The cystic fibrosis transmembrane conductance regulator (CFTR) is a 1480 amino acid membrane bound glycoprotein with a molecular mass of 170,000. It is a member of the ATP binding cassette (ABC)superfamily of proteins. The protein is comprised of two, six span membrane bound regions each connected to a nuclear binding factor which binds ATP. Between these two units is an R-domain which is comprised of many charged amino acids. The R-domain is a unique feature of CFTR within the ABC superfamily.

Put your mouse over the domain region in the following graph to view the summary of that domain, click to view the details.







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The Database was last updated at Apr 25, 2011