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All other gene segments between V and D segments are now deleted from the cell's genome. Primary transcript (unspliced RNA) is generated containing the VDJ region of the heavy chain and both the constant mu and delta chains (C μ and C δ). (i.e. the primary transcript contains the segments: V-D-J-C μ-C δ). The primary RNA is processed to add ...
The rearrangements of heavy-chains are different from the light chains because DNA undergoes rearrangements of V-D-J gene segments in the heavy chains. These reorganizations of gene segments produce gene sequence from 5 prime to 3 prime ends such as a short leader exon, an intron, a joined VDJ segment, a second intron and several gene segments.
Recombination signal sequences guide the enzyme complex to the V, D, and J gene segments that will undergo recombination during the formation of the heavy and light-chain variable regions in T-cell receptors and immunoglobulin molecules. [1]
The immunoglobulin heavy chain (IgH) is the large polypeptide subunit of an antibody (immunoglobulin). In human genome, the IgH gene loci are on chromosome 14. A typical antibody is composed of two immunoglobulin (Ig) heavy chains and two Ig light chains. Several different types of heavy chain exist that define the class or isotype of an ...
The J chain is a glycoprotein of molecular weight 15 kDa. Its secondary structure remains undetermined but is believed to adopt either a single β-barrel or two-domain folded structure with standard immunoglobulin domains. [10] The J chain's primary structure is unusually acidic having a high content of negatively charged amino acids. [11]
1791 21673 Ensembl ENSG00000107447 ENSMUSG00000025014 UniProt P04053 P09838 RefSeq (mRNA) NM_001017520 NM_004088 NM_001043228 NM_009345 RefSeq (protein) NP_001017520 NP_004079 NP_001036693 NP_033371 Location (UCSC) Chr 10: 96.3 – 96.34 Mb Chr 19: 41.02 – 41.05 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Terminal deoxynucleotidyl transferase (TdT), also known as DNA ...
English: The structure of a eukaryotic protein-coding gene. Regulatory sequence controls when and where expression occurs for the protein coding region (red). Promoter and enhancer regions (yellow) regulate the transcription of the gene into a pre-mRNA which is modified to add a 5' cap and poly-A tail (grey) and remove introns.
The primary structure of a biopolymer is the exact specification of its atomic composition and the chemical bonds connecting those atoms (including stereochemistry).For a typical unbranched, un-crosslinked biopolymer (such as a molecule of a typical intracellular protein, or of DNA or RNA), the primary structure is equivalent to specifying the sequence of its monomeric subunits, such as amino ...