(b) β-sheet. static

Common supersecondary structures:
α-helix hairpin. static

β-hairpin. static

β-α-β unit. static

(a) rice embryo cytochrome c [1ccr]. static

(b) mannose-specific agglutinin (lectin) [1npl]. static

(c) TATA-box-binding protein core domain (black) binding DNA (red) [1cdw]. static

(d) thiamin phosphate synthase [2tps]. static

(e) puk/orc/binine pancreatic spasmolytic polypeptide [2psp]. static