monoclonal antibody d5 , raised against cytosolic human estrogen receptor ( er ) reacts with p29 , a receptor-associated cytoplasmic serine phosphoprotein which does not bind steroid , while p29 selectively binds gtp and to a lesser extent atp , in vitro gtp binding does not result in p29 phosphorylation .
C0086418
human
C1706063
p29