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ING1
Inhibitor of growth protein 1 is a protein that in humans is encoded by the ''ING1'' gene. Function This gene encodes a tumor suppressor protein that can induce cell growth arrest and apoptosis. The encoded protein is a nuclear protein that physically interacts with the tumor suppressor protein TP53 and is a component of the p53 signaling pathway. Reduced expression and rearrangement of this gene have been detected in various cancers. Multiple alternatively spliced transcript variants encoding distinct isoforms have been reported. One of the isoforms of ING1 (p33(ING1) is involved in the modulation of DNA repair. It appears that p33(ING1) cooperates with p53 in nucleotide excision repair. Also, proliferating cell nuclear antigen (PCNA) interacts with p33(ING1b) in the elimination of UV-damaged cells through the induction of programmed cell death (apoptosis). Location on Chromosome 13 ING1 is located near the following genes on Chromosome 13 *CARKD Carbohydrate Kinase Domain-C ...
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SAP30
Sin3A-associated protein, 30kDa, also known as SAP30, is a protein which in humans is encoded by the SAP30 gene. Function Histone acetylation plays a key role in the regulation of eukaryotic gene expression. Histone acetylation and deacetylation are catalyzed by multisubunit complexes. The protein encoded by this gene is a component of the histone deacetylase complex, which includes SIN3A, SAP18, HDAC1, HDAC2, RBBP7, RbAp46, RBBP4, RbAp48, and other polypeptides. This complex is active in deacetylating core histone octamers, but inactive in deacetylating nucleosomal histones. A pseudogene of this gene is located on chromosome 3. Mammals have one paralog of SAP30, named SAP30-like (SAP30L), which shares 70% sequence identity with SAP30. SAP30 and SAP30L together constitute a well-conserved SAP30 protein family. Also SAP30L interacts with several components of the Sin3A corepressor complex and induces transcriptional repression via recruitment of Sin3A and histone deacetylases. ...
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HDAC1
Histone deacetylase 1 (HDAC1) is an enzyme that in humans is encoded by the ''HDAC1'' gene. Function Histone acetylation and deacetylation, catalyzed by multisubunit complexes, play a key role in the regulation of eukaryotic gene expression. The protein encoded by this gene belongs to the histone deacetylase/acuc/apha family and is a component of the histone deacetylase complex. It also interacts with retinoblastoma tumor-suppressor protein and this complex is a key element in the control of cell proliferation and differentiation. Together with metastasis-associated protein-2 MTA2, it deacetylates p53 and modulates its effect on cell growth and apoptosis. Interactions HDAC1 has been shown to interact with: * Androgen receptor, * BCL6, * BTG2, * BUB1B, * BUB1, * BUB3, * CBFA2T3, * CDC20, * CDH1, * CHD3, * CHD4, * COUP-TFII, * CTBP1, * DDX17, * DDX5, * DNMT3A, * DNMT3L, * Death-associated protein 6, * EED, * EVI1, * EZH2, * FKBP3, * GATA1, * ...
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PCNA
Proliferating cell nuclear antigen (PCNA) is a DNA clamp that acts as a processivity factor for DNA polymerase delta, DNA polymerase δ in eukaryotic cell (biology), cells and is essential for replication. PCNA is a homotrimer and achieves its processivity by encircling the DNA, where it acts as a scaffold to recruit proteins involved in DNA replication, DNA repair, chromatin remodeling and epigenetics. Many proteins interact with PCNA via the two known PCNA-interacting motifs PCNA-interacting peptide (PIP) box and AlkB homologue 2 PCNA interacting motif (APIM). Proteins binding to PCNA via the PIP-box are mainly involved in DNA replication whereas proteins binding to PCNA via APIM are mainly important in the context of genotoxic stress. Function The protein encoded by this gene is found in the nucleus and is a cofactor of DNA polymerase delta. The encoded protein acts as a homotrimer and helps increase the processivity of leading strand synthesis during DNA replication. In ...
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SIN3A
Paired amphipathic helix protein Sin3a is a protein that in humans is encoded by the ''SIN3A'' gene. Function The protein encoded by this gene is a transcriptional regulatory protein. It contains paired amphipathic helix (PAH) domains, which are important for protein-protein interactions and may mediate repression by the Mad-Max complex. Interactions SIN3A has been shown to interact with: * CABIN1 * HBP1, * HDAC1, * HDAC9, * Histone deacetylase 2, * Host cell factor C1, * IKZF1, * ING1, * KLF11, * MNT, * MXD1, * Methyl-CpG-binding domain protein 2, * Nuclear receptor co-repressor 2, * OGT, * PHF12, * Promyelocytic leukemia protein, * RBBP4, * RBBP7, * SAP130, * SAP30, * SMARCA2, * SMARCA4, * SMARCC1, * SUDS3, * TAL1 __NOTOC__ T-cell acute lymphocytic leukemia protein 1 (i.e. TAL1 but also termed stem cell leukemia/T-cell acute leukemia 1 .e. SCL/TAL1 is a protein that in humans is encoded by the ''TAL1'' gene. The protein enco ...
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SMARCA4
Transcription activator BRG1 also known as ATP-dependent chromatin remodeler SMARCA4 is a protein that in humans is encoded by the ''SMARCA4'' gene. Function The protein encoded by this gene is a member of the SWI/SNF family of proteins and is similar to the brahma protein of Drosophila. 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 encoded protein is part of the large ATP-dependent chromatin remodeling complex SWI/SNF, which is required for transcriptional activation of genes normally repressed by chromatin. In addition, this protein can bind BRCA1, as well as regulate the expression of the tumorigenic protein CD44. BRG1 works to activate or repress transcription. Having functional BRG1 is important for development past the pre-implantation stage. Without having a functional BRG1, exhibited with knockout research, the embryo will not hatch ...
