded RNA-activated protein kinase |
|
EIF2AK2 Protein-protein interaction Information
|
Type
|
Protein Name | Protein ID | Interactor | Interactor Species | Interactor ID | Detection Method | References |
|---|---|---|---|---|---|---|---|
|
Intra
|
EIF2AK2 | P19525 | EDC4 | Homo sapiens | Q6P2E9 | 21903422 | |
|
Intra
|
EIF2AK2 | P19525 | MOV10 | Homo sapiens | Q9HCE1 | 21903422 | |
|
Intra
|
EIF2AK2 | P19525 | MOV10 | Homo sapiens | Q9HCE1 | 32707033 | |
|
Intra
|
EIF2AK2 | P19525 | EIF2S1 | Homo sapiens | P05198 | 9431994 | |
|
Intra
|
EIF2AK2 | P19525 | EIF2S1 | Homo sapiens | P05198 | 9431994 | |
|
Intra
|
EIF2AK2 | P19525 | EIF2S1 | Homo sapiens | P05198 | 18971339 | |
|
Intra
|
EIF2AK2 | P19525 | EIF2S1 | Homo sapiens | P05198 | 9431994 | |
|
Intra
|
EIF2AK2 | P19525 | ADARB1 | Homo sapiens | P78563-4 | 32296183 | |
|
Intra
|
EIF2AK2 | P19525 | DHX30 | Homo sapiens | Q7L2E3 | 32707033 | |
|
Intra
|
EIF2AK2 | P19525 | DHX30 | Homo sapiens | Q7L2E3 | 23455922 | |
|
Intra
|
EIF2AK2 | P19525 | DHX30 | Homo sapiens | Q7L2E3 | 21903422 | |
|
Intra
|
EIF2AK2 | P19525 | PRKRA | Homo sapiens | O75569-1 | 16785445 | |
|
Intra
|
EIF2AK2 | P19525 | PRKRA | Homo sapiens | O75569-1 | 16785445 | |
|
Intra
|
EIF2AK2 | P19525 | ZNF346 | Homo sapiens | Q9UL40 | 32707033 | |
|
Intra
|
EIF2AK2 | P19525 | ZNF346 | Homo sapiens | Q9UL40 | 21903422 | |
|
Intra
|
EIF2AK2 | P19525 | ZNF346 | Homo sapiens | Q9UL40 | 35271311 | |
|
Intra
|
EIF2AK2 | P19525 | N | SARS-CoV-2 | P0DTC9 | 34035218 | |
|
Intra
|
EIF2AK2 | P19525 | DHX9 | Homo sapiens | Q08211 | 35271311 | |
|
Intra
|
EIF2AK2 | P19525 | DHX9 | Homo sapiens | Q08211 | 21903422 | |
|
Intra
|
EIF2AK2 | P19525 | DHX9 | Homo sapiens | Q08211 | 21903422 | |
|
Intra
|
EIF2AK2 | P19525 | EIF6 | Homo sapiens | P56537 | 21903422 | |
|
Intra
|
EIF2AK2 | P19525 | DICER1 | Homo sapiens | Q9UPY3 | 21903422 | |
|
Intra
|
EIF2AK2 | P19525 | CDK1 | Homo sapiens | P06493 | 20395957 | |
|
Intra
|
EIF2AK2 | P19525 | NLRP3 | Homo sapiens | Q96P20 | 22801494 | |
|
Intra
|
EIF2AK2 | P19525 | NLRP3 | Homo sapiens | Q96P20 | 22801494 | |
|
Intra
|
EIF2AK2 | P19525 | PRKRA | Homo sapiens | O75569 | 23455922 | |
|
Intra
|
EIF2AK2 | P19525 | PRKRA | Homo sapiens | O75569 | 32707033 | |
|
Intra
|
EIF2AK2 | P19525 | PRKRA | Homo sapiens | O75569 | 21903422 | |
|
Intra
|
EIF2AK2 | P19525 | STAU2 | Homo sapiens | Q9NUL3 | 32707033 | |
|
Intra
|
EIF2AK2 | P19525 | STAU2 | Homo sapiens | Q9NUL3 | 21903422 | |
|
Intra
|
EIF2AK2 | P19525 | FTSJ3 | Homo sapiens | Q8IY81 | 21903422 | |
|
Intra
|
EIF2AK2 | P19525 | FTSJ3 | Homo sapiens | Q8IY81 | 32707033 | |
|
Intra
|
EIF2AK2 | P19525 | TOLLIP | Homo sapiens | Q9H0E2 | 21903422 | |
|
Intra
|
EIF2AK2 | P19525 | NPM1 | Homo sapiens | P06748 | 16957780 | |
|
Intra
|
EIF2AK2 | P19525 | NPM1 | Homo sapiens | P06748 | 16957780 | |
|
Cross
|
EIF2AK2 | P19525 | vIRF-2 | Human herpesvirus 8 | Q2HR71 | 11160738 | |
|
Intra
|
