TY - RPRT TI - Structural basis for co-stimulation by the human CTLA-4/B7-2 complex. AU - J C Schwartz AU - X Zhang AU - A A Fedorov AU - S G Nathenson AU - S C Almo PY - 2001 DO - 10.1038/35069112 UR - https://pubmed.ncbi.nlm.nih.gov/11279501/ ID - 11279501 ER -