RPSBLAST alignment for GI: 254780273 and conserved domain: cd03291

>gnl|CDD|73050 cd03291, ABCC_CFTR1, The CFTR subfamily domain 1. The cystic fibrosis transmembrane regulator (CFTR), the product of the gene mutated in patients with cystic fibrosis, has adapted the ABC transporter structural motif to form a tightly regulated anion channel at the apical surface of many epithelia. Use of the term assembly of a functional ion channel implies the coming together of subunits, or at least smaller not-yet functional components of the active whole. In fact, on the basis of current knowledge only the CFTR polypeptide itself is required to form an ATP- and protein kinase A-dependent low-conductance chloride channel of the type present in the apical membrane of many epithelial cells. CFTR displays the typical organization (IM-ABC)2 and carries a characteristic hydrophilic R-domain that separates IM1-ABC1 from IM2-ABC2.. Length = 282
 Score = 52.3 bits (125), Expect = 3e-07
 Identities = 55/221 (24%), Positives = 97/221 (43%), Gaps = 31/221 (14%)

Query: 332 LIDNLSFKLPPGGIVGVIGPNGAGKTTLFRMLTGDESPDSGTI-HVGETVCLSYVDQSRD 390
           ++ N++ K+  G ++ + G  G+GKT+L  ++ G+  P  G I H G    +S+  Q   
Sbjct: 52  VLKNINLKIEKGEMLAITGSTGSGKTSLLMLILGELEPSEGKIKHSGR---ISFSSQF-- 106

Query: 391 SLEAEKTVWEDISGG--------DDIVKLNGHEINSRAYCSAFNFKGGDQQQRIGSLSGG 442
           S     T+ E+I  G          +VK    E +   +    N   G+      +LSGG
Sbjct: 107 SWIMPGTIKENIIFGVSYDEYRYKSVVKACQLEEDITKFPEKDNTVLGEGGI---TLSGG 163

Query: 443 QRGRVHLAKILKSGGNVILLDEPTNDLDTETLSALEDALENFAGCAVIISHDRMFLDRLA 502
           QR R+ LA+ +    ++ LLD P   LD  T    E  +     C ++ +  R+ +    
Sbjct: 164 QRARISLARAVYKDADLYLLDSPFGYLDVFT----EKEIFESCVCKLMANKTRILVTSKM 219

Query: 503 TH-------ILAFEGNGHVEWFEGNFEEYEKDKLSRSSRVL 536
            H       ++  EG+    +F G F E +  +   SS+++
Sbjct: 220 EHLKKADKILILHEGSS---YFYGTFSELQSLRPDFSSKLM 257