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N cap

Index N cap

The term N cap (N-cap, Ncap) describes an amino acid in a particular position within a protein or polypeptide. [1]

12 relations: Alpha helix, Amino acid, Asx motif, Asx turn, C cap, Hydrogen bond, N-terminus, Peptide, Protein, Serine, ST turn, Threonine.

Alpha helix

The alpha helix (α-helix) is a common motif in the secondary structure of proteins and is a righthand-spiral conformation (i.e. helix) in which every backbone N−H group donates a hydrogen bond to the backbone C.

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Amino acid

Amino acids are organic compounds containing amine (-NH2) and carboxyl (-COOH) functional groups, along with a side chain (R group) specific to each amino acid.

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Asx motif

The Asx motif is a commonly occurring feature in proteins and polypeptides.

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Asx turn

The Asx turn is a structural feature in proteins and polypeptides.

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C cap

The term C cap (C-cap, Ccap) describes an amino acid in a particular position within a protein or polypeptide.

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Hydrogen bond

A hydrogen bond is a partially electrostatic attraction between a hydrogen (H) which is bound to a more electronegative atom such as nitrogen (N), oxygen (O), or fluorine (F), and another adjacent atom bearing a lone pair of electrons.

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N-terminus

The N-terminus (also known as the amino-terminus, NH2-terminus, N-terminal end or amine-terminus) is the start of a protein or polypeptide referring to the free amine group (-NH2) located at the end of a polypeptide.

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Peptide

Peptides (from Gr.: πεπτός, peptós "digested"; derived from πέσσειν, péssein "to digest") are short chains of amino acid monomers linked by peptide (amide) bonds.

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Protein

Proteins are large biomolecules, or macromolecules, consisting of one or more long chains of amino acid residues.

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Serine

Serine (symbol Ser or S) is an ɑ-amino acid that is used in the biosynthesis of proteins.

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ST turn

The ST turn is a structural feature in proteins and polypeptides.

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Threonine

Threonine (symbol Thr or T) is an amino acid that is used in the biosynthesis of proteins.

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References

[1] https://en.wikipedia.org/wiki/N_cap

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