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A nucleosome is the basic structural unit of DNA ... The human alpha satellite palindromic DNA critical to achieving the 1997 nucleosome crystal structure was ...
Alphasatellites are a single-stranded DNA family of satellite viruses that depend on the presence of another virus (helper viruses) to replicate their genomes. As such, they have minimal genomes with very low genomic redundancy. The genome is a single circular single strand DNA molecule. [1]
Satellite DNA consists of very large arrays of tandemly repeating, non-coding DNA. Satellite DNA is the main component of functional centromeres , and form the main structural constituent of heterochromatin .
1058 12615 Ensembl ENSG00000115163 ENSMUSG00000029177 UniProt P49450 O35216 RefSeq (mRNA) NM_001809 NM_001042426 NM_007681 NM_001302129 NM_001302130 NM_001302131 NM_001302132 RefSeq (protein) NP_001035891 NP_001800 NP_001289058 NP_001289059 NP_001289060 NP_001289061 NP_031707 Location (UCSC) Chr 2: 26.76 – 26.8 Mb Chr 5: 30.82 – 30.83 Mb PubMed search Wikidata View/Edit Human View/Edit ...
The nucleosome assembles when DNA wraps around the histone octamer, two H2A-H2B dimers bound to an H3-H4 tetramer. The nucleosome core particle is the most basic form of DNA compaction in eukaryotes. Nucleosomes consist of a histone octamer surrounded by 146 base pairs of DNA wrapped in a superhelical manner. [10]
In September 2023, it achieved a 14-Mbps data stream on the BW3 satellite. A year later, in September 2024, the company launched five additional satellites, BlueBird 1 through 5.
Human centromeres usually consist of 2000–4000 kilobases of a 171 base pair repeat unit. This alpha satellite is not present at all in human neocentromeres. [10] By 2008, more than 90 reported cases of human neocentromeres were detected on marker chromosomes that experienced a loss of centromere, and a subsequent rearrangement. [10]
Nucleosome assembly protein 1-like 1 is a protein that in humans is encoded by the NAP1L1 gene. [ 4 ] [ 5 ] This gene encodes a member of the nucleosome assembly protein (NAP) family.