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SMARCC1
SWI/SNF complex subunit SMARCC1 is a protein that in humans is encoded by the ''SMARCC1'' gene. Function The protein encoded by this gene is a member of the SWI/SNF family of proteins, whose members display helicase and ATPase activities and which are thought to regulate transcription of certain genes by altering the chromatin structure around those genes. The encoded protein is part of the large ATP-dependent chromatin remodeling complex SWI/SNF and contains a predicted leucine zipper motif typical of many transcription factors. Interactions SMARCC1 has been shown to interact with: * BAZ1B, * ING1, * SIN3A, * SMARCA2, * SMARCA4, and * SMARCB1 SWI/SNF-related matrix-associated actin-dependent regulator of chromatin subfamily B member 1 is a protein that in humans is encoded by the ''SMARCB1'' gene. Function The protein encoded by this gene is part of a complex that relieves repress .... References Further reading * * * * * * * * * * * * * ...
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CARKD (gene)
Carbohydrate kinase domain containing protein (abbreviated as CARKD), encoded by CARKD gene, is a human protein of unknown function. The CARKD gene encodes proteins with a predicted mitochondrial propeptide (mCARKD), a signal peptide (spCARKD) or neither of them (cCARKD). Confocal microscopy analysis of transfected CHO (Chinese-hamster ovary) cells indicated that cCARKD remains in the cytosol, whereas mCARKD and spCARKD are targeted to the mitochondria and the endoplasmic reticulum respectively. The protein is conserved throughout many species, and has predicted orthologs through eukaryotes, bacteria, and archea. __TOC__ Structure Gene Human CARKD gene has 10 exons and resides on Chromosome 13 at q34. The following genes are near CARKD on the chromosome: * COL4A2: A2 Subunit of type IV collagen * RAB20: Potential regulator of Connexin 43 trafficking. * CARS2: Mitochondrial Cystienyl-tRNA Synthetase 2 * ING1: Tumor-Suppressor Protein Protein This protein is part of the ...
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DMAP1
DNA methyltransferase 1-associated protein 1 is an enzyme that in humans is encoded by the ''DMAP1'' gene. Function This gene encodes a subunit of several, distinct complexes involved in the repression or activation of transcription. The encoded protein can independently repress transcription and is targeted to replication foci throughout S phase by interacting directly with the N-terminus of DNA methyltransferase 1. During late S phase, histone deacetylase 2 is added to this complex, providing a means to deacetylate histones in transcriptionally inactive heterochromatin following replication. The encoded protein is also a component of the nucleosome acetyltransferase of H4 complex and interacts with the transcriptional corepressor tumor susceptibility gene 101 and the pro-apoptotic death-associated protein 6, among others. Alternatively spliced transcript variants encoding the same protein have been described. Interactions DMAP1 has been shown to Protein-protein interaction ...
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Protein
Proteins are large biomolecules and macromolecules that comprise one or more long chains of amino acid residue (biochemistry), residues. Proteins perform a vast array of functions within organisms, including Enzyme catalysis, catalysing metabolic reactions, DNA replication, Cell signaling, responding to stimuli, providing Cytoskeleton, structure to cells and Fibrous protein, organisms, and Intracellular transport, transporting molecules from one location to another. Proteins differ from one another primarily in their sequence of amino acids, which is dictated by the Nucleic acid sequence, nucleotide sequence of their genes, and which usually results in protein folding into a specific Protein structure, 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 pep ...
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Gene
In biology, the word gene has two meanings. The Mendelian gene is a basic unit of heredity. 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 non-coding genes. During gene expression (the synthesis of Gene product, RNA or protein from a gene), DNA is first transcription (biology), copied into RNA. RNA can be non-coding RNA, directly functional or be the intermediate protein biosynthesis, template for the synthesis of a protein. The transmission of genes to an organism's offspring, is the basis of the inheritance of phenotypic traits from one generation to the next. These genes make up different DNA sequences, together called a genotype, that is specific to every given individual, within the gene pool of the population (biology), population of a given species. The genotype, along with environmental and developmental factors, ultimately determines the phenotype ...
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Chromosome 13
Chromosome 13 is one of the 23 pairs of chromosomes in humans. People normally have two copies of this chromosome. Chromosome 13 spans about 113 million base pairs (the building material of DNA) and represents between 3.5 and 4% of the total DNA in cell (biology), cells. Genes Number of genes The following are some of the gene count estimates of human chromosome 13. Because researchers use different approaches to genome annotation their predictions of the number of genes on each chromosome varies (for technical details, see gene prediction). Among various projects, the collaborative consensus coding sequence project (Consensus CDS Project, CCDS) takes an extremely conservative strategy. So CCDS's gene number prediction represents a lower bound on the total number of human protein-coding genes. Gene list The following is a partial list of genes on human chromosome 13. For complete list, see the link in the infobox on the right. Diseases and disorders The following diseases ...
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COL4A2
Collagen alpha-2(IV) chain is a protein that in humans is encoded by the ''COL4A2'' gene. This gene encodes one of the six subunits of type IV collagen, the major structural component of basement membranes. The C-terminal portion of the protein, known as canstatin, is an inhibitor of angiogenesis and tumor A neoplasm () is a type of abnormal and excessive growth of tissue. The process that occurs to form or produce a neoplasm is called neoplasia. The growth of a neoplasm is uncoordinated with that of the normal surrounding tissue, and persists ... growth. Like the other members of the type IV collagen gene family, this gene is organized in a head-to-head conformation with another type IV collagen gene so that each gene pair shares a common promoter. References Further reading * * * * * * * * * * * * * * * * * * Collagens {{gene-13-stub ...
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