ELONGATION FACTOR 1
\ɪləŋɡˈe͡ɪʃən fˈaktə wˈɒn], \ɪləŋɡˈeɪʃən fˈaktə wˈɒn], \ɪ_l_ə_ŋ_ɡ_ˈeɪ_ʃ_ə_n f_ˈa_k_t_ə w_ˈɒ_n]\
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Peptide elongation factor 1 is a multisubunit protein that is responsible for the GTP-dependent binding of aminoacyl-tRNAs to eukaryotic ribosomes. The alpha subunit (EF-1alpha) binds aminoacyl-tRNA and transfers it to the ribosome in a process linked to GTP hydrolysis. The beta and delta subunits (EF-1beta, EF-1delta) are involved in exchanging GDP for GTP. The gamma subunit (EF-1gamma) is a structural component.
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Word of the day
Dopamine Acetyltransferase
- An enzyme that catalyzes the of groups from acetyl-CoA to arylamines. They have wide specificity for aromatic amines, particularly serotonin, and can also catalyze acetyl transfer between arylamines without CoA. EC 2.3.1.5.