>6Z20_1|Chains A, C|CD9 antigen|Homo sapiens (9606)
GSKDEVIKEVQEFYKDTYNKLKTKDEPQRETLKAIHYALNCCGLAGGVEQFISDICPKKDVLETFTVKSCPDAIKEVFDNAAAHHHHHH
>6Z20_2|Chains B, D|Nanobody 4C8|Lama glama (9844)
EVQLVESGGGLVQAGGSLRLSCAASGRTFSDYVMGWFRQAPGKERTFVARIGWSGDLTYYADSVKGRFTISRDNAKNTVYLQMNSLKPEDTAIYYCAADERWGTGGKFDYWGQGTQVTVSSHGSGLVPR