General Structure Information 3ygs APAF1 apaf-1 card in complex with prodomain of procaspase-9 2.5Å AUTH H.QIN,S.M.SRINIVASULA,G.WU,T.FERNANDES-ALNEMRI,AUTH 2 E.S.ALNEMRI,Y.SHITITL STRUCTURAL BASIS OF PROCASPASE-9 RECRUITMENT BYTITL 2 THE APOPTOTIC PROTEASE-ACTIVATING FACTOR 1.REF NATURE V. 399 549 1999REFN ISSN 0028-0836PMID 10376594DOI 10.1038/21124 Variant Set Distributions Mapped Variants