translation factor activity, RNA binding
Definition
Target type: molecularfunction
Functions during translation by binding to RNA during polypeptide synthesis at the ribosome. [GOC:ai, GOC:vw]
Translation factor activity, RNA binding is a molecular function that refers to the ability of proteins to bind to RNA molecules and facilitate the process of protein synthesis. This function is essential for the translation of genetic information from messenger RNA (mRNA) into proteins. Translation factors, also known as initiation factors (eIFs), elongation factors (eEFs), and termination factors (eRFs), play critical roles in all three stages of translation: initiation, elongation, and termination.
**Initiation:**
- Initiation factors bind to the mRNA and the small ribosomal subunit, forming a complex that can then recognize the start codon (AUG) on the mRNA.
- They facilitate the recruitment of the large ribosomal subunit, creating a functional ribosome.
**Elongation:**
- Elongation factors assist in the binding of aminoacyl-tRNAs (tRNAs carrying specific amino acids) to the ribosome, ensuring the correct order of amino acids in the growing polypeptide chain.
- They facilitate the translocation of the ribosome along the mRNA, moving it one codon at a time.
**Termination:**
- Termination factors recognize stop codons on the mRNA, signaling the end of translation.
- They promote the release of the newly synthesized polypeptide chain from the ribosome.
**RNA binding:**
- The ability to bind RNA is crucial for translation factors to perform their specific functions.
- Translation factors recognize and interact with specific sequences on the mRNA, as well as with other components of the translation machinery, such as ribosomes and tRNAs.
In summary, translation factor activity, RNA binding is a complex and essential process that involves multiple steps and requires the coordinated action of various proteins. This function is critical for the accurate and efficient translation of genetic information into proteins, which are essential for all cellular processes.'
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Proteins (2)
| Protein | Definition | Taxonomy |
|---|---|---|
| Eukaryotic initiation factor 4A-I | A eukaryotic initiation factor 4A-I that is encoded in the genome of human. [PRO:DNx] | Homo sapiens (human) |
| Eukaryotic elongation factor 2 kinase | An elongation factor 2 kinase that is encoded in the genome of human. [PRO:DNx, UniProtKB:O00418] | Homo sapiens (human) |
Compounds (12)
| Compound | Definition | Classes | Roles |
|---|---|---|---|
| cycloheximide | cycloheximide : A dicarboximide that is 4-(2-hydroxyethyl)piperidine-2,6-dione in which one of the hydrogens attached to the carbon bearing the hydroxy group is replaced by a 3,5-dimethyl-2-oxocyclohexyl group. It is an antibiotic produced by the bacterium Streptomyces griseus. Cycloheximide: Antibiotic substance isolated from streptomycin-producing strains of Streptomyces griseus. It acts by inhibiting elongation during protein synthesis. | antibiotic fungicide; cyclic ketone; dicarboximide; piperidine antibiotic; piperidones; secondary alcohol | anticoronaviral agent; bacterial metabolite; ferroptosis inhibitor; neuroprotective agent; protein synthesis inhibitor |
| rocaglamide | rocaglamide : An organic heterotricyclic compound that is 2,3,3a,8b-tetrahydro-1H-benzo[b]cyclopenta[d]furan substituted by hydroxy groups at positions 1 and 8b, methoxy groups at positions 6 and 8, a 4-methoxyphenyl group at position 3a, a phenyl group at position 3 and a N,N-dimethylcarbamoyl group at position 1. Isolated from Aglaia odorata and Aglaia duperreana, it exhibits antineoplastic activity. rocaglamide: RN refers to (1alpha,2alpha,3beta,3abeta,8bbeta)-isomer; isolated from stems of Aglaia elliptifolia; structure given in first source | monocarboxylic acid amide; monomethoxybenzene; organic heterotricyclic compound | antileishmanial agent; antineoplastic agent; metabolite |
| aglafoline | aglafolin : A heterotricyclic compound based on a 2,3,3a,8b-tetrahydro-1H-benzo[b]cyclopenta[d]furan framework substituted by hydroxy groups at positions C-1 and C-8b, a methoxycarbonyl group at C-2, a phenyl group at C-3, a 4-methoxyphenyl group at C-3a and methoxy groups at C-6 and C-8. A platelet aggregation inhibitor found in Aglaia elliptifolia and Aglaia odorata. aglafoline: a platelet activating factor antagonist; structure given in first source; isolated from Aglaia elliptifolia | methyl ester; organic heterotricyclic compound | metabolite; platelet aggregation inhibitor |
| rottlerin | rottlerin : A chromenol that is 2,2-dimethyl-2H-chromene substituted by hydroxy groups at positions 5 and 7, a 3-acetyl-2,4,6-trihydroxy-5-methylbenzyl group at position 6 and a (1E)-3-oxo-1-phenylprop-1-en-3-yl group at position 8. A potassium channel opener, it is isolated from Mallotus philippensis. rottlerin: an angiogenesis inhibitor; an inhibitor of protein kinase Cdelta (PKCdelta) and calmodulin kinase III; RN refers to (E)-isomer; do not confuse this chalcone with an anthraquinone that is also called rottlerin (RN 481-72-1); | aromatic ketone; benzenetriol; chromenol; enone; methyl ketone | anti-allergic agent; antihypertensive agent; antineoplastic agent; apoptosis inducer; K-ATP channel agonist; metabolite |
| hippuristanol | hippuristanol: from the gorgonian Isis hippuris | ||
| nh 125 | NH 125: structure in first source | ||
| silvestrol | silvestrol : An organic heterotricyclic compound that consists of a 2,3,3a,8b-tetrahydro-H-benzo[b]cyclopenta[d]furan framework substituted by hydroxy groups at positions C-1 and C-8b, a methoxycarbonyl group at C-2, a phenyl group at C-3, a 4-methoxyphenyl group at C-3a, a methoxy group at C-8 and a 1,4-dioxan-2-yloxy group at position C-6 which in turn is substituted by a methoxy group at position 3 and a 1,2-dihydroxyethyl group at position 6. Isolated from Aglaia silvestris, it exhibits antineoplastic activity. silvestrol: isolated from the fruit and twig of Aglaia silvestris | dioxanes; ether; methyl ester; organic heterotricyclic compound | antineoplastic agent; metabolite |
| a-484954 | A-484954: eEF2K inhibitor; structure in first source | ||
| entrectinib | entrectinib : A member of the class of indazoles that is 1H-indazole substituted by [4-(4-methylpiperazin-1-yl)-2-(tetrahydro-2H-pyran-4-ylamino)benzoyl]amino and 3,5-difluorobenzyl groups at positions 3 and 5, respectively. It is a potent inhibitor of TRKA, TRKB, TRKC, ROS1, and ALK (IC50 values of 0.1 to 1.7 nM), and used for the treatment of NTRK, ROS1 and ALK gene fusion-positive solid tumours. entrectinib: inhibits TRK, ROS1, and ALK receptor tyrosine kinases; structure in first source | benzamides; difluorobenzene; indazoles; N-methylpiperazine; oxanes; secondary amino compound; secondary carboxamide | antibacterial agent; antineoplastic agent; apoptosis inducer; EC 2.7.10.1 (receptor protein-tyrosine kinase) inhibitor |
| nms p937 | NMS P937: a polo-like kinase 1 inhibitor; structure in first source | ||
| nms-p118 | NMS-P118: a PARP-1 inhibitor; structure in first source | ||
| nms-e973 | NMS-E973: structure in first source |