Protein Folds. Alpha+Beta Topologies

Alpha+Beta folds, in which the helices and sheets tend to be spatially separated in different parts of the protein; there is a lack of beta-alpha-beta supersecondary structure. Based on Tertiary Protein Structure and Folds and Protein Folds.

3RN3 - mammalian pancreatic ribonucleases.
PDB vdW B&L rib HET 1Å= HF AA FPS

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1FUS - Lysozome.
1UBQ - Ubiquitin.
1PTF - Histidine-Carrier protein.
9PAP - Cysteine proteases such as papain and actinidin.
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