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.

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
References in periodicals archive ?
Phylogenetic analysis indicated that the Bdor[alpha]6 was most closely related to D[alpha]6 and Agam[alpha]6 with these 3 subunits clustering together, and also showed the relationships with different subunits from other species.
By locking the subunits together, the researchers were able to achieve a marked reduction in NMDA activity and, subsequently, in the amount of calcium that enters neurons in response to the neurotransmitter glutamate.
This receptor has been identified as the toxin co-regulated pilus (TCP), a pilus of approximately 8 nm in diameter and 1-4 mm in length, which is composed of some 1000 interwoven TcpA subunits (14).
Additionally, both subunits make the same decision as would top centralized management if they possessed all available information.
It is a multisubunit enzyme with up to 14 subunits in higher plants [26,46].
This study of Latin American banks located in the United States employs a resource-based framework to explain how subunits of emerging market firms can overcome the challenges of operating in a developed market.
The GABAA receptor complex is a macromolecule made up of five subunits.
Viral gene transfer was used to alter expression of GABA receptor a-1 subunits and GAD production to study effects on the audiogenic seizure (AGS) model for epilepsy.
Replacement of entire subunits with a flap results in a superior cosmetic outcome.