Respuesta :
The hydrophobicity plot tells us about the location of transmembrane helices.
What is hydrophobicity plot?
- Hydrophobicity plots are used to predict the location of turns in proteins.
- In 1982, Kyte and Doolittle gave a hydrophobicity scale which gives each amino acid a hydrophobicity value.
- A hydrophobicity plot is drawn between the residue number versus residue hydrophobicity.
- These hydropathy plots are used to determine the transmembrane helices of proteins.
- The transmembrane helices are present in the non polar area (hydrophobic) of the lipid membrane whereas the other parts are present in polar areas (hydrophilic).
- Thus by computing the hydrophobicity value and plotting it on a graph we can find the loops and turns in proteins.
- Nowadays there are many hydrophobicity scales determining the hydrophobicity value of amino acids.
Learn about amino acids here:
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