2.5.1.19 phosphoenolpyruvate + 3-phosphoshikimate = phosphate + 5-O-(1-carboxyvinyl)-3-phosphoshikimate - - 2.5.1.19 phosphoenolpyruvate + 3-phosphoshikimate = phosphate + 5-O-(1-carboxyvinyl)-3-phosphoshikimate binding of shikimate 3-phosphate leads to a saturable and stable conformational change in the isolated N-terminal domain 638206 2.5.1.19 phosphoenolpyruvate + 3-phosphoshikimate = phosphate + 5-O-(1-carboxyvinyl)-3-phosphoshikimate catalytic mechanism, tetrahedral reaction intermediate, active site structure, wild-type and mutant D313A 659285 2.5.1.19 phosphoenolpyruvate + 3-phosphoshikimate = phosphate + 5-O-(1-carboxyvinyl)-3-phosphoshikimate catalytic mechanism, tetrahedral reaction intermediate, catalytic cycle of the enzyme, overview 658112 2.5.1.19 phosphoenolpyruvate + 3-phosphoshikimate = phosphate + 5-O-(1-carboxyvinyl)-3-phosphoshikimate enolpyruvylshikimate 3-phosphate ketal is catalytically formed as side product upon enolpyruvyl activation through protonation by an intramolecular nucleophilic addition of O4 to C2’ of the enolpyruvyl moiety 678255 2.5.1.19 phosphoenolpyruvate + 3-phosphoshikimate = phosphate + 5-O-(1-carboxyvinyl)-3-phosphoshikimate ordered substrate binding with 3-phosphoshikimate being bound first 691936 2.5.1.19 phosphoenolpyruvate + 3-phosphoshikimate = phosphate + 5-O-(1-carboxyvinyl)-3-phosphoshikimate proposed mechanism 638176, 638177, 638201 2.5.1.19 phosphoenolpyruvate + 3-phosphoshikimate = phosphate + 5-O-(1-carboxyvinyl)-3-phosphoshikimate via formation of a tetrahedral intermediate (TI) after which residue His385 is in a neutral form while residues Lys22, Lys340 and Lys411 are protonated, Asp313 mediates attack of the TI C4-OH group (as oxyanion, shikimate-3-phosphate moiety) at the TI C3-methyl group (phosphoenolpyruvate moiety), Lys22 serves as general acid catalyst for TI breakdown 691197