Potassium channel tetramerization domain containing 8 XYRDDKIWSS YTEYIFFRSL TMSLCSILRL NIWLFMIACQ IKHESRCRTR ARCLAAGPPQ KIVSPKQEHE DRKHDKVTDK GSESGTSCNE LSTSSCDSHS EASTPQDNPS SAQQATAHQP NTLTLDRPSK KAPVQWIPPP DKRRNSELFQ TLISK