Description
Key facts
Species or organism:Human,
Form:LiquidSee storage information
Product details:
ab94302 is a 293T cell transfected lysate in which Human MCM4 has been transiently over-expressed using a pCMV-MCM4 plasmid. The lysate is provided in 1X Sample Buffer.
Properties and Storage Information:
Shipped at conditions-Dry Ice, Appropriate short-term storage conditions--20°C, Appropriate long-term storage conditions--20°C, Aliquoting information-Upon delivery aliquot, Storage information-Avoid freeze / thaw cycle
Supplementary Information:
This supplementary information is collated from multiple sources and compiled automatically.
MCM4 or Minichromosome Maintenance Complex Component 4 is a part of the MCM2-7 complex which is essential for the initiation and progression of DNA replication. It has a molecular mass of approximately 95 kDa. MCM4 functions as a DNA helicase unwinding DNA strands to allow replication forks to progress. This protein is expressed in various tissues with higher levels detected in dividing cells indicating its role in cell proliferation.
Biological function summary
MCM4 is a critical player in cell cycle regulation as it participates in the formation of the pre-replicative complex during the G1 phase of the cell cycle. Its function becomes evident as it interacts within the MCM2-7 hexameric complex important for helicase activity and stability. This complex prevents DNA re-replication within a single cell cycle ensuring the maintenance of genomic integrity.
Pathways
Several cellular mechanisms engage MCM4 particularly the DNA replication and cell cycle pathways. MCM4 associates with proteins like CDC45 and GINS within the CMG complex facilitating the activation and elongation phases of DNA replication. This relationship places MCM4 at the heart of orchestrating proper DNA synthesis and mitotic entry.
Researchers have linked MCM4 abnormalities to cancer progression and genomic instability. Overexpression or mutations in MCM4 disrupts normal replication processes heightening the risk for various cancers including breast and ovarian cancer. It also demonstrates interaction with the tumor suppressor protein p53 suggesting its involvement in processes that underpin malignancies linked to failed checkpoint control.
