PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9573542-4 1998 The two exchangers have half-saturation constants (Km) for external sodium and sensitivities to dimethylamiloride, to HOE-694 and to cimetidine and clonidine consistant with the NHE-1 isoform on the basolateral cell surface and the NHE-2 isoform on the apical surface. Clonidine 148-157 sodium/hydrogen exchanger 1 Oryctolagus cuniculus 178-183