N terminus

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a·mi·no-ter·mi·nal

(ă-mē'nō-ter'min-ăl),
The α-NH2 group or the aminoacyl residue containing it at one end of a peptide or protein (usually on the left as written).
Synonym(s): NH2-terminal

N terminus

The front end of a polypeptide chain, which has a free (unattached) amine (NH2) group.

a·mi·no-ter·mi·nal

(ă-mē'nō-tĕr'mi-năl)
The α-NH2 group or the aminoacyl residue containing it at one end of a peptide or protein (usually at left as written).
References in periodicals archive ?
Amino terminal pro brain natriuretic peptide predicts all-cause mortality in patients with chronic obstructive pulmonary disease: Systematic review and meta-analysis.
This was a multicenter study, with a total of 318 patients, which evaluated the power of free-FA levels, along with other available clinical tests (i.e., amino terminal pro-B-type natriuretic peptide, IMA, heart fatty acid binding protein, classical troponin T, and high-sensitive troponin I).
The ansB gene encoding this enzyme naturally comprises a secretory signal peptide of 22 amino terminal residues (31,32).
Selective Tryptic Cleavage at the Tethered Ligand Site of the Amino Terminal Domain of Proteinase-Activated Receptor-2 in Intact Cells.
Difference of only 14 amino acids among total 150 amino acids between GmbZIP53A and GmbZIP53B was identified in their amino terminal regions.
The test, developed by scientists at the University of Southampton, King's College London and University of Kent at Canterbury, is based on the measurement of two proteins in the blood, insulin-like growth factor-I and the amino terminal pro-peptide of type III collagen.
This article review was the results of recent clinical studies relating to various heart diseases with the ventricular cardiac peptides such as B-type natriuretic peptide (BNP) and amino terminal B-type natriuretic peptide (NT-proBNP) levels as potential markers of diastolic and systolic left ventricular dysfunction.