Eif4g2 - eukaryotic translation initiation factor 4, gamma 2 Gene
Also Known as p97; Nat1; DAP-5; Natm1; E130105L11Rik
Species: Mus musculus
Summary
Translation initiation is mediated by specific recognition of the cap structure by eukaryotic translation initiation factor 4F (eIF4F), which is a cap binding protein complex that consists of three subunits: eIF4A, eIF4E and eIF4G. The protein encoded by this gene shares similarity with the C-terminal region of eIF4G, that contains the binding sites for eIF4A and eIF3; eIF4G in addition, contains a binding site for eIF4E at the N-terminus. Unlike eIF4G which supports cap-dependent and independent translation, this gene product functions as a general repressor of translation by forming translationally inactive complexes. Transgene expression of the Apolipoprotein B mRNA-editing enzyme (APOBEC-1) causes extensive editing of this mRNA, which could contribute to the potent oncogenesis induced by overexpression of APOBEC-1. In vitro and in vivo studies in human indicate that translation of this mRNA initiates exclusively at a non-AUG (GUG) codon. This also appears to be true for mouse. Two alternatively spliced transcript variants that encode different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]
Eif4g2 Products (2)
| mRNA | Protein | Name |
|---|---|---|
| NM_001040131.2 | NP_001035221.1 | eukaryotic translation initiation factor 4 gamma 2 isoform 2 |
| NM_013507.3 | NP_038535.2 | eukaryotic translation initiation factor 4 gamma 2 isoform 1 |
| Molecular Function GO Annotation | Evidence | References | Source |
|---|---|---|---|
| enables protein binding |
IPI
IPI: Inferred from physical interaction
|
12482958 | MGI |
| enables translation initiation factor activity |
IDA
IDA: Inferred from direct assay
|
9030685 | MGI |
| Biological Process GO Annotation | Evidence | References | Source |
|---|---|---|---|
| involved in regulation of translational initiation |
IDA
IDA: Inferred from direct assay
|
9030685 | MGI |
| Cellular Component GO Annotation | Evidence | References | Source |
|---|---|---|---|
| located in cytoplasm |
IDA
IDA: Inferred from direct assay
|
12388085 | MGI |
| is active in postsynaptic density |
EXP
EXP: Inferred from Experiment
|
25211037 | MGI |
| is active in postsynaptic density |
IDA
IDA: Inferred from direct assay
|
25211037 | MGI |
| Protein Preferred Names | Protein Names | |
|---|---|---|
|
eukaryotic translation initiation factor 4 gamma 2 |
|
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