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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 ...
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.
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] ...
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.
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.
Leucine zipper motifs are considered a subtype of coiled coils, which are built by two or more alpha helices that are wound around each other to form a supercoil. Coiled coils contain 3- and 4-residue repeats whose hydrophobicity pattern and residue composition is compatible with the structure of amphipathic alpha-helices.
A DNA-binding domain (DBD) is an independently folded protein domain that contains at least one structural motif that recognizes double- or single-stranded DNA. A DBD can recognize a specific DNA sequence (a recognition sequence) or have a general affinity to DNA. [1] Some DNA-binding domains may also include nucleic acids in their folded ...
Sequence motif, a sequence pattern of nucleotides in a DNA sequence or amino acids in a protein; Short linear motif, a stretch of protein sequence that mediates protein–protein interaction; Structural motif, a pattern in a protein structure formed by the spatial arrangement of amino acids