Protein-protein interactions
Studying protein-protein interaction is important to understanding the physical and functional interactions between molecules.String Database uses genomic context, high-throughput experiments, and previous knowledge to predict the interactions of proteins.
STRING identified a series of other proteins that interact with GABRB3 [1]. There were no "clusters" of proteins that appeared to be separate from other clusters. All proteins that were identified interacted with each other as well as GABRB3. From this we can speculate that all these proteins function as a unit with a similar function or that they're all essential to each other's purpose.
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GABRB3 encodes for a subunit of a chloride channel that acts as a receptor for the major inhibitor neurotransmitter. This protein interacts with other proteins that also encode for the other subunits that make up the chloride channel. While GABRB3 encodes for one Beta subunit. The other associated proteins encode for the Alpha and Gamma subunits.
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References:
1. STRING: http://string-db.org/
1. STRING: http://string-db.org/