Component of the eukaryotic translation initiation factor 3 (eIF-3) complex, which is composed of 13 subunits: EIF3A, EIF3B, EIF3C, EIF3D, EIF3E, EIF3F, EIF3G, EIF3H, EIF3I, EIF3J, EIF3K, EIF3L and EIF3M. The eIF-3 complex appears to include 3 stable modules: module A is composed of EIF3A, EIF3B, EIF3G and EIF3I; module B is composed of EIF3F, EIF3H, and EIF3M; and module C is composed of EIF3C, EIF3D, EIF3E, EIF3K and EIF3L. EIF3C of module C binds EIF3B of module A and EIF3H of module B, thereby linking the three modules. EIF3J is a labile subunit that binds to the eIF-3 complex via EIF3B. The eIF-3 complex interacts with RPS6KB1 under conditions of nutrient depletion. Mitogenic stimulation leads to binding and activation of a complex composed of MTOR and RPTOR, leading to phosphorylation and release of RPS6KB1 and binding of EIF4B to eIF-3. Interacts with CCND3, but not with CCND1 and CCND2.
Function:
Component of the eukaryotic translation initiation factor 3 (eIF-3) complex, which is required for several steps in the initiation of protein synthesis. The eIF-3 complex associates with the 40S ribosome and facilitates the recruitment of eIF-1, eIF-1A, eIF-2:GTP:methionyl-tRNAi and eIF-5 to form the 43S preinitiation complex (43S PIC). The eIF-3 complex stimulates mRNA recruitment to the 43S PIC and scanning of the mRNA for AUG recognition. The eIF-3 complex is also required for disassembly and recycling of posttermination ribosomal complexes and subsequently prevents premature joining of the 40S and 60S ribosomal subunits prior to initiation.
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Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 1);PROTEIN SEQUENCE OF 21-31;IDENTIFICATION IN THE EIF-3 COMPLEX;INTERACTION WITH EIF3B; EIF3C; EIF3G AND EIF3J;TISSUE SPECIFICITY;BLOCKAGE OF N-TERMINUS
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Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 1)
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Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 1)
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Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 1)
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Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORMS 1 AND 2)
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Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 1)
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Cited for: PROTEIN SEQUENCE OF 2-8; 21-31 AND 39-52;CLEAVAGE OF INITIATOR METHIONINE;ACETYLATION AT ALA-2;IDENTIFICATION BY MASS SPECTROMETRY
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Cited for: IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
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Cited for: IDENTIFICATION IN THE EIF-3 COMPLEX;IDENTIFICATION BY MASS SPECTROMETRY
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Cited for: IDENTIFICATION IN THE EIF-3 COMPLEX;CHARACTERIZATION OF THE EIF-3 COMPLEX;CLEAVAGE OF INITIATOR METHIONINE;ACETYLATION AT ALA-2;MASS SPECTROMETRY
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Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-217;IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
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Cited for: IDENTIFICATION IN THE EIF-3 COMPLEX;CHARACTERIZATION OF THE EIF-3 COMPLEX;MASS SPECTROMETRY
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Cited for: ACETYLATION [LARGE SCALE ANALYSIS] AT ALA-2;IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
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Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-217;IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
[15/1/25 17:38] Upload to ab completed in less than a minute: 1 file transferred (13.4 Kb/s)
Cited for: IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
[15/1/25 17:38] Upload to ab completed in less than a minute: 1 file transferred (13.4 Kb/s)
Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-217;IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
[15/1/25 17:38] Upload to ab completed in less than a minute: 1 file transferred (13.4 Kb/s)
Cited for: ACETYLATION [LARGE SCALE ANALYSIS] AT ALA-2;IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
[15/1/25 17:38] Upload to ab completed in less than a minute: 1 file transferred (13.4 Kb/s)
Cited for: ACETYLATION [LARGE SCALE ANALYSIS] AT ALA-2;IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]