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- ST_turn abstract "The ST turn is a structural feature in proteins and polypeptides. Each consists of three amino acid residues (labeled i, i+1 and i+2) in which residue i is a serine (S) or threonine (T) that forms a hydrogen bond from its sidechain oxygen group to the mainchain NH group of residue i+2. Two websites are available for finding and examining ST turns in proteins, Motivated Proteins;[1] and PDBeMotif:[2].Similar motifs occur with aspartate or asparagine as residue i, called asx turn. Four types of asx turn and ST turn can be distinguished: types I, I’, II and II’. These categories correspond (via sidechain-mainchain mimicry of residue i) to those of the more abundant hydrogen-bonded beta turns, which have four residues and a hydrogen bond between the CO of residue i and the NH of residue i+3. Regarding their occurrence in proteins, they differ in that type I is the commonest of the four beta turns while type II’ is the commonest of the ST and asx turns.Asx and ST turns both occur frequently at the N-termini of α-helices, as part of asx motifs or ST motifs, with the asx, serine or threonine as the N cap residue. They are thus often regarded as helix capping features.".
- ST_turn wikiPageExternalLink index.html.
- ST_turn wikiPageExternalLink pdbemotif.
- ST_turn wikiPageID "42226639".
- ST_turn wikiPageLength "3805".
- ST_turn wikiPageOutDegree "20".
- ST_turn wikiPageRevisionID "637947251".
- ST_turn wikiPageWikiLink Alpha_helix.
- ST_turn wikiPageWikiLink Amino_acid.
- ST_turn wikiPageWikiLink Asparagine.
- ST_turn wikiPageWikiLink Aspartate.
- ST_turn wikiPageWikiLink Aspartic_acid.
- ST_turn wikiPageWikiLink Asx_motif.
- ST_turn wikiPageWikiLink Asx_turn.
- ST_turn wikiPageWikiLink Beta_turn.
- ST_turn wikiPageWikiLink Category:Protein_structural_motifs.
- ST_turn wikiPageWikiLink Hydrogen_bond.
- ST_turn wikiPageWikiLink N-termini.
- ST_turn wikiPageWikiLink N-terminus.
- ST_turn wikiPageWikiLink N_cap.
- ST_turn wikiPageWikiLink Peptide.
- ST_turn wikiPageWikiLink Polypeptides.
- ST_turn wikiPageWikiLink Protein.
- ST_turn wikiPageWikiLink Proteins.
- ST_turn wikiPageWikiLink ST_motif.
- ST_turn wikiPageWikiLink Serine.
- ST_turn wikiPageWikiLink Structural_motif.
- ST_turn wikiPageWikiLink Threonine.
- ST_turn wikiPageWikiLink Α-helices.
- ST_turn wikiPageWikiLink File:STturn.pdf.
- ST_turn wikiPageWikiLinkText "ST turn".
- ST_turn hasPhotoCollection ST_turn.
- ST_turn wikiPageUsesTemplate Template:Reflist.
- ST_turn subject Category:Protein_structural_motifs.
- ST_turn hypernym Feature.
- ST_turn type Work.
- ST_turn comment "The ST turn is a structural feature in proteins and polypeptides. Each consists of three amino acid residues (labeled i, i+1 and i+2) in which residue i is a serine (S) or threonine (T) that forms a hydrogen bond from its sidechain oxygen group to the mainchain NH group of residue i+2. Two websites are available for finding and examining ST turns in proteins, Motivated Proteins;[1] and PDBeMotif:[2].Similar motifs occur with aspartate or asparagine as residue i, called asx turn.".
- ST_turn label "ST turn".
- ST_turn sameAs m.0100czdk.
- ST_turn sameAs Q17125274.
- ST_turn sameAs Q17125274.
- ST_turn wasDerivedFrom ST_turn?oldid=637947251.
- ST_turn isPrimaryTopicOf ST_turn.