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DNA replication licensing factor MCM2 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 ''MCM2''
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 protein encoded by this gene is one of the highly conserved mini-chromosome maintenance proteins (MCM) that are involved in the initiation of eukaryotic genome replication. The hexameric protein complex formed by MCM proteins is a key component of the
pre-replication complex A pre-replication complex (pre-RC) is a protein complex that forms at the origin of replication during the initiation step of DNA replication. Formation of the pre-RC is required for DNA replication to occur. Complete and faithful replication of ...
(pre-RC) and may be involved in the formation of replication forks and in the recruitment of other DNA replication related proteins. This protein forms a complex with MCM4, 6, and 7, and has been shown to regulate the helicase activity of the complex. This protein is phosphorylated, and thus regulated by, protein kinases CDC2 and CDC7.


Interactions

MCM2 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: *
AKAP8 A-kinase anchor protein 8 is an enzyme that, in humans, is encoded by the ''AKAP8'' gene. Function The A-kinase anchor proteins (AKAPs) are a group of structurally diverse proteins, which have the common function of binding to the regulatory s ...
, *
Cell division cycle 7-related protein kinase Cell division cycle 7-related protein kinase is an enzyme that in humans is encoded by the ''CDC7'' gene. The Cdc7 kinase is involved in regulation of the cell cycle at the point of chromosomal DNA replication. The gene CDC7 appears to be conse ...
, *
MCM3 DNA replication licensing factor MCM3 is a protein that in humans is encoded by the ''MCM3'' gene. Function The protein encoded by this gene is one of the highly conserved mini-chromosome maintenance proteins (MCM) that are involved in the init ...
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MCM4 DNA replication licensing factor MCM4 is a protein that in humans is encoded by the ''MCM4'' gene. Function The protein encoded by this gene is one of the highly conserved mini-chromosome maintenance proteins (MCM) that are essential for the i ...
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MCM5 DNA replication licensing factor MCM5 is a protein that in humans is encoded by the ''MCM5'' gene. Function The protein encoded by this gene is structurally very similar to the CDC46 protein from S. cerevisiae, a protein involved in the initiat ...
, *
MCM6 DNA replication licensing factor MCM6 is a protein that in humans is encoded by the ''MCM6'' gene. MCM6 is one of the highly conserved mini-chromosome maintenance proteins ( MCM) that are essential for the initiation of eukaryotic genome replicati ...
, *
MCM7 DNA replication licensing factor MCM7 is a protein that in humans is encoded by the ''MCM7'' gene. Function The protein encoded by this gene is one of the highly conserved mini-chromosome maintenance proteins (MCM) that are essential for the in ...
, *
ORC1L Origin recognition complex subunit 1 is a protein that in humans is encoded by the ORC1 gene. It is closely related to CDC6, and both are the same protein in archaea. Function The origin recognition complex (ORC) is a highly conserved six sub ...
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ORC2L Origin recognition complex subunit 2 is a protein that is encoded by the ORC2 (ORC2L) gene in humans. Function The origin recognition complex (ORC) is a highly conserved six subunits protein complex essential for the initiation of the DNA repl ...
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ORC4L Origin recognition complex subunit 4 is a protein that in humans is encoded by the ORC4 (ORC4L) gene. Function The origin recognition complex (ORC) is a highly conserved six subunit protein complex essential for the initiation of the DNA replic ...
, *
ORC5L Origin recognition complex subunit 5 is a protein that in humans is encoded by the ORC5 (ORC5L) gene. Function The origin recognition complex (ORC) is a highly conserved six subunit protein complex essential for the initiation of the DNA replic ...
, and *
Replication protein A1 Replication protein A 70 kDa DNA-binding subunit is a protein that in humans is encoded by the ''RPA1'' gene. Interactions Replication protein A1 has been shown to interact with: * BRCA2, * BLM, * MCM2, * MCM4, * MCM6, * MCM7, * MUTYH, ...
.


See also

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Mini Chromosome Maintenance The minichromosome maintenance protein complex (MCM) is a DNA helicase essential for genomic DNA replication. Eukaryotic MCM consists of six gene products, Mcm2–7, which form a heterohexamer. As a critical protein for cell division, MCM is also t ...


References


Further reading

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