EIF3K
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Eukaryotic translation initiation factor 3 subunit K (eIF3k) is a
protein Proteins are large biomolecules and macromolecules that comprise one or more long chains of amino acid residues. Proteins perform a vast array of functions within organisms, including catalysing metabolic reactions, DNA replication, respo ...
that in humans is encoded by the ''EIF3K''
gene In biology, the word gene (from , ; "...Wilhelm Johannsen coined the word gene to describe the Mendelian units of heredity..." meaning ''generation'' or ''birth'' or ''gender'') can have several different meanings. The Mendelian gene is a ba ...
.


Function

The ~800 kDa
eukaryotic initiation factor 3 Eukaryotic initiation factor 3 (eIF3) is a multiprotein complex that functions during the initiation phase of eukaryotic translation. It is essential for most forms of cap-dependent and cap-independent translation initiation. In humans, eIF3 co ...
(eIF3) is the largest eIF and contains at least 12 subunits, including eIF3k/EIF2S12. eIF3 plays an essential role in translation by binding directly to the 40S ribosomal subunit and promoting formation of the
43S preinitiation complex The 43S preinitiation complex (43S PIC) is a ribonucleoprotein complex that exists during an early step of eukaryotic translation initiation. The 43S PIC contains the small ribosomal subunit (40S) bound by the initiation factors eIF1, eIF1A, eIF3 ...
.


Interactions

eIF3k has been shown to
interact Advocates for Informed Choice, dba interACT or interACT Advocates for Intersex Youth, is a 501(c)(3) nonprofit organization using innovative strategies to advocate for the legal and human rights of children with intersex traits. The organizati ...
with
Cyclin D3 G1/S-specific cyclin-D3 is a protein that in humans is encoded by the ''CCND3'' gene. Function The protein encoded by this gene belongs to the highly conserved cyclin family, whose members are characterized by a dramatic periodicity in protein ...
and
eIF3a Eukaryotic translation initiation factor 3 subunit A (eIF3a) is a protein that in humans is encoded by the ''EIF3A'' gene. It is one of the subunits of Eukaryotic initiation factor 3 (eIF3) a multiprotein complex playing major roles in Eukaryotic_ ...
.


See also

* Eukaryotic initiation factor 3 (eIF3)


References


Further reading

* * * *


External links

* {{gene-19-stub