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. Author manuscript; available in PMC: 2016 Feb 26.
Published in final edited form as: Compr Physiol. 2014 Oct;4(4):1605–1637. doi: 10.1002/cphy.c130005

Table 3.

Amino Acid Residues in NBCe1 Identified as Sites for Ion Transport

Domain Residue Potential role Reference
Nt Arg298, Glu91 HCO3 permeation tunnel (58)
TM1 Ser427 Na+ binding or voltage sensor (91)
Ala428, Ala435, Thr442 Ion translocation in the pore (364)
TM5 Asp555 Anion selectivity (350)
Lys558 Pore entry or DIDS-binding site (346)
Lys559 DIDS-binding site (203)
EL4 not specified Electrogenicity (62)
TM6 not specified Functional unit (63)
TM8 L750 Ion translocation in the pore (210)
TM12 not specified Functional unit (63)