. . . . . . . . . "4"^^ . . "4"^^ . . "Phosphothreonine; by GSG2 modification of amino acid 4 of NX_P84243-1" . . . . . . . "neXtProt gold" . . "10.1021/bi050906n" . "10.1101/gad.1267105" . . . . . . . . "2014-09-19T00:00:00.0Z"^^ . . . "neXtProt database" . "CALIPHO project" . . . . . "2" . . .