. . . . . . . . "Impairs homotetramerization and nearly abolishes enzyme activity." . "137"^^ . . "137"^^ . . "Mutagenesis site occurs in NX_Q9Y3Z3-4 at amino acids 137 - 137." . . . . . "neXtProt gold" . . . . . . . . . "2014-09-19T00:00:00.0Z"^^ . . . "neXtProt database" . "CALIPHO project" . . . . . "2" . . .