2.7.1.90 diphosphate-fructose-6-phosphate 1-phosphotransferase floral primordium differentiated 642092 5.4.99.40 alpha-amyrin synthase floral primordium weak expression in floral parts 730557 6.3.2.6 phosphoribosylaminoimidazolesuccinocarboxamide synthase floral primordium - 1269