https://www.ncbi.nlm.nih.gov/Structure/pdb/6QIP
6QIP: Ternary complex of FcRn ectodomain, FcRn binding optimised human serum albumin and the...
Beta-2-microglobulinIgG receptor FcRn large subunit p51Serum albumin2-(N-MORPHOLINO)-ETHANESULFONIC ACIDBETA-MERCAPTOETHANOLCYSTEINESomapacitan