<protein> ATP dependent protease (500 kD) isolated from the cytoplasm of skeletal muscle. May form a complex with the 20S proteasome to form a 26S like particle. ... (18 Nov 1997) ... 
ATP-dependent protease (500 kD) isolated from the cytoplasm of skeletal muscle. May form a complex with the 20S proteasome to form a 26S-like particle.