EC Number |
Reaction |
Reference |
---|
2.5.1.54 | phosphoenolpyruvate + D-erythrose 4-phosphate + H2O = 3-deoxy-D-arabino-hept-2-ulosonate 7-phosphate + phosphate |
active site cysteines: Cys61 and Cys328 |
639771 |
2.5.1.54 | phosphoenolpyruvate + D-erythrose 4-phosphate + H2O = 3-deoxy-D-arabino-hept-2-ulosonate 7-phosphate + phosphate |
Cys67 and Cys145 are important for the catalytic reaction |
639793 |
2.5.1.54 | phosphoenolpyruvate + D-erythrose 4-phosphate + H2O = 3-deoxy-D-arabino-hept-2-ulosonate 7-phosphate + phosphate |
first substrate is phosphoenolpyruvate |
-, 639742, 639764, 639796 |
2.5.1.54 | phosphoenolpyruvate + D-erythrose 4-phosphate + H2O = 3-deoxy-D-arabino-hept-2-ulosonate 7-phosphate + phosphate |
His268 is located in the active site |
639789 |
2.5.1.54 | phosphoenolpyruvate + D-erythrose 4-phosphate + H2O = 3-deoxy-D-arabino-hept-2-ulosonate 7-phosphate + phosphate |
Lys186 is involved in hydrogen bonding with phosphoenolpyruvate |
639796 |
2.5.1.54 | phosphoenolpyruvate + D-erythrose 4-phosphate + H2O = 3-deoxy-D-arabino-hept-2-ulosonate 7-phosphate + phosphate |
mechanism |
637413, 637421, 639741, 639746, 639747, 659716 |
2.5.1.54 | phosphoenolpyruvate + D-erythrose 4-phosphate + H2O = 3-deoxy-D-arabino-hept-2-ulosonate 7-phosphate + phosphate |
ordered ping-pong bi-bi mechanism |
-, 639742, 639744, 639747, 639764 |
2.5.1.54 | phosphoenolpyruvate + D-erythrose 4-phosphate + H2O = 3-deoxy-D-arabino-hept-2-ulosonate 7-phosphate + phosphate |
ordered sequential mechanism |
657871 |
2.5.1.54 | phosphoenolpyruvate + D-erythrose 4-phosphate + H2O = 3-deoxy-D-arabino-hept-2-ulosonate 7-phosphate + phosphate |
product release is rate-limiting, rate constant for product formation is higher with Mn2+ than with Zn2+ or Cu2+. Role of metal ion is to position the amino acids with the appropriate geometry required to coordinate and activate the water molecule |
659406 |
2.5.1.54 | phosphoenolpyruvate + D-erythrose 4-phosphate + H2O = 3-deoxy-D-arabino-hept-2-ulosonate 7-phosphate + phosphate |
proposed mechanism of catalysis of NmeDAH7PS showing key nucleophilic role for active site WAT1, overview |
737813 |