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AF6-RBDGST (residues 1-141)

GTP-H-Ras binding cytoplasmic protein, Afadin - Ras-binding domain

human, recombinant, E. coli

Cat. No. Amount Price (EUR) Buy / Note
PR-398 50 μg 212,18 Add to Basket/Quote Add to Notepad

For in vitro use only!

Shipping: shipped on blue ice

Storage Conditions: store at -20 °C
avoid freeze/thaw cycles

Shelf Life: 12 months

Accession number: NM_005936

Accession number: NM_005936

Purity: > 90 % (SDS-PAGE)

Form: liquid (Supplied in 25 mM HEPES pH 7.5, 50 mM NaCl, 1 mM EDTA and 50% glycerol)

The amino terminus of Af6 was identified as the Rasbinding site. Additionally to the Ras-binding Af6 also binds Rap. ZO-1, a protein involved in the formation of tight junctions, also binds to Af6 close to the amino terminus thereby competing with Ras binding. These data suggest a participation of Af6 in the regulation of cell-cell contacts via a Ras-modulated interaction with ZO-1. In contrast to the well characterized effectors Raf, RalGEF, and PI(3)kinase, Af6 is a protein with no enzymatic function. It seems to serve as a scaffolding component for protein complexes. This would represent a new type of Ras effector because Ras binding in this case does not lead to the activation of the enzymatic activity of the effector.

Selected References:
Linnemann et al. (1999) Thermodynamic and Kinetic Characterization of the Interaction between the Ras Binding Domain of AF6 and Members of the Ras Subfamily. J. Biol. Chem. 274:13556.
Steiner et al. (2000) Sequence-specific resonance assignment of the Ras-binding domain of AF6. J. Biomol. NMR. 18:73.