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EIF4A1
ATP-dependent RNA helicase which is a subunit of the eIF4F complex involved in cap recognition and is required for mRNA binding to ribosome. In the current model of translation initiation, eIF4A unwinds RNA secondary structures in the 5'-UTR of mRNAs which is necessary to allow efficient binding of the small ribosomal subunit, and subsequent scanning for the initiator codon. Belongs to the DEAD box helicase family. eIF4A subfamily. 2 alternatively spliced human isoforms have been reported. Note: This description may include information from UniProtKB.
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| Protein type: EC 3.6.4.13; Helicase; RNA-binding; Translation; Translation initiation |
| Chromosomal Location of Human Ortholog: 11 B3|11 42.86 cM |
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Cellular Component:
cytoplasm
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Molecular Function:
ATP binding; ATP-dependent RNA helicase activity; double-stranded RNA binding; helicase activity; hydrolase activity; nucleic acid binding; nucleotide binding; protein binding; RNA binding; translation initiation factor activity
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Biological Process:
translation; translational initiation
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Reference #:
P60843
(UniProtKB)
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Alt. Names/Synonyms: ATP-dependent RNA helicase eIF4A-1; BM-010; Ddx2a; Eif; eIF-4A-I; Eif4; Eif4a; eIF4A-I; Eif4a1; Eukaryotic initiation factor 4A-I; eukaryotic translation initiation factor 4A1; IF4A1; initiation factor eIF-4A long form; OTTMUSP00000006211
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Gene Symbols: Eif4a1
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Molecular weight:
46,154 Da
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Basal Isoelectric point:
5.32
Predict pI for various phosphorylation states
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CST Pathways:
Translation: eIF4E and p70S6K
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Protein-Specific Antibodies, siRNAs or Recombinant Proteins from Cell Signaling Technology®
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