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The helicase activity is capable of displacing duplex regions up to 100 bp, which can be extended up to 500 bp from the replication protein A (RPA) or the cohesion CTF18-replication factor C (Ctf18-RFC) complex activities (PubMed:18499658). Shows also ATPase- and helicase actions on substrates that mimic key DNA intermediates of replication, repair and homologous recombination reactions, including forked duplex, anti-parallel G-quadruplex and three- stranded D-loop DNA molecules (PubMed:22102414, PubMed:26503245).
|DEAD box helicase family|
|Sequence:||12; NC_000012.12 (31073860..31104799)|
Expressed in melanoma cells. Not detected in epidermal melanocytes of normal skin (at protein level) (PubMed:23116066). Highly expressed in spleen, B-cells, thymus, testis, ovary, small intestine and pancreas (PubMed:9013641). Very low expression seen in brain (PubMed:9013641). Expressed in dividing cells and/or cells undergoing high levels of recombination (PubMed:9013641). No expression detected in cells signaled to terminally differentiate (PubMed:9013641). Expressed weakly in keratinocytes (PubMed:8798685).
Nucleus. Nucleus, nucleolus. Cytoplasm, cytoskeleton, spindle pole. Midbody. Cytoplasm, cytoskeleton, microtubule organizing center, centrosome. During the early stages of mitosis, localizes to condensed chromatin and is released from the chromatin with progression to metaphase. Also localizes to the spindle poles throughout mitosis and at the midbody at later stages of mitosis (metaphase to telophase) (PubMed:17105772). In interphase, colocalizes with nucleolin in the nucleolus (PubMed:26089203).; Chromosome. (Microbial infection) Colocalizes with bovine papillomavirus type 1 regulatory prote