Cell division control protein 6 homolog is a protein that in humans is encoded by the CDC6 gene. [5] [6]
The protein encoded by this gene is highly similar to Saccharomyces cerevisiae Cdc6, a protein essential for the initiation of DNA replication. This protein functions as a regulator at the early steps of DNA replication. It localizes in the cell nucleus during cell cycle phase G1, but translocates to the cytoplasm at the start of S phase. The subcellular translocation of this protein during the cell cycle is regulated through its phosphorylation by cyclin-dependent kinases. Transcription of this protein was reported to be regulated in response to mitogenic signals through a transcriptional control mechanism involving E2F proteins. [7]
CDC6 has been shown to interact with ORC1L, [6] [8] ORC2L, [8] [9] Cyclin A2, [6] [10] PPP2R3B, [11] MCM3, [9] [12] PPP2R3A, [13] MCM7 [8] [12] and PSKH1. [10]
E2F is a group of genes that encodes a family of transcription factors (TF) in higher eukaryotes. Three of them are activators: E2F1, 2 and E2F3a. Six others act as repressors: E2F3b, E2F4-8. All of them are involved in the cell cycle regulation and synthesis of DNA in mammalian cells. E2Fs as TFs bind to the TTTCCCGC consensus binding site in the target promoter sequence.
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 replication.
Proliferating cell nuclear antigen (PCNA) is a DNA clamp that acts as a processivity factor for DNA polymerase δ in eukaryotic cells and is essential for replication. PCNA is a homotrimer and achieves its processivity by encircling the DNA, where it acts as a scaffold to recruit proteins involved in DNA replication, DNA repair, chromatin remodeling and epigenetics.
Cyclin A is a member of the cyclin family, a group of proteins that function in regulating progression through the cell cycle. The stages that a cell passes through that culminate in its division and replication are collectively known as the cell cycle Since the successful division and replication of a cell is essential for its survival, the cell cycle is tightly regulated by several components to ensure the efficient and error-free progression through the cell cycle. One such regulatory component is cyclin A which plays a role in the regulation of two different cell cycle stages.
Transcription factor E2F1 is a protein that in humans is encoded by the E2F1 gene.
M-phase inducer phosphatase 1 also known as dual specificity phosphatase Cdc25A is a protein that in humans is encoded by the cell division cycle 25 homolog A (CDC25A) gene.
DNA replication licensing factor MCM7 is a protein that in humans is encoded by the MCM7 gene.
DNA replication licensing factor MCM3 is a protein that in humans is encoded by the MCM3 gene.
G1/S-specific cyclin-E1 is a protein that in humans is encoded by the CCNE1 gene.
Cyclin-A1 is a protein that in humans is encoded by the CCNA1 gene.
Transcription factor E2F3 is a protein that in humans is encoded by the E2F3 gene.
Transcription factor E2F2 is a protein that in humans is encoded by the E2F2 gene.
DNA replication licensing factor MCM4 is a protein that in humans is encoded by the MCM4 gene.
Cyclin-A2 is a protein that in humans is encoded by the CCNA2 gene. It is one of the two types of cyclin A: cyclin A1 is expressed during meiosis and embryogenesis while cyclin A2 is expressed in the mitotic division of somatic cells.
CDT1 is a protein that in humans is encoded by the CDT1 gene. It is a licensing factor that functions to limit DNA from replicating more than once per cell cycle.
Origin recognition complex subunit 2 is a protein that is encoded by the ORC2 (ORC2L) gene in humans.
DNA methyltransferase 1-associated protein 1 is an enzyme that in humans is encoded by the DMAP1 gene.
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 conserved throughout eukaryotic evolution; this means that most eukaryotic cells have the Cdc7 kinase protein.
G-protein-signaling modulator 2, also called LGN for its 10 Leucine-Glycine-Asparagine repeats, is a protein that in humans is encoded by the GPSM2 gene.
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.