engineering

Galactoside 2-alpha-L-fucosyltransferase

Galactoside 2-alpha-L-fucosyltransferase 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 Galactoside 2-alpha-L-fucosyltransferase rather than just read about it. In short: In enzymology, a galactoside 2-alpha-L-fucosyltransferase (EC 2.4.1.69) is an enzyme that catalyzes the chemical reaction GDP-beta-L-fucose + beta-D-galactosyl-R ⇌ {\displaystyle \rightleftharpoons } GDP + alpha-L-fucosyl-1,2-beta-D-galactosyl-R Thus, the two substrates of this enzyme are GDP-beta-L-fucose and beta-D-galactosyl-R, whereas its two products are GDP and alpha-L-fucosyl-1,2-beta-D-galactosyl-R. This enz…

Key takeaways

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

Reference excerpt

In enzymology, a galactoside 2-alpha-L-fucosyltransferase (EC 2.4.1.69) is an enzyme that catalyzes the chemical reaction

GDP-beta-L-fucose + beta-D-galactosyl-R ⇌ {\displaystyle \rightleftharpoons } GDP + alpha-L-fucosyl-1,2-beta-D-galactosyl-R Thus, the two substrates of this enzyme are GDP-beta-L-fucose and beta-D-galactosyl-R, whereas its two products are GDP and alpha-L-fucosyl-1,2-beta-D-galactosyl-R. This enzyme belongs to the family of glycosyltransferases, specifically the hexosyltransferases. This enzyme participates in 4 metabolic pathways: glycosphingolipid biosynthesis - lactoseries, glycosphingolipid biosynthesis - neo-lactoseries, glycosphingolipid biosynthesis - globoseries, and glycan structures - biosynthesis 2.

Nomenclature The systematic name of this enzyme class is:

GDP-beta-L-fucose:beta-D-galactosyl-R 2-alpha-L-fucosyltransferase Other names in common use include:

blood group H alpha-2-fucosyltransferase guanosine diphosphofucose-galactoside 2-L-fucosyltransferase alpha-(1->2)-L-fucosyltransferase alpha-2-fucosyltransferase alpha-2-L-fucosyltransferase blood-group substance H-dependent fucosyltransferase guanosine diphosphofucose-glycoprotein 2-alpha-fucosyltransferase guanosine diphosphofucose-lactose fucosyltransferase GDP fucose-lactose fucosyltransferase guanosine diphospho-L-fucose-lactose fucosyltransferase guanosine diphosphofucose-beta-D-galactosyl-alpha-2-L-fucosyltransferase guanosine diphosphofucose-galactosylacetylglucosaminylgalactosylglucosylceramide alpha-L-fucosyltransferase, guanosine diphosphofucose-glycoprotein 2-alpha-L-fucosyltransferase H-gene-encoded beta-galactoside alpha1->2fucosyltransferase secretor-type beta-galactoside alpha1->2fucosyltransferase beta-galactoside alpha1->2fucosyltransferase GDP-L-fucose:lactose fucosyltransferase

References

Basu S, Basu M, Chien JL (1975). "Enzymatic synthesis of a blood group H-related glycosphingolipid by an alpha-fucosyltransferase from bovine spleen". J. Biol. Chem. 250 (8): 2956–62. doi:10.1016/S0021-9258(19)41579-2. PMID 804484. Beyer TA, Hill RL (1980). "Enzymatic properties of the beta-galactoside alpha 1 leads to 2 fucosyltransferase from porcine submaxillary gland". J. Biol. Chem. 255 (11): 5373–9. doi:10.1016/S0021-9258(19)70796-0. PMID 7372640. Beyer TA, Sadler JE, Hill RL (1980). "Purification to homogeneity of H blood group beta-galactoside alpha 1 leads to 2 fucosyltransferase from porcine submaxillary gland". J. Biol. Chem. 255 (11): 5364–72. doi:10.1016/S0021-9258(19)70795-9. PMID 6246105. Grollman AP (1966). "GDP-l-fucose: Lactose fucosyltransferase from mammary gland". GDP-L-fucose:lactose fucosyltransferase from mammary gland. Methods Enzymol. Vol. 8. pp. 351–353. doi:10.1016/0076-6879(66)08065-0. ISBN 978-0-12-181808-1.

Worked examples

Example 1 — a first encounter with Galactoside 2-alpha-L-fucosyltransferase

Start with the simplest possible case. Write down what Galactoside 2-alpha-L-fucosyltransferase 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 Galactoside 2-alpha-L-fucosyltransferase 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 Galactoside 2-alpha-L-fucosyltransferase 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 Galactoside 2-alpha-L-fucosyltransferase

In research: Galactoside 2-alpha-L-fucosyltransferase 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 Galactoside 2-alpha-L-fucosyltransferase 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: Galactoside 2-alpha-L-fucosyltransferase is common in secondary-school and first-year university syllabi. It links to neighbouring topics EC 2.4.1, EC 2.4 stubs, Enzymes of unknown structure, so understanding it makes those chapters shorter.
In everyday life: Look for Galactoside 2-alpha-L-fucosyltransferase 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.

Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “Galactoside 2-alpha-L-fucosyltransferase” →

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Galactoside 2-alpha-L-fucosyltransferase in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Galactoside 2-alpha-L-fucosyltransferase 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.
Explain Galactoside 2-alpha-L-fucosyltransferase out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Galactoside 2-alpha-L-fucosyltransferase in simple terms?

In enzymology, a galactoside 2-alpha-L-fucosyltransferase (EC 2.4.1.69) is an enzyme that catalyzes the chemical reaction GDP-beta-L-fucose + beta-D-galactosyl-R ⇌ {\displaystyle \rightleftharpoons } GDP + alpha-L-fucosyl-1,2-beta-D-galactosyl-R Thus, the two substrates of this enzyme are GDP-beta…

Why does Galactoside 2-alpha-L-fucosyltransferase 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 Galactoside 2-alpha-L-fucosyltransferase?

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 Galactoside 2-alpha-L-fucosyltransferase.