What does "pca" in a protein sequence mean??

Luis M. Sanchez lmsp at correo.uniovi.es
Sat Feb 17 10:11:21 EST 2001


PCA: pyroglutamic acid (http://xray.bmc.uu.se/hicup/). When glutamine is the
N-terminal residue, it usually gets cycled to pyroglutamic acid. It can
occur without any enzyme but at least the eukaryotes have an enzyme that
catalyzes the reaction.


--
Luis M. Sanchez
Department of Biochemistry
University of Oviedo
Oviedo 33006
SPAIN







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