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 ?
The ansB gene encoding this enzyme naturally comprises a secretory signal peptide of 22 amino terminal residues (31,32).
Los inmunoensayos de segunda generacion, llamados analisis de PTH Intacta, poseen un sistema de dos anticuerpos, uno especifico para la porcion carboxi terminal y otro para la porcion amino terminal de la molecula.
Selective Tryptic Cleavage at the Tethered Ligand Site of the Amino Terminal Domain of Proteinase-Activated Receptor-2 in Intact Cells.
PgEXPA1 solo muestra dos de estos dominios, ya que la region de amplificacion no abarco el extremo del amino terminal completo, donde esta presente el peptido senal; sin embargo, tiene parte de los dos dominios caracteristicos presentes en muchas [alfa]-expansinas.
An International Consensus Statement Regarding Amino Terminal Pro-B-Type Natriuretic PeptideTesting: The International NT-proBNP Consensus Panel.
When combined with age as a risk factor, the three markers assessed by the ELF blood test--hyaluronic acid, procollagen III amino terminal peptide (PIIINP), and tissue inhibitor of metallo-proteinase 1 (TIMP-1)--have around 85% specificity and sensitivity for moderate to severe NAFLD, he noted.
When combined with age as a risk factor, the three markers assessed by the ELF blood test--hyaluronic acid, procollagen III amino terminal peptide (PIIINP), and tissue inhibitor of metalloproteinase 1 (TIMP-1)--have around 85% specificity and sensitivity for moderate to severe NAFLD, he noted.
Diagnostic accuracy of B type natriuretic peptide and amino terminal proBNP in the emergency diagnosis of heart failure.
Apart from the American isolates, the comparison of the amino acid sequence for EV13 isolates with respect to the reference strain was only possible in the amino terminal part of the VP1 protein.
The 10-kDa protease-resistant fragment was purified, and amino terminal sequencing was performed to identify what portion of the allergen this peptide represented.
Both R5 gp120 and X4 gp120 activate the MAP kinases p38 and c-Jun amino terminal kinase/stress-activated protein kinase (JNK/SAPK), though it is unclear whether a third member of the MAPK family, extracellular regulated kinase (ERK 1/2), is activated.