engineering

N2-(2-carboxyethyl)arginine synthase

N2-(2-carboxyethyl)arginine synthase is a engineering topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand N2-(2-carboxyethyl)arginine synthase rather than just read about it. In short: In enzymology, a N2-(2-carboxyethyl)arginine synthase (EC 2.5.1.66) is an enzyme that catalyzes the chemical reaction D-glyceraldehyde 3-phosphate + L-arginine ⇌ {\displaystyle \rightleftharpoons } N2-(2-carboxyethyl)-L-arginine + phosphate Thus, the two substrates of this enzyme are D-glyceraldehyde 3-phosphate and L-arginine, whereas its two products are N2-(2-carboxyethyl)-L-arginine and phosphate. This enzyme be…

Key takeaways

N2-(2-carboxyethyl)arginine synthase belongs to engineering; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect N2-(2-carboxyethyl)arginine synthase to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of N2-(2-carboxyethyl)arginine synthase from memory before moving on to harder problems.

Reference excerpt

In enzymology, a N2-(2-carboxyethyl)arginine synthase (EC 2.5.1.66) is an enzyme that catalyzes the chemical reaction

D-glyceraldehyde 3-phosphate + L-arginine ⇌ {\displaystyle \rightleftharpoons } N2-(2-carboxyethyl)-L-arginine + phosphate Thus, the two substrates of this enzyme are D-glyceraldehyde 3-phosphate and L-arginine, whereas its two products are N2-(2-carboxyethyl)-L-arginine and phosphate. This enzyme belongs to the family of transferases, specifically those transferring aryl or alkyl groups other than methyl groups. The systematic name of this enzyme class is glyceraldehyde-3-phosphate:L-arginine N2-(2-hydroxy-3-oxopropyl) transferase (2-carboxyethyl-forming). Other names in common use include CEAS, N2-(2-carboxyethyl)arginine synthetase, CEA synthetase, glyceraldehyde-3-phosphate:L-arginine 2-N-(2-hydroxy-3-oxopropyl), and transferase (2-carboxyethyl-forming). This enzyme participates in clavulanic acid biosynthesis.

Structural studies As of late 2007, two structures have been solved for this class of enzymes, with PDB accession codes PDB: 2IHT and PDB: 2IHV.

References

Caines ME, Elkins JM, Hewitson KS, Schofield CJ (2004). "Crystal structure and mechanistic implications of N2-(2-carboxyethyl)arginine synthase, the first enzyme in the clavulanic acid biosynthesis pathway". J. Biol. Chem. 279 (7): 5685–92. doi:10.1074/jbc.M310803200. PMID 14623876. Khaleeli N; Li R; Townsend CA (1999). "Origin of the beta-lactam carbons in clavulanic acid from an unusual thiamine pyrophosphate-mediated reaction". J. Am. Chem. Soc. 121 (39): 9223–9224. Bibcode:1999JAChS.121.9223K. doi:10.1021/ja9923134.

Worked examples

Example 1 — a first encounter with N2-(2-carboxyethyl)arginine synthase

Start with the simplest possible case. Write down what N2-(2-carboxyethyl)arginine synthase claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In engineering, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to N2-(2-carboxyethyl)arginine synthase before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about N2-(2-carboxyethyl)arginine synthase ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of N2-(2-carboxyethyl)arginine synthase

In research: N2-(2-carboxyethyl)arginine synthase appears in engineering research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses N2-(2-carboxyethyl)arginine synthase in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: N2-(2-carboxyethyl)arginine synthase is common in secondary-school and first-year university syllabi. It links to neighbouring topics EC 2.5.1, Enzymes of known structure, Transferase stubs, so understanding it makes those chapters shorter.
In everyday life: Look for N2-(2-carboxyethyl)arginine synthase outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study N2-(2-carboxyethyl)arginine synthase in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what N2-(2-carboxyethyl)arginine synthase means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
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Frequently asked questions

What is N2-(2-carboxyethyl)arginine synthase in simple terms?

In enzymology, a N2-(2-carboxyethyl)arginine synthase (EC 2.5.1.66) is an enzyme that catalyzes the chemical reaction D-glyceraldehyde 3-phosphate + L-arginine ⇌ {\displaystyle \rightleftharpoons } N2-(2-carboxyethyl)-L-arginine + phosphate Thus, the two substrates of this enzyme are D-glyceraldehy…

Why does N2-(2-carboxyethyl)arginine synthase matter?

Because it connects several engineering ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study N2-(2-carboxyethyl)arginine synthase?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on N2-(2-carboxyethyl)arginine synthase.