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Folded, 3-D structure of ribonuclease A. Anfinsen's dogma, also known as the thermodynamic hypothesis, is a postulate in molecular biology.It states that, at least for a small globular protein in its standard physiological environment, the native structure is determined only by the protein's amino acid sequence. [1]
A protein structure database is a database that is modeled around the various experimentally determined protein structures. The aim of most protein structure databases is to organize and annotate the protein structures, providing the biological community access to the experimental data in a useful way.
server download: 2011 GOR: Information theory/Bayesian inference: Many implementations: Basic GOR GOR V: 2002 (GOR V) Jpred: Multiple Neural network assignment from PSI-BLAST and HMMER profiles. Predicts secondary structure and solvent accessibility: Webserver: server and API: 1998 PredictProtein: Profile-based neural network: Webserver: server ...
At the top level are all alpha proteins (domains consisting of alpha helices), all beta proteins (domains consisting of beta sheets), and mixed alpha helix/beta sheet proteins. While most proteins adopt a single stable fold, a few proteins can rapidly interconvert between one or more folds. These are referred to as metamorphic proteins. [5]
Protein tertiary structure can be divided into four main classes based on the secondary structural content of the domain. [25] All-α domains have a domain core built exclusively from α-helices. This class is dominated by small folds, many of which form a simple bundle with helices running up and down.
Protein isoform; Protein quinary structure; Template:Protein structural analysis; Protein primary structure; Protein secondary structure; Protein tertiary structure; Protein quaternary structure; Protein Structure Initiative; List of protein secondary structure prediction programs; Protein structure prediction; List of protein structure ...
Proteins can have structural and/or functional roles. For instance, movements of the proteins actin and myosin ultimately are responsible for the contraction of skeletal muscle. One property many proteins have is that they specifically bind to a certain molecule or class of molecules—they may be extremely selective in what they bind.