Affiliation: | From the ‡Department of Cell, Developmental, and Integrative Biology, University of Alabama at Birmingham, Birmingham, Alabama 35294, ;the §Department of Biology, Birmingham Southern College, Birmingham, Alabama 35254, ;¶Wellcome Trust Centre for Human Genetics, University of Oxford, Oxford OX3 7BN, United Kingdom, and ;the ‖Department of Cell Biology, University Medical Center Utrecht, 3584CX Utrecht, The Netherlands |