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In the two- and three-domain systems, this puts them into a separate domain. There is a great deal of diversity in the domain Bacteria. That diversity is further confounded by the exchange of genes between different bacterial lineages. The occurrence of duplicate genes between otherwise distantly-related bacteria makes it nearly impossible to ...
A Link domain or Link module, also known as Xlink domain (X for extracellular), is a protein domain that binds to hyaluronic acid. [1] It is important in blood cell migration and apoptosis . [ 2 ] The link domain is found in some extracellular proteins in vertebrates such as the hyalectans . [ 3 ]
LIM domains are protein structural domains, composed of two contiguous zinc fingers, separated by a two-amino acid residue hydrophobic linker. [1] The domain name is an acronym of the three genes in which it was first identified (LIN-11, Isl-1 and MEC-3). [ 2 ]
The three-domain system adds a level of classification (the domains) "above" the kingdoms present in the previously used five- or six-kingdom systems.This classification system recognizes the fundamental divide between the two prokaryotic groups, insofar as Archaea appear to be more closely related to eukaryotes than they are to other prokaryotes – bacteria-like organisms with no cell nucleus.
The WW domain is known to mediate regulatory protein complexes in various signaling networks, including the Hippo signaling pathway. [15] The importance of WW domain-mediated complexes in signaling was underscored by the characterization of genetic syndromes that are caused by loss-of-function point mutations in the WW domain or its cognate ligand.
Unique factorization domain, an integral domain in which every non-zero element can be written as a product of irreducible elements in essentially a unique way; Domain of a function, the set of input values for which the (total) function is defined Domain of definition of a partial function; Natural domain of a partial function
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In molecular biology, the FERM domain (F for 4.1 protein, E for ezrin, R for radixin and M for moesin) is a widespread protein module involved in localising proteins to the plasma membrane. [1] FERM domains are found in a number of cytoskeletal -associated proteins that associate with various proteins at the interface between the plasma ...