N terminus

(redirected from N terminal end)

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
Farlex Partner Medical Dictionary © Farlex 2012

N terminus

The front end of a polypeptide chain, which has a free (unattached) amine (NH2) group.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

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).
Medical Dictionary for the Health Professions and Nursing © Farlex 2012