>2M0U_1|Chain A|Na(+)/H(+) exchange regulatory cofactor NHE-RF1|Homo sapiens (9606) GIDPFTMLPRLCCLEKGPNGYGFHLHGEKGKLGQYIRLVEPGSPAEKAGLLAGDRLVEVNGENVEKETHQQVVSRIRAALNAVRLLVVDPETDEQLQKLGVQVREELLRAQEAPGQA >2M0U_2|Chain B|C-terminal CFTR peptide| QDTRL