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This particular function is considered a scaffold's most basic function. Scaffolds assemble signaling components of a cascade into complexes. This assembly may be able to enhance signaling specificity by preventing unnecessary interactions between signaling proteins, and enhance signaling efficiency by increasing the proximity and effective concentration of components in the scaffold complex.
SCRIB, also known as Scribble, SCRIBL, or Scribbled homolog (Drosophila), is a scaffold protein which in humans is encoded by the SCRIB gene. [5] [6] It was originally isolated in Drosophila melanogaster in a pathway (also known as the Scribble complex) with DLGAP5 (Discs large) and LLGL1 (Lethal giant larvae) as a tumor suppressor. [7]
The original Affibody protein scaffold was designed based on the Z domain (the immunoglobulin G binding domain) of protein A. These molecules are the newly developed class of scaffold proteins derived from the randomization of 13 amino acids located in two alpha helices involved in the binding activity of the parent protein domain. Lately ...
Ste5 is a MAPK scaffold protein involved in the mating of yeast. The active complex is formed by interactions with the MAPK Fus3 , the MAPK kinase (MAPKK) Ste7, and the MAPKK kinase Ste11. After the induction of mating by an appropriate mating pheromone (either a-factor or α –factor) Ste5 and its associated proteins are recruited to the ...
Scaffold (chemistry), the core structure of a compound or a class of compounds; Scaffold protein, a regulator of cell signalling pathways; Scaffold, a protein that is used as a starting point for the design of antibody mimetics; Tissue scaffold, in tissue engineering, an artificial structure capable of supporting three-dimensional tissue formation
In biology, the chromosome scaffold is the backbone that supports the structure of the chromosomes. It is composed of a group of non-histone proteins that are essential in the structure and maintenance of eukaryotic chromosomes throughout the cell cycle. These scaffold proteins are responsible for the condensation of chromatin during mitosis. [1]
Zonula Occludin 1 (ZO-1) serves as the scaffolding protein for the tight junction. This means that it directly links the tight junction proteins to the f-actin cytoskeleton. In addition to anchoring claudins, occludin, and JAMs to the apical region of the cell membrane, ZO-1 has also been implicated in important cellular processes such as ...
Ras GTPase-activating-like protein IQGAP1 (IQGAP1) also known as p195 is a ubiquitously expressed protein that in humans is encoded by the IQGAP1 gene. [5] [6] [7] IQGAP1 is a scaffold protein involved in regulating various cellular processes ranging from organization of the actin cytoskeleton, transcription, and cellular adhesion to regulating the cell cycle.