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DNA nanotechnology is the field that seeks to design nanoscale structures using the molecular recognition properties of DNA molecules. [178] DNA nanotechnology uses the unique molecular recognition properties of DNA and other nucleic acids to create self-assembling branched DNA complexes with useful properties. [179]
Protein–DNA interactions occur when a protein binds a molecule of DNA, often to regulate the biological function of DNA, usually the expression of a gene. Among the proteins that bind to DNA are transcription factors that activate or repress gene expression by binding to DNA motifs and histones that form part of the structure of DNA and bind ...
DnaA is a protein that activates initiation of DNA replication in bacteria. [1] Based on the Replicon Model, a positively active initiator molecule contacts with a particular spot on a circular chromosome called the replicator to start DNA replication. [2] It is a replication initiation factor which promotes the unwinding of DNA at oriC. [1]
In molecular biology, [1] [2] [3] DNA replication is the biological process of producing two identical replicas of DNA from one original DNA molecule. [4] DNA replication occurs in all living organisms acting as the most essential part of biological inheritance .
A second version of the central dogma is popular but incorrect. This is the simplistic DNA → RNA → protein pathway published by James Watson in the first edition of The Molecular Biology of the Gene (1965). Watson's version differs from Crick's because Watson describes a two-step (DNA → RNA and RNA → protein) process as the central ...
18538 Ensembl ENSG00000132646 ENSMUSG00000027342 UniProt P12004 P17918 RefSeq (mRNA) NM_182649 NM_002592 NM_011045 RefSeq (protein) NP_002583 NP_872590 NP_035175 Location (UCSC) Chr 20: 5.11 – 5.13 Mb Chr 2: 132.09 – 132.1 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Cryo-EM structure of the DNA-bound PolD–PCNA processive complex Proliferating cell nuclear antigen (PCNA) is ...
10923 20024 Ensembl ENSG00000113387 ENSMUSG00000022205 UniProt P53999 P11031 RefSeq (mRNA) NM_006713 NM_011294 RefSeq (protein) NP_006704 NP_035424 Location (UCSC) Chr 5: 32.53 – 32.6 Mb Chr 15: 11.98 – 12 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Activated RNA polymerase II transcriptional coactivator p15 also known as positive cofactor 4 (PC4) or SUB1 homolog is a protein ...
Although DNA is a double-stranded molecule, typically only one of the strands encodes information that the RNA polymerase reads to produce protein-coding mRNA or non-coding RNA. This 'sense' or 'coding' strand, runs in the 5' to 3' direction where the numbers refer to the carbon atoms of the backbone's ribose sugar.