>4q3h_A mol:protein length:92 Na(+)/H(+) exchange regulatory cofactor NHE-RF1 SMLRPRLCTMKKGPSGYGFNLHSDKSKPGQFIRSVDPDSPAEASGLRAQDRIVEVNGVC MEGKQHGDVVSAIRAGGDETKLLVVDRETSTTL >4q3h_B mol:protein length:92 Na(+)/H(+) exchange regulatory cofactor NHE-RF1 SMLRPRLCTMKKGPSGYGFNLHSDKSKPGQFIRSVDPDSPAEASGLRAQDRIVEVNGVC MEGKQHGDVVSAIRAGGDETKLLVVDRETSTTL >4q3h_B mol:protein length:92 Na(+)/H(+) exchange regulatory cofactor NHE-RF1 SMLRPRLCTMKKGPSGYGFNLHSDKSKPGQFIRSVDPDSPAEASGLRAQDRIVEVNGVC MEGKQHGDVVSAIRAGGDETKLLVVDRETSTTL