>3NIS_1|Chains A, B, C[auth D], D[auth F]|E3 ubiquitin-protein ligase UBR1|Saccharomyces cerevisiae (4932) GSVHKHTGRNCGRKFKIGEPLYRCHECGCDDTCVLCIHCFNPKDHVNHHVCTDICTEFTSGICDCGDEEAWNSPLHCKAEEQ