>3VFK_1|Chain A|ubiquitin, C-terminal fused by Cys-Lys-D-Ala-D-Ala|Homo sapiens (9606) MQIFVKTLTGKTITLEVEPSDTIENVKAKIQDKEGIPPDQQRLIFAGKQLEDGRTLSDYNIQKESTLHLVLRLRGCKAA >3VFK_2|Chain B[auth G]|MonodeChloro- Teicoplanin A2-2|Actinoplanes teichomyceticus (1867) GYXGGYX