>gi|163660387 ubiquitin-conjugating enzyme E2K isoform 3 [Homo sapiens] MANIAVQRIKREFKEVLKSEEVRFITKIWHPNISSVTGAICLDILKDQWA AAMTLRTVLLSLQALLAAAEPDDPQDAVVANQYKQNPEMFKQTARLWAHV YAGAPVSSPEYTKKIENLCAMGFDRNAVIVALSSKSWDVETATELLLSN