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Chromosome 3 is one of the 23 pairs of chromosomes in humans. People normally have two copies of this chromosome. People normally have two copies of this chromosome. Chromosome 3 spans more than 198 million base pairs (the building material of DNA ) and represents about 6.5 percent of the total DNA in cells .
22591 Ensembl ENSG00000154767 ENSMUSG00000030094 UniProt Q01831 P51612 RefSeq (mRNA) NM_001145769 NM_004628 NM_009531 RefSeq (protein) NP_004619 NP_001341655 NP_001341656 NP_001341658 NP_001341659 NP_033557 Location (UCSC) n/a Chr 6: 91.47 – 91.49 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Xeroderma pigmentosum, complementation group C, also known as XPC, is a protein which in ...
The eukaryotic cell cycle consists of four distinct phases: G 1 phase, S phase (synthesis), G 2 phase (collectively known as interphase) and M phase (mitosis and cytokinesis). M phase is itself composed of two tightly coupled processes: mitosis, in which the cell's nucleus divides, and cytokinesis, in which the cell's cytoplasm and cell membrane divides forming two daughter cells.
Compared to the eukaryotic cell cycle, the prokaryotic cell cycle (known as binary fission) is relatively simple and quick: the chromosome replicates from the origin of replication, a new membrane is assembled, and the cell wall forms a septum which divides the cell into two. [7]
Absence of p53, the most commonly mutated gene in human cancer, has a major effect on cell cycle checkpoint regulators and has been shown to act at the G1 checkpoint in the past, but now appears to be important in regulating the spindle checkpoint as well. [76] Another key aspect of cancer is inhibition of cell death or apoptosis.
The telomere-shelterin complexes that cap all eukaryotic chromosomes ensure that healthy cells can progress through the cell cycle by preventing the cellular DNA damage response from identifying chromosome ends as double-stranded breaks (DSBs). [4] [5] Without a protective cap, chromosome ends would appear identical to intrachromosomal DSBs ...
Mitosis in an animal cell (phases ordered counter-clockwise), with G 2 labeled at bottom. Schematic karyogram of the human chromosomes, showing their usual state in the G 0 and G 1 phase of the cell cycle. At top center it also shows the chromosome 3 pair after having undergone DNA synthesis, occurring in the S phase (annotated as S) of the ...
DNA mismatch repair protein Mlh1 or MutL protein homolog 1 is a protein that in humans is encoded by the MLH1 gene located on chromosome 3. The gene is commonly associated with hereditary nonpolyposis colorectal cancer. Orthologs of human MLH1 have also been studied in other organisms including mouse and the budding yeast Saccharomyces cerevisiae.