>4nri_B mol:protein length:156 Ubiquitin-conjugating enzyme E2 NGPLGSPEFGLPRRIIKETQRLLAEPVPGIKAEPDESNARYFHVVIAGPQDSPFEGGTFKLELFLPEEYPMAAPKVRFMTKIYHPNVDKLGRICLDILKDKWSPALQIRTVLLSIQALLSAPNPDDPLGNDVAEQWKTNEAQAIETARAWTRLYAMN