aspartate

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1. A salt of aspartic acid.
2. An ester of aspartic acid.

1. aspartate(1−) or hydrogen aspartate; the monoanion derived from aspartic acid. In theory, the term denotes any ion or mixture of ions formed from aspartic acid and having a net charge of −1, although the species ⁻OOC−CH₂− CH(NH₃⁺)−COO⁻ generally predominates in practice.
2. the systematic name for aspartate(2−); the dianion derived from aspartic acid.
3. any salt containing an anion of aspartic acid.
4. any ester of aspartic acid.

Asp; any salt of aspartic acid; aspartic acid in dissociated form.

• a. carbamoyl transferase — enzyme catalyzing the condensation of carbamoyl phosphate and l-aspartate to N-carbamoyl-l-aspartate. A regulatory, allosteric enzyme in the synthesis of pyrimidine nucleotides.
• a. transaminase — see aspartate aminotransferase.