>6EZI_1|Chain A|Na(+)/H(+) exchange regulatory cofactor NHE-RF3|Homo sapiens (9606) SMHKPKLCRLAKGENGYGFHLNAIRGLPGSFIKEVQKGGPADLAGLEDEDVIIEVNGVNVLDEPYEKVVDRIQSSGKNVTLLVCGKKAY >6EZI_2|Chain B|Solute carrier family 15 member 2|Homo sapiens (9606) IKLETKKTKL