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An individual motif usually consists of only a few elements, e.g., the 'helix-turn-helix' motif which has just three. Note that, while the spatial sequence of elements may be identical in all instances of a motif, they may be encoded in any order within the underlying gene. In addition to secondary structural elements, protein structural motifs ...
Pages in category "Protein structural motifs" The following 56 pages are in this category, out of 56 total. This list may not reflect recent changes. 0–9.
In the area of protein structural motifs, niches are three or four amino acid residue features in which main-chain CO groups are bridged by positively charged or δ + groups. [1] [2] [3] The δ + groups include groups with two hydrogen bond donor atoms such as NH 2 groups and water molecules.
A coiled coil is a structural motif in proteins in which 2–7 [1] alpha-helices are coiled together like the strands of a rope. (Dimers and trimers are the most common types.) They have been found in roughly 5-10% of proteins and have a variety of functions. [2] They are one of the most widespread motifs found in protein-protein interactions.
Schellman loops incorporate a three amino acid residue RL nest (protein structural motif), [12] [13] in which three mainchain NH groups (from Schellman loop residues i+3 to i+5) form a concavity for hydrogen bonding to carbonyl oxygens. About 2.5% of amino acids in proteins belong to Schellman loops.
Protein structural motifs (4 C, 56 P) Protein subunit vaccines (28 P) Protein tandem repeats (1 C, 25 P) Pages in category "Protein structure"
The Nest is a type of protein structural motif. It is a small recurring anion-binding feature of both proteins and peptides. [1] [2] [3] ...
Representative examples of HEAT repeat proteins include importin β (also known as karyopherin β) family, [5] regulatory subunits of condensin and cohesin, [6] separase, [7] PIKKs (phosphatidylinositol 3-kinase-related protein kinases) such as ATM (Ataxia telangiectasia mutated) and ATR (Ataxia telangiectasia and Rad3 related), [8] [9] and the microtubule-binding protein XMAP215/Dis1/TOG [10 ...