>9u9s_S mol:protein length:144 AP-4 complex subunit sigma-1MIKFFLMVNKQGQTRLSKYYEHVDINKRTLLETEVIKSCLSRSNEQCSFIEYKDFKLIYRQYAALFIVVGVNDTENEMAIYEFIHNFVEVLDEYFSRVSELDIMFNLDKVHIILDEMVLNGCIVETNRARILAPLLILDKMSES