>sp|Q9Y587-4|AP4S1_HUMAN Isoform 4 of AP-4 complex subunit sigma-1 OS=Homo sapiens OX=9606 GN=AP4S1 MIKFFLMVNKQGQTRLSKYYEHVDINKRTLLETEVIKSCLSRSNEQCSFIEYKDFKLIYR QYAALFIVVGVNDTENEMAIYEFIHNFVEVLDEYFSRVSELDVSFFNTVFHSTWQMHSGP YQTRSCSVTQAGVQRCDHGSLHPGSPGLK