>sp|O94901-4|SUN1_HUMAN Isoform 4 of SUN domain-containing protein 1 OS=Homo sapiens OX=9606 GN=SUN1 MDFSRLHMYSPPQCVPENTGYTYALSSSYSSDALDFETEHKLDPVFDSPRMSRRSLRLAT TACTLGDGEAVGADSGTSSAVSLKNRAARTTKQRRSTNKSAFSINHVSV