MCM4

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

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RefSeq (protein)

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DNA replication licensing factor MCM4 is a protein that in humans is encoded by the MCM4 gene.[1]

Function

The protein encoded by this gene is one of the highly conserved mini-chromosome maintenance proteins (MCM) that are essential for the initiation of eukaryotic genome replication. The hexameric protein complex formed by MCM proteins is a key component of the pre-replication complex (pre-RC) and may be involved in the formation of replication forks and in the recruitment of other DNA replication related proteins. The MCM complex consisting of this protein and MCM2, 6 and 7 proteins possesses DNA helicase activity, and may act as a DNA unwinding enzyme. The phosphorylation of this protein by CDC2 kinase reduces the DNA helicase activity and chromatin binding of the MCM complex. This gene is mapped to a region on the chromosome 8 head-to-head next to the PRKDC/DNA-PK, a DNA-activated protein kinase involved in the repair of DNA double-strand breaks. Alternatively spliced transcript variants encoding the same protein have been reported.[2]

See also

Interactions

MCM4 has been shown to interact with:

References

  1. Musahl C, Schulte D, Burkhart R, Knippers R (August 1995). "A human homologue of the yeast replication protein Cdc21. Interactions with other Mcm proteins". Eur J Biochem. 230 (3): 1096–101. doi:10.1111/j.1432-1033.1995.tb20660.x. PMID 7601140.
  2. "Entrez Gene: MCM4 MCM4 minichromosome maintenance deficient 4 (S. cerevisiae)".
  3. 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 Kneissl M, Pütter V, Szalay AA, Grummt F (March 2003). "Interaction and assembly of murine pre-replicative complex proteins in yeast and mouse cells". J. Mol. Biol. 327 (1): 111–28. doi:10.1016/s0022-2836(03)00079-2. PMID 12614612.
  4. 4.0 4.1 4.2 Yabuta N, Kajimura N, Mayanagi K, Sato M, Gotow T, Uchiyama Y, Ishimi Y, Nojima H (May 2003). "Mammalian Mcm2/4/6/7 complex forms a toroidal structure". Genes Cells. 8 (5): 413–21. doi:10.1046/j.1365-2443.2003.00645.x. PMID 12694531.
  5. 5.0 5.1 5.2 Ishimi Y, Ichinose S, Omori A, Sato K, Kimura H (September 1996). "Binding of human minichromosome maintenance proteins with histone H3". J. Biol. Chem. 271 (39): 24115–22. doi:10.1074/jbc.271.39.24115. PMID 8798650.
  6. You Z, Komamura Y, Ishimi Y (December 1999). "Biochemical analysis of the intrinsic Mcm4-Mcm6-mcm7 DNA helicase activity". Mol. Cell. Biol. 19 (12): 8003–15. PMC 84885. PMID 10567526.
  7. 7.0 7.1 You Z, Ishimi Y, Masai H, Hanaoka F (November 2002). "Roles of Mcm7 and Mcm4 subunits in the DNA helicase activity of the mouse Mcm4/6/7 complex". J. Biol. Chem. 277 (45): 42471–9. doi:10.1074/jbc.M205769200. PMID 12207017.
  8. Fujita M, Kiyono T, Hayashi Y, Ishibashi M (April 1997). "In vivo interaction of human MCM heterohexameric complexes with chromatin. Possible involvement of ATP". J. Biol. Chem. 272 (16): 10928–35. doi:10.1074/jbc.272.16.10928. PMID 9099751.

Further reading