SMARCA5
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SMARCA5
SWI/SNF-related matrix-associated actin-dependent regulator of chromatin subfamily A member 5 is a protein that in humans is encoded by the ''SMARCA5'' gene. Function The protein encoded by this gene is a member of the ISWI family of proteins. Members of this family have helicase and ATPase activities and are thought to regulate transcription of certain genes by altering the chromatin structure around those genes. The protein encoded by this gene is a component of the chromatin remodeling and spacing factor RSF, a facilitator of the transcription of class II genes by RNA polymerase II. The encoded protein is similar in sequence to the Drosophila ISWI chromatin remodeling protein. Interactions SMARCA5 has been shown to interact with RAD21, Histone deacetylase 2, POLE3, SATB1 SATB1 (special AT-rich sequence-binding protein-1) is a protein which in humans is encoded by the ''SATB1'' gene. Function SATB1, the global chromatin organizer and transcription factor, has emerged ...
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Histone Deacetylase 2
Histone deacetylase 2 (HDAC2) is an enzyme that in humans is encoded by the ''HDAC2'' gene. It belongs to the histone deacetylase class of enzymes responsible for the removal of acetyl groups from lysine residues at the N-terminal region of the core histones (H2A, H2B, H3, and H4). As such, it plays an important role in gene expression by facilitating the formation of transcription repressor complexes and for this reason is often considered an important target for cancer therapy. Though the functional role of the class to which HDAC2 belongs has been carefully studied, the mechanism by which HDAC2 interacts with histone deacetylases of other classes has yet to be elucidated. HDAC2 is broadly regulated by protein kinase 2 (CK2) and protein phosphatase 1 (PP1), but biochemical analysis suggests its regulation is more complex (evinced by the coexistence of HDAC1 and HDAC2 in three distinct protein complexes). Essentially, the mechanism by which HDAC2 is regulated is still unclear b ...
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POLE3
DNA polymerase epsilon subunit 3 is an enzyme that in humans is encoded by the ''POLE3'' gene. POLE3 is a histone-fold protein that interacts with other histone-fold proteins to bind DNA in a sequence-independent manner. These histone-fold protein dimers combine within larger enzymatic complexes for DNA transcription, replication, and packaging. upplied by OMIMref name="entrez"> Interactions POLE3 has been shown to interact with SMARCA5 SWI/SNF-related matrix-associated actin-dependent regulator of chromatin subfamily A member 5 is a protein that in humans is encoded by the ''SMARCA5'' gene. Function The protein encoded by this gene is a member of the ISWI family of proteins. .... References Further reading

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SATB1
SATB1 (special AT-rich sequence-binding protein-1) is a protein which in humans is encoded by the ''SATB1'' gene. Function SATB1, the global chromatin organizer and transcription factor, has emerged as a key factor integrating higher-order chromatin architecture with gene regulation. Recent studies have unraveled the role of SATB1 in organization of chromatin 'loopscape' and its dynamic nature in response to physiological stimuli. At genome-wide level, SATB1 seems to play a role in organization of the transcriptionally poised chromatin. SATB1 organizes the MHC class-I locus into distinct chromatin loops by tethering MARs to nuclear matrix at fixed distances. Silencing of SATB1 mimics the effects of IFN-γ treatment on chromatin loop architecture of the MHC class I locus and altered expression of genes within the locus. SATB1 has also been shown to induce breast cancer tumor growth and metastasis through the altered expression of large numbers of genes. Clinical significance H ...
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Protein
Proteins are large biomolecules and macromolecules that comprise one or more long chains of amino acid residues. Proteins perform a vast array of functions within organisms, including catalysing metabolic reactions, DNA replication, responding to stimuli, providing structure to cells and organisms, and transporting molecules from one location to another. Proteins differ from one another primarily in their sequence of amino acids, which is dictated by the nucleotide sequence of their genes, and which usually results in protein folding into a specific 3D structure that determines its activity. A linear chain of amino acid residues is called a polypeptide. A protein contains at least one long polypeptide. Short polypeptides, containing less than 20–30 residues, are rarely considered to be proteins and are commonly called peptides. The individual amino acid residues are bonded together by peptide bonds and adjacent amino acid residues. The sequence of amino acid residue ...
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Gene
In biology, the word gene (from , ; "...Wilhelm Johannsen coined the word gene to describe the Mendelian units of heredity..." meaning ''generation'' or ''birth'' or ''gender'') can have several different meanings. The Mendelian gene is a basic unit of heredity and the molecular gene is a sequence of nucleotides in DNA that is transcribed to produce a functional RNA. There are two types of molecular genes: protein-coding genes and noncoding genes. During gene expression, the DNA is first copied into RNA. The RNA can be directly functional or be the intermediate template for a protein that performs a function. The transmission of genes to an organism's offspring is the basis of the inheritance of phenotypic traits. These genes make up different DNA sequences called genotypes. Genotypes along with environmental and developmental factors determine what the phenotypes will be. Most biological traits are under the influence of polygenes (many different genes) as well as gen ...
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RAD21
Double-strand-break repair protein rad21 homolog is a protein that in humans is encoded by the ''RAD21'' gene. ''RAD21'' (also known as ''Mcd1'', ''Scc1'', ''KIAA0078'', ''NXP1'', ''HR21''), an essential gene, encodes a DNA double-strand break (DSB) repair protein that is evolutionarily conserved in all eukaryotes from budding yeast to humans.  RAD21 protein is a structural component of the highly conserved cohesin complex consisting of RAD21, SMC1A, SMC3, and SCC3 STAG1 (SA1) and STAG2">STAG1.html" ;"title="STAG1">STAG1 (SA1) and STAG2 (SA2) in multicellular organisms] proteins, involved in Establishment of sister chromatid cohesion, sister chromatid cohesion. Discovery ''rad21'' was first cloned by Birkenbihl and Subramani in 1992 by complementing the radiation sensitivity of the ''rad21-45'' mutant fission yeast, ''Schizosaccharomyces pombe'', and the murine and human homologs of ''S. pombe'' rad21 were cloned by McKay, Troelstra, van der Spek, Kanaar, Smit, Hagemeijer, ...
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