Amino Terminus
The N-terminus refers to the start of a protein or polypeptide terminated by an amino acid with a free amine group (-NH2).
Schematic diagram of the amino acid sequence (amino terminus to the left and carboxylic acid terminus to the right) of a prototypical transcription factor which contains (1) a DNA-binding domain (DBD), (2) signal sensing domain (SSD), ...
Signal sequences A sequence of amino acid residues ranging in size from 13 to 36 residues, usually at the amino terminus of the nascent polypeptide chain, that marks the protein for translocation across the rough endoplasmic reticulum.
 See also: Acids, Sequence, Protein, Proteins, Peptide
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