in contrast , both in the laf assay and in the rat islet insulin release assay the sba of an amino-extended rhil-1 beta form , met-glu-ala-glu-rhil-1 beta , was only 1-2 % of the sba of rhil-1 beta , suggesting that structural changes were introduced into the molecule by the amino-terminal extension .
C0021755
laf
C0021753
1