@other{https://resolver.caltech.edu/CaltechETD:etd-06172008-140047, title = "An engineered mutant of G protein [alpha] subunit that binds xanthine nucleotide and not guanine nucleotide", year = "1999", url = "https://resolver.caltech.edu/CaltechETD:etd-06172008-140047", id = "record", doi = "10.7907/K78Q-9K42" }