Joint Center for Structural Genomics, La Jolla, CA, USA. debanu@slac.stanford.edu.|Joint Center for Structural Genomics, La Jolla, CA, USA. debanu@slac.stanford.edu.|Joint Center for Structural Genomics, La Jolla, CA, USA. debanu@slac.stanford.edu.|Joint Center for Structural Genomics, La Jolla, CA, USA. debanu@slac.stanford.edu.|Joint Center for Structural Genomics, La Jolla, CA, USA. debanu@slac.stanford.edu.|Joint Center for Structural Genomics, La Jolla, CA, USA. debanu@slac.stanford.edu.|Joint Center for Structural Genomics, La Jolla, CA, USA. debanu@slac.stanford.edu.|Joint Center for Structural Genomics, La Jolla, CA, USA. debanu@slac.stanford.edu.