论文信息 - Principles that determine the structure of proteins.

Principles that determine the structure of proteins.

PERSPECTIVES AND SUMMARy 538 CONFORMATION OF HELICES, PLEATED SHEETS, AND SIDE CHAINS 539 Hydrogen Bonds 539 IX Helices : 539 Left-Handed IX Helices, Polyproline Helices, and Turns 540 P Sheets: Twisting and Coiling 540 P Sheets: P Bends and P Bulges 541 Side Chains 542 CLOSE PACKING IN PROTEINS 544 Protein I nteriors 544 Protei?"! Surfaces 546 PACKING OF IX HELICES AND P SHEETS 546' Packing of Ct Helices 547 IX-Helix-p-Sheet Packing 549 Packing of P Sheets 552 Residue Composition and Packing in p Sheets 556 CHAIN TOPOWGY IN PROTEINS 557 CLASSIFICATION OF PROTEIN STRUCTURES 559 PROTEIN STABILITY: HYDROGEN BONDS, HYDROPHOBICITY, AND SURFACE AREAS 560 Hydrogen Bonds 560 Hydrophobicity and Surface Areas 561 Residue Surfaces and Environments 562 Secondary-Structure Surfaces and Residue Composition 564 Chemical Character of Buried and Accessible Surfaces 564 Extent of the Accessible and Buried Surfaces 565 Surfaces Buried Between Protein Subunits 566

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