EIF2AK2 | P19525 | TARBP2 | Homo sapiens | Q15633 | 21903422 | |
|
Cross
|
EIF2AK2 | P19525 | US11 | Human herpesvirus 1 | P04487 | 11836380 | |
|
Cross
|
EIF2AK2 | P19525 | US11 | Human herpesvirus 1 | P04487 | 11836380 | |
|
Cross
|
EIF2AK2 | P19525 | DNAJC3 | Bos taurus | Q27968 | 8576172 | |
|
Cross
|
EIF2AK2 | P19525 | P27958-PRO_0000037570 | Hepatitis C virus | P27958-PRO_0000037570 | 12610133 | |
|
Cross
|
EIF2AK2 | P19525 | P27958-PRO_0000037570 | Hepatitis C virus | P27958-PRO_0000037570 | 10390359 | |
|
Cross
|
EIF2AK2 | P19525 | P27958-PRO_0000037570 | Hepatitis C virus | P27958-PRO_0000037570 | 10390359 | |
|
Cross
|
EIF2AK2 | P19525 | OPG041 | Vaccinia virus | P20639 | 18971339 | |
|
Cross
|
EIF2AK2 | P19525 | OPG041 | Vaccinia virus | P20639 | 9431994 | |
|
Cross
|
EIF2AK2 | P19525 | P27958-PRO_0000037576 | Hepatitis C virus | P27958-PRO_0000037576 | 9143277 | |
|
Cross
|
EIF2AK2 | P19525 | P27958-PRO_0000037576 | Hepatitis C virus | P27958-PRO_0000037576 | 9143277 | |
|
Cross
|
EIF2AK2 | P19525 | P27958-PRO_0000037576 | Hepatitis C virus | P27958-PRO_0000037576 | 9143277 |
EIF2AK2 Antibodies
| Cat. No. | Product Name | Application | Reactivity |
|---|---|---|---|
| HY-P80283 | PKR Antibody (YA124) | WB, ICC/IF, IHC-P, IP | Human |
| HY-P81299 | Phospho-PKR (Thr451) Antibody (YA1025) | WB | Human |
| HY-P81299A | Phospho-PKR (Thr446) Antibody (YA1026) | WB, IHC-P, IP, ChIP | Human |
| HY-P81299AA | Phospho-PKR (Thr451) Antibody (YA1025) (PBS only) | WB | Human |
| HY-P86157 | PKR Antibody (YA5849) | WB, IHC-P, ICC/IF, IP, ELISA | Human, Mouse, Rat |
Related Diseases
| Diseases | Alias | |
|---|---|---|
| Dystonia 33 |
|
|
| Leukoencephalopathy, Developmental Delay, And Episodic Neurologic Regression Syndrome |
|
|
| Early-Onset Generalized Limb-Onset Dystonia |
|
|
| Hepatitis C |
|
|
| Vaccinia |
|
|
| Herpes Simplex |
|
|
| Hepatitis C Virus |
|
|
| Measles |
|
|
| Rift Valley Fever |
|
|
| Chronic Fatigue Syndrome |
|
|
| Hepatitis |
|
|
| Influenza |
|
|
| Hepatitis D |
|
|
| Mumps |
|
|
| Creutzfeldt-Jakob Disease |
|
|
| Stomatitis |
|
|
| Acute Leukemia |
|
|
| Viral Infectious Disease |
|
|
| Newcastle Disease |
|
|
| Hepatitis B |
|
|
| Fanconi Anemia, Complementation Group C |
|
|
| Dystonia |
|
|
| Melanoma |
|
|
| Microphthalmia With Limb Anomalies |
|
|
| Lung Cancer |
|
|
| Immune Deficiency Disease |
|
|
| Myelodysplastic Syndrome |
|
|
| Leukoencephalopathy With Vanishing White Matter |
|
|
| Alzheimer Disease, Familial, 1 |
|
|
| Amyotrophic Lateral Sclerosis 1 |
|
|
Orthologs Information
| Species | Symbol | Source | ID |
|---|---|---|---|
| Felis catus | EIF2AK2 | VGNC | VGNC:69072 |
| Mus musculus | EIF2AK2 | MGD | MGI:1353449 |
| Rattus norvegicus | EIF2AK2 | RGD | RGD:3402 |
| Macaca mulatta | EIF2AK2 | VGNC | VGNC:106152 |
| Canis familiaris | EIF2AK2 | VGNC | VGNC:40257 |
| Bos taurus | EIF2AK2 | VGNC | VGNC:28381 |
| Others | EIF2AK2 | NCBI |