• Thumbnail for Sequence homology
    Sequence homology is the biological homology between DNA, RNA, or protein sequences, defined in terms of shared ancestry in the evolutionary history of...
    41 KB (4,481 words) - 18:11, 24 June 2025
  • Thumbnail for Homology (biology)
    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
  • Thumbnail for Homological algebra
    Homological algebra is the branch of mathematics that studies homology in a general algebraic setting. It is a relatively young discipline, whose origins...
    27 KB (3,859 words) - 20:50, 8 June 2025
  • In mathematics, particularly algebraic topology and homology theory, the Mayer–Vietoris sequence is an algebraic tool to help compute algebraic invariants...
    26 KB (3,763 words) - 21:58, 25 June 2025
  • 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...
    54 KB (8,218 words) - 16:31, 22 June 2025
  • 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...
    15 KB (2,013 words) - 22:40, 5 September 2024
  • Thumbnail for Homology modeling
    from its amino acid sequence and an experimental three-dimensional structure of a related homologous protein (the "template"). Homology modeling relies on...
    40 KB (5,150 words) - 06:21, 9 June 2025
  • 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...
    51 KB (10,712 words) - 12:42, 11 March 2025
  • recombination between genes with little to no sequence homology. These chimeras are fused via a linker sequence containing several restriction sites. This...
    58 KB (7,430 words) - 23:57, 9 June 2025
  • Thumbnail for Sequence alignment
    the protein workbench STRAP. Sequence homology Sequence mining BLAST String searching algorithm Alignment-free sequence analysis UGENE Needleman–Wunsch...
    56 KB (6,913 words) - 09:31, 31 May 2025
  • to: Homology (biology), any characteristic of biological organisms that is derived from a common ancestor Sequence homology, biological homology between...
    2 KB (314 words) - 14:27, 22 May 2025
  • Thumbnail for Multiple sequence alignment
    possible for multiple sequence alignments to be used to analyze and find evolutionary relationships through homology between sequences. Point mutations and...
    49 KB (6,213 words) - 12:51, 15 September 2024
  • In mathematics, specifically in homology theory and algebraic topology, cohomology is a general term for a sequence of abelian groups, usually one associated...
    44 KB (7,049 words) - 20:46, 13 January 2025
  • 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...
    28 KB (4,123 words) - 10:55, 24 May 2025
  • Thumbnail for G protein-coupled receptor
    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...
    82 KB (9,408 words) - 20:56, 26 June 2025
  • Thumbnail for Protein family
    and significant sequence similarity. Sequence similarity (usually amino-acid sequence) is one of the most common indicators of homology, or common evolutionary...
    15 KB (1,571 words) - 06:50, 25 May 2025
  • 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 ∙...
    11 KB (2,477 words) - 05:48, 9 April 2025
  • Thumbnail for Homology directed repair
    cells to undergo homology directed repair there must be present in the same nucleus a second DNA molecule containing sequence homology with the region...
    9 KB (1,265 words) - 11:50, 29 October 2024
  • {\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...
    12 KB (2,641 words) - 13:35, 29 February 2024
  • 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...
    13 KB (2,115 words) - 03:35, 11 May 2025
  • synthesized protein to the Sec61 channel, which shares structural and sequence homology with SecYEG, but is present in the endoplasmic reticulum. Both the...
    15 KB (1,777 words) - 07:49, 20 May 2025
  • 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...
    22 KB (3,727 words) - 02:00, 23 April 2025
  • A similar spectral sequence exists for group homology, as opposed to group cohomology, as well. Knudson, Kevin (2001). Homology of Linear Groups. Progress...
    6 KB (984 words) - 08:16, 9 April 2025
  • Thumbnail for Cellulase
    their catalytic domains (CD) belonging to GH9 Family show highest sequence homology to metazoan endogenous cellulases. Algal cellulases are modular, consisting...
    28 KB (3,195 words) - 13:13, 1 July 2025
  • Thumbnail for Exact sequence
    study of relative homology; the Mayer–Vietoris sequence is another example. Long exact sequences induced by short exact sequences are also characteristic...
    16 KB (2,577 words) - 22:13, 30 December 2024
  • spectral sequence relating Khovanov homology with the knot Floer homology of Peter Ozsváth and Zoltán Szabó (Dowlin 2018). This spectral sequence settled...
    11 KB (1,505 words) - 21:37, 3 April 2025
  • characteristic 0, the Hodge–de Rham spectral sequence starting with Hochschild homology and abutting to periodic cyclic homology, degenerates: H H ∗ ( C / k ) [ u...
    7 KB (1,027 words) - 11:27, 9 June 2025
  • Thumbnail for Sequence
    means of computing homology groups by taking successive approximations. Spectral sequences are a generalization of exact sequences, and since their introduction...
    40 KB (6,176 words) - 07:08, 25 June 2025
  • 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