4.2.1.108 N-alpha-acetyl-L-2,4-diaminobutanoate - Sphingopyxis alaskensis L-ectoine + H2O - ? 445723 4.2.1.108 N-alpha-acetyl-L-2,4-diaminobutanoate - Sphingopyxis alaskensis DSM 13593 / LMG 18877 / RB2256 L-ectoine + H2O - ? 445723 4.2.1.108 N4-acetyl-L-2,4-diaminobutanoate an intramolecular condensation reaction Halomonas elongata L-ectoine + H2O - r 415694 4.2.1.108 N4-acetyl-L-2,4-diaminobutanoate an intramolecular condensation reaction Halomonas elongata L-ectoine + H2O i.e. 1,4,5,6-tetrahydro-2-methyl-4-pyrimidine carboxylic acid, over 95% conversion by the recombinant ectoine synthase r 415694 4.2.1.108 N4-acetyl-L-2,4-diaminobutanoate an intramolecular condensation reaction Halomonas elongata DSM 2581 L-ectoine + H2O - r 415694 4.2.1.108 N4-acetyl-L-2,4-diaminobutanoate an intramolecular condensation reaction Halomonas elongata DSM 2581 L-ectoine + H2O i.e. 1,4,5,6-tetrahydro-2-methyl-4-pyrimidine carboxylic acid, over 95% conversion by the recombinant ectoine synthase r 415694 4.2.1.108 N4-acetyl-L-2,4-diaminobutyrate - Halalkalibacterium halodurans 2-methyl-1,4,5,6-tetrahydropyrimidine-4-carboxylic acid + H2O - ? 398955 4.2.1.108 N4-acetyl-L-2,4-diaminobutyrate - Halalkalibacterium halodurans TCJAR021 2-methyl-1,4,5,6-tetrahydropyrimidine-4-carboxylic acid + H2O - ? 398955 4.2.1.108 N4-acetyl-L-2,4-diaminobutyrate - Halalkalibacterium halodurans L-ectoine + H2O - ? 398956 4.2.1.108 N4-acetyl-L-2,4-diaminobutyrate - Halalkalibacterium halodurans TCJAR021 L-ectoine + H2O - ? 398956