the stability of neurotensin ( nt ) and a potent , long lasting analogue , [ d-trp11 ] -nt , to rat brain peptidases was compared by incubating the peptides with subcellular fractions ( synaptosomes , synaptic membranes ) and a purified endopeptidase from rat brain .
C0030940
peptidases
C0030946
endopeptidase