SEARCH Articles Figures Tables Cellular MHC class I proteins Class I MHC proteins Class II MHC proteins Class, Architecture, Topology CATH protein domain First class protein Four Classes of BCB Domain-Containing Proteins Heat-shock proteins classes Human Genome Database protein classes Large Heat-Labile Proteins (Class III) Major histocompatibility complex class I proteins Major histocompatibility complex proteins class Membranes proteins, classes Protein domain class Protein folding class prediction Protein folding classes Protein grouping into color classes Protein structural classes Protein tyrosine kinases classes Proteins, amphipathic helix classes Proteins, classes conjugated Proteins, classes contractile Proteins, classes derived Proteins, classes fibrillar Proteins, classes phospho Proteins, classes simple Proteins, classes soluble Second class protein