subunit


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sub·u·nit

(sŭb'yū-nit),
1. A unit that forms a distinct part of a larger structure.
See also: monomer.
2. The single protein or polypeptide chain that can be separated from an oligomer protein without cleaving covalent bonds other than disulfide bridges between cysteinyl residues.
3. A single biopolymer separated from a larger multimeric structure.
Farlex Partner Medical Dictionary © Farlex 2012

subunit

(sub'u?nit)
In chemistry, a portion of a compound that represents a smaller part of the molecule than the remainder of the substance.
See: beta subunit
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
Alshahwan et al., "Severe infantile encephalomyopathy caused by a mutation in COX6B1, a nucleus-encoded subunit of cytochrome c oxidase," American Journal of Human Genetics, vol.
De Marchi et al., "Role of the c subunit of the FO ATP synthase in mitochondrial permeability transition," Cell Cycle, vol.
Immunohistochemical localization of the G-protein subunit Galphaq (GNAQ) protein within sheep testis and epididymis.
* The report reviews Interleukin-2 Receptor Subunit Alpha (IL-2 Receptor Subunit Alpha or TAC Antigen or p55 or CD25) targeted therapeutics under development by companies and universities/research institutes based on information derived from company and industry-specific sources
Changes in expression during regeneration (48 h after transection) of the [alpha]238305 subunit and two of the [beta] integrin subunits, [beta]143492 and [beta]80868, were examined by quantitative PCR.
Experiments with human beta cells showed that the release of insulin deteriorates with increased amounts of the ss3 subunit. "Our findings indicate that just this building block in the calcium channel can be a new target for treating diabetes," says Per-Olof Berggren.
HMW glutenin subunit composition and bread making quality of Austrian grown wheats.
For this, an experimental bench was settled, consisting of a public water supply reservoir with 5.6 [m.sup.3] (1), a swine effluent reservoir with 7.0 [m.sup.3] (2), two pump sets of 3 CV each (3), one disc filter with apertures of 130 [down arrow]m (4A), one sieve with a screen with openings of 47 [down arrow]m (4B), a main line in 32 mm PVC (5), a branch line in 32 mm PVC (6), four pressure regulating valves of 105 kPa (7), dripper units operating with effluent application times of swine effluent -ES and public water supply - AAP (U1 - 1h of EF plus 3h of AAP, U2 - 2h of EF plus 2h of AAP, U3 - 3h of EF plus 1h of AAP, U4 - 4h of ES) and 12 drip subunits equipped with emitters G1, G2 and G3, as shown in Figure 1.
Nakamura, "Allelic variation at high-molecular-weight glutenin subunit loci, Glu-A1, Glu-B1 and Glu-D1, in Japanese and Chinese hexaploid wheats," Euphytica, vol.
During prenatal life, NMDARs containing GluN2B subunit (GluN2B-NMDAR) are predominant, being GluN2B the major regulatory subunit expressed along embryonic development in studied mammals [14].
This transcription factor with a heterodimeric structure comprised an oxygen-regulated a subunit (HIF-[alpha]), and a constitutively expressed [beta] subunit (Semenza 2000) is translocated to the nucleus during hypoxia, where it binds to specific DNA sequences to regulate a large number of genes implicated in energetic metabolism, including 6-phosphofructo-2-kinase, fructose-2,6-biphosphatase 3 and 4, and COX subunits 4-1 (Minchenko et al.
Apart from these syndromic CCH causes, isolated CCH can be caused by mutations of the thyrotropin-releasing hormone (TRH) receptor, the least frequent one, or of TSH-beta (TSHB) subunit genes.