Amino Acid Motifs
Also known asAmino Acid Motif · Motif, Amino Acid · AA Motifs · AA Motif · Motif, AA · Motifs, AA · Protein Motifs · Motif, Protein · Motifs, Protein · Protein Motif · Motifs, Amino Acid · Protein Structure, Supersecondary
Definition
Three-dimensional protein structural elements that are composed of a combination of secondary structures. They include HELIX-LOOP-HELIX MOTIFS and ZINC FINGERS. Motifs are typically the most conserved regions of PROTEIN DOMAINS and are critical for domain function. However, the same motif may occur in proteins or enzymes with different functions.
MeSH classification
- G02.111.570.820.709.275.500
- G02.111.570.820.709.600.500
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AAA Domain
An approximately 250 amino acid domain common to AAA ATPases and AAA Proteins. It consists of a highly conserved N-terminal P-Loop ATPase su…
Ankyrin Repeat
Protein motif that contains a 33-amino acid long sequence that often occurs in tandem arrays. This repeating sequence of 33-amino acids was …
AT-Hook Motifs
DNA-binding motifs, first described in one of the HMGA PROTEINS: HMG-I(Y) PROTEIN. They consist of positively charged sequences of nine amin…
B30.2-SPRY Domain
A protein interaction domain that is characterized by a bent beta-sandwich consisting of two antiparallel beta-sheets. It occurs in eukaryot…
BTB-POZ Domain
A homodimerization protein interaction domain occurring at the N terminus of proteins that contain multiple copies of either CYS2-HIS2 ZINC …
C2 Domains
Protein modules that function in the targeting of proteins to CELL MEMBRANES. They consist of an eight-stranded anti-parallel beta-sandwich …
Carbohydrate Binding Modules
Contiguous amino acid sequences within a carbohydrate-active enzyme with discrete folds having carbohydrate binding activity. They are class…
Source: NIH MeSH 2026 (D020816) — National Library of Medicine, public domain. View official MeSH record ↗