Sequence homology is the biological homology between DNA, RNA, or protein sequences, defined in terms of shared ancestry in the evolutionary history of...
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testicles of mammals, including humans. [citation needed] Sequence homology between protein or DNA sequences is similarly defined in terms of shared ancestry....
40 KB (4,069 words) - 20:34, 12 May 2025
Homological algebra (redirect from Long exact sequence in homology)
Homological algebra is the branch of mathematics that studies homology in a general algebraic setting. It is a relatively young discipline, whose origins...
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In mathematics, particularly algebraic topology and homology theory, the Mayer–Vietoris sequence is an algebraic tool to help compute algebraic invariants...
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usage of the term is to take the homology of a chain complex, resulting in a sequence of abelian groups called homology groups. This operation, in turn...
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effective than homology modeling in many cases. In practice, when the sequence identity in a sequence sequence alignment is low (i.e. <25%), homology modeling...
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from its amino acid sequence and an experimental three-dimensional structure of a related homologous protein (the "template"). Homology modeling relies on...
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Protein superfamily (redirect from Structural homology, protein)
inferred (see homology). Usually this common ancestry is inferred from structural alignment and mechanistic similarity, even if no sequence similarity is...
25 KB (2,622 words) - 17:14, 1 July 2025
spectral sequence is a means of computing homology groups by taking successive approximations. Spectral sequences are a generalization of exact sequences, and...
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recombination between genes with little to no sequence homology. These chimeras are fused via a linker sequence containing several restriction sites. This...
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the protein workbench STRAP. Sequence homology Sequence mining BLAST String searching algorithm Alignment-free sequence analysis UGENE Needleman–Wunsch...
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to: Homology (biology), any characteristic of biological organisms that is derived from a common ancestor Sequence homology, biological homology between...
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possible for multiple sequence alignments to be used to analyze and find evolutionary relationships through homology between sequences. Point mutations and...
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Cohomology (redirect from Extraordinary homology theory)
In mathematics, specifically in homology theory and algebraic topology, cohomology is a general term for a sequence of abelian groups, usually one associated...
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amino acid sequence (Leu-Gly-Ile-Trp-Gly-Cys-Ser-Gly-Lys-Leu-Ile-Cys) on gp41 of the HIV-1 virus (immunodominant region) shows sequence homology with a twelve...
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divided into three main classes (A, B, and C) with no detectable shared sequence homology between classes.[citation needed] The largest class by far is class...
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and significant sequence similarity. Sequence similarity (usually amino-acid sequence) is one of the most common indicators of homology, or common evolutionary...
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absolute homology group comes from which subspace. Given a subspace A ⊆ X {\displaystyle A\subseteq X} , one may form the short exact sequence 0 → C ∙...
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cells to undergo homology directed repair there must be present in the same nucleus a second DNA molecule containing sequence homology with the region...
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{\displaystyle E_{r}} -page. Similarly to the cohomology spectral sequence, there is one for homology: E p , q 2 = H p ( B , H q ( F ) ) ⇒ H p + q ( X ) . {\displaystyle...
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Chain complex (section Singular homology)
d^{n}/{\mbox{im }}d^{n-1}\right)} An exact sequence (or exact complex) is a chain complex whose homology groups are all zero. This means all closed elements...
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Signal peptide (redirect from Target sequence)
synthesized protein to the Sec61 channel, which shares structural and sequence homology with SecYEG, but is present in the endoplasmic reticulum. Both the...
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singular homology refers to the study of a certain set of algebraic invariants of a topological space X {\displaystyle X} , the so-called homology groups...
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A similar spectral sequence exists for group homology, as opposed to group cohomology, as well. Knudson, Kevin (2001). Homology of Linear Groups. Progress...
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their catalytic domains (CD) belonging to GH9 Family show highest sequence homology to metazoan endogenous cellulases. Algal cellulases are modular, consisting...
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study of relative homology; the Mayer–Vietoris sequence is another example. Long exact sequences induced by short exact sequences are also characteristic...
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spectral sequence relating Khovanov homology with the knot Floer homology of Peter Ozsváth and Zoltán Szabó (Dowlin 2018). This spectral sequence settled...
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characteristic 0, the Hodge–de Rham spectral sequence starting with Hochschild homology and abutting to periodic cyclic homology, degenerates: H H ∗ ( C / k ) [ u...
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means of computing homology groups by taking successive approximations. Spectral sequences are a generalization of exact sequences, and since their introduction...
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17β-estradiol and is a putative membrane estrogen receptor (mER). It shows sequence homology with ERα and ERβ and activates the MAPK/ERK pathway. The receptor...
2 KB (178 words) - 06:31, 2 November 2023