Protein
Sodium bicarbonate cotransporter 3
Organism
Rattus norvegicus
Function
Electroneutral sodium- and bicarbonate-dependent cotransporter with a Na(+):HCO3(-) 1:1 stoichiometry. Regulates intracellular pH and may play a role in bicarbonate salvage in secretory epithelia. May also have an associated sodium channel activity.
Similarity
Belongs to the anion exchanger (TC 2.A.31) family.
Sequence
MEADGAGEQMRPLLTRGPDEEAVVDLGKTSSTVNTKFEKEELESHRAVYVGVHVPFSKESRRRHRHRGHKHHHRRRKDKDSDKEDGRESPSYDTPSQRVQFILGTEDDDEEHIPHDLFTEMDELCYRDGEEYEWKETARWLKFEEDVEDGGDRWSKPYVATLSLHSLFELRSCILNGTVMLDMRASTLDEIADMVLDNMIASGQLDDSIRENVREALLKRHHHQNEKRFTSRIPLVRSFADIGKKHSDPHLLERNGEGLSASRHSLRTGLSASNLSLRGESPLSLLLSHLLPSSRAGTPAGSRCTTPVPTPQNSPPSSPSLSRLTSRSSQQTQPQAPEVLVSPDRDDIPRVVIHPPEEDIEALKGQEQKNEENTDFTPGILASPQSAPGNLDSSKSGEVKGNGSGGSRENSTVDFSKVDMNFMRKIPTGAEASNVLVGEVDFLERPIIAFVRLAPAVLLSGLTEVPVPTRFLFLLLGPAGKAPQYHEIGRSIATLMTDEIFHDVAYKAKDRNDLLSGIDEFLDQVTVLPPGEWDPSIRIEPPKSVPSQEKRKIPAFPNGSAPVSADPPKEADHHAGPELQRTGRLFGGLILDIKRKAPFFLSDFKDALSLQCLASILFLYCACMSPVITFGGLLGEATEGRISAIESLFGASLTGIAYSLFAGQPLTILGSTGPVLVFEKILFKFCRDYHLSYLSLRTSIGLWTSFLCIVLVATDASSLVCYITRFTEEAFAALICIIFIYEALEKLFHLGEIYAFNMHNNLDALTSYTCVCAEPSNPSNETVELWERKNVTAASISWANLTVSECKTFHGMFVGSACGPHGPYVPDVLFWCVVLFFTTFFLSSFLKQFKTKRYFPTKVRSTISDFAVFLTIVIMVAIDYLVGIPSPKLHVPEKFEPTDPSRGWIISPLGDNPWWTLLIAAVPALLCTILIFMDQQITAVIINRKEHKLKKGAGYHLDLLMVAVMLGVCSIMGLPWFVAATVLSISHVNSLKVESECSAPGEQPKFLGIREQRVTGLMIFILMGLSVFMTSVLKFIPMPVLYGVFLYMGVSSLKGIQFFDRIKLFGMPAKHQPDLIYLRYVPLWKVHVFTVVQLTCLVLLWVIKASAAAVVFPMMVLALVFVRKLMDLCFTKRELSWLDDLMPESKKKKEDDKKKKEKEEAERMLQGDGDTVHLPFERGSLLQIPVKTLKYSPEKPVSVTINFEDEPSKKYMDAETSL