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Figure 1


Fig. 1. Comparison of the sequences coding for the two potential N-glycosylation sites, 894 and 900, in extracellular loop 4 of CFTR. Sequences of mammalian CFTRs were aligned using FASTA. Amino acids fitting the consensus N-X-S/T for asparagine-linked glycosylation are highlighted. X can be any amino acid residue other than proline (Imperiali and Hendrickson, 1995).