ASF1A | |||||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| |||||||||||||||||||||||||||||||||||||||||||||||||||
Identifiers | |||||||||||||||||||||||||||||||||||||||||||||||||||
Aliases | ASF1A , CGI-98, CIA, HSPC146, anti-silencing function 1A histone chaperone | ||||||||||||||||||||||||||||||||||||||||||||||||||
External IDs | OMIM: 609189 MGI: 1913653 HomoloGene: 8528 GeneCards: ASF1A | ||||||||||||||||||||||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||||||||||||||||||||||
Wikidata | |||||||||||||||||||||||||||||||||||||||||||||||||||
|
Histone chaperone ASF1A is a protein that in humans is encoded by the ASF1A gene. [5] [6] [7]
This gene encodes a member of the H3/H4 family of histone chaperone proteins and is similar to the anti-silencing function-1 gene in yeast. The protein is a key component of a histone donor complex that functions in nucleosome assembly. It interacts with histones H3 and H4, and functions together with a chromatin assembly factor during DNA replication and repair. [7]
ASF1A has been shown to interact with TLK1, [8] [9] TLK2, [8] CHAF1B [10] and CHAF1A. [10]
A nucleosome is the basic structural unit of DNA packaging in eukaryotes. The structure of a nucleosome consists of a segment of DNA wound around eight histone proteins and resembles thread wrapped around a spool. The nucleosome is the fundamental subunit of chromatin. Each nucleosome is composed of a little less than two turns of DNA wrapped around a set of eight proteins called histones, which are known as a histone octamer. Each histone octamer is composed of two copies each of the histone proteins H2A, H2B, H3, and H4.
Histone H3.1t is a protein that in humans is encoded by the HIST3H3 gene.
Histone H3.3 is a protein that in humans is encoded by the H3F3A and H3F3B genes. It plays an essential role in maintaining genome integrity during mammalian development.
Histone H3.2 is a protein that in humans is encoded by the HIST2H3C gene.
Centromere protein A, also known as CENPA, is a protein which in humans is encoded by the CENPA gene. CENPA is a histone H3 variant which is the critical factor determining the kinetochore position(s) on each chromosome in most eukaryotes including humans.
Chromatin assembly factor 1 subunit A is a protein that in humans is encoded by the CHAF1A gene.
Histone H4 is a protein that in humans is encoded by the HIST2H4A gene.
Chromatin assembly factor 1 subunit B is a protein that in humans is encoded by the CHAF1B gene.
Histone H3.1 is a protein in humans that is encoded by the H3C1 gene.
Histone H3.1 is a protein that in humans is encoded by the HIST1H3C gene.
Histone H4 is a protein that in humans is encoded by the HIST1H4F gene.
Histone chaperone ASF1B is a protein that in humans is encoded by the ASF1B gene.
Histone H3.1 is a protein that in humans is encoded by the HIST1H3E gene.
FACT is a heterodimeric protein complex that affects eukaryotic RNA polymerase II transcription elongation both in vitro and in vivo. It was discovered in 1998 as a factor purified from human cells that was essential for productive, in vitro Pol II transcription on a chromatinized DNA template.
Serine/threonine-protein kinase tousled-like 2 is an enzyme that in humans is encoded by the TLK2 gene.
Histone H3.1 is a protein that in humans is encoded by the HIST1H3J gene.
H2A histone family, member B3 is a protein that in humans is encoded by the H2AFB3 gene.
Chromatin assembly factor-1 (CAF-1) is a protein complex — including Chaf1a (p150), Chaf1b (p60), and p48 subunits in humans, or Cac1, Cac2, and Cac3, respectively, in yeast— that assembles histone tetramers onto replicating DNA during the S phase of the cell cycle.
H3K36me3 is an epigenetic modification to the DNA packaging protein Histone H3. It is a mark that indicates the tri-methylation at the 36th lysine residue of the histone H3 protein and often associated with gene bodies.
H3K56ac is an epigenetic modification to the DNA packaging protein Histone H3. It is a mark that indicates the acetylation at the 56th lysine residue of the histone H3 protein.