SF3A3

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Identifiers
Aliases
External IDsGeneCards: [1]
Orthologs
SpeciesHumanMouse
Entrez
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RefSeq (mRNA)

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RefSeq (protein)

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Splicing factor 3A subunit 3 is a protein that in humans is encoded by the SF3A3 gene.[1][2][3]

This gene encodes subunit 3 of the splicing factor 3a protein complex. The splicing factor 3a heterotrimer includes subunits 1, 2 and 3 and is necessary for the in vitro conversion of 15S U2 snRNP into an active 17S particle that performs pre-mRNA splicing. Subunit 3 interacts with subunit 1 through its amino-terminus while the zinc finger domain of subunit 3 plays a role in its binding to the 15S U2 snRNP. This gene has a pseudogene on chromosome 20.[3]

Interactions

SF3A3 has been shown to interact with SF3A1.[2][4]

References

  1. Kramer A; Legrain P; Mulhauser F; Groning K; Brosi R; Bilbe G (February 1995). "Splicing factor SF3a60 is the mammalian homologue of PRP9 of S.cerevisiae: the conserved zinc finger-like motif is functionally exchangeable in vivo". Nucleic Acids Res. 22 (24): 5223–8. doi:10.1093/nar/22.24.5223. PMC 332064. PMID 7816610.
  2. 2.0 2.1 Chiara MD; Champion-Arnaud P; Buvoli M; Nadal-Ginard B; Reed R (August 1994). "Specific protein-protein interactions between the essential mammalian spliceosome-associated proteins SAP 61 and SAP 114". Proc Natl Acad Sci U S A. 91 (14): 6403–7. Bibcode:1994PNAS...91.6403C. doi:10.1073/pnas.91.14.6403. PMC 44210. PMID 8022796.
  3. 3.0 3.1 "Entrez Gene: SF3A3 splicing factor 3a, subunit 3, 60kDa".
  4. Nesic, D; Krämer A (October 2001). "Domains in human splicing factors SF3a60 and SF3a66 required for binding to SF3a120, assembly of the 17S U2 snRNP, and prespliceosome formation". Mol. Cell. Biol. United States. 21 (19): 6406–17. doi:10.1128/MCB.21.19.6406-6417.2001. ISSN 0270-7306. PMC 99788. PMID 11533230.

Further reading