TY - RPRT TI - Unliganded GroEL at 2.8 A: structure and functional implications. AU - P B Sigler AU - A L Horwich PY - 1995 DO - 10.1098/rstb.1995.0052 UR - https://pubmed.ncbi.nlm.nih.gov/7770481/ ID - 7770481 ER -