Protein structure and dynamics

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Secondary structure: β-sheets Antiparallel l β-sheeth t Parallel β-sheet
Supersecondary structures Schematic view of a β-barrel fold formed by the combination of two Greek key motifs, shown in red and green, and the topology diagram of the Greek key motifs forming the fold (adapted from Branden and Tooze, 1999) Only those topologies where sequentially adjacent b-strands are antiparallel to each other are displayed. (A) 12 different ways to form a four-stranded ddb-sheet from two b-hairpins hi i (red and green), )ifh the consecutive strands 2 and 3 are assumed to be antiparallel. Not all topologies are equally probable. (j) and (l) are the most common topologies, also known as Greek key motifs; (a) is also relatively frequent; whereas (b), (c), (e), (f), (h), (i) and (k) have not been observed in known structures (Branden and Tooze, 1999).
Page 1 and 2: Protein structure and dynamics Arte
Page 3 and 4: A protein consists of a sequence of
Page 5 and 6: Definition of dihedral angles Range
Page 7 and 8: The peptide plane
Page 9 and 10: Side chains enjoy additional degree
Page 11: A closer look at Alpha-helix Helica
Page 15 and 16: Contact Maps Describe Protein Topol
Page 17: The Protein Data Bank (PDB) • Ele
Page 20 and 21: Large Structural Changes Example:
Page 22 and 23: Large Structural Changes: Allostery
Page 24 and 25: Important mode in HIV-1 RT p66 thum

Protein structure and dynamics

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