Transporters and ion channels

An isolated polypeptide selected from the group consisting of:

• a) a polypeptide comprising an amino acid sequence selected from the group consisting of SEQ ID NO:
• 1-15,
• b) a naturally occurring polypeptide comprising an amino acid sequence at least 90% identical to an amino acid sequence selected from the group consisting of SEQ ID NO:
• 1. SEQ ID NO:
• 4 and SEQ ID NO:
• 6-15,
• c) a naturally occurring polypeptide comprising an amino acid sequence at least 92% identical to the amino acid sequence of SEQ ID NO:
• 2,
• d) a naturally occurring polypeptide comprising an amino acid sequence at least 96% identical to the amino acid sequence of SEQ ID NO:
• 3,
• e) a naturally occurring polypeptide comprising an amino acid sequence at least 99% identical to the amino acid sequence of SEQ ID NO:
• 5,
• f) a biologically active fragment of a polypeptide having an amino acid sequence selected from the group consisting of SEQ ID NO:
• 1-15, and
• g) an immunogenic fragment of a polypeptide having an amino acid sequence selected from the group consisting of SEQ ID NO:
• 1-15.