National Institutes of HealthUnited States Department of Health & Human ServicesNational Institutes of Health (NIH) - USA [GM061146]; Howard Hughes Medical InstituteHoward Hughes Medical Institute; Gordon and Betty Moore FoundationGordon and Betty Moore Foundation; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [91117006]; National Science Foundation IGERT training grant [DGE0504249]; NATIONAL INSTITUTE OF GENERAL MEDICAL SCIENCESUnited States Department of Health & Human ServicesNational Institutes of Health (NIH) - USANIH National Institute of General Medical Sciences (NIGMS) [R01GM061146, R01GM061146, R01GM061146, R01GM061146, R01GM061146, R01GM061146, R01GM061146, R01GM061146, R01GM061146, R01GM061146, R01GM061146, R01GM061146, R01GM061146, R01GM061146, R01GM061146, R01GM061146, R01GM061146, R01GM061146, R01GM061146, R01GM061146, R01GM061146, R01GM061146, R01GM061146] Funding Source: NIH RePORTER