NDUFS4 and age-related macular degeneration: Again, it is evident that while some proteins were associated with all AMD stages (e.g., CFHR1, NDUFS4), some were more, or only associated with early (e.g., LINGO1, RAB17) or late-stage AMD (e.g., BIRC2) (Supplementary Figs. 3 and 4).