biology

Sodium- and chloride-dependent glycine transporter 2

Sodium- and chloride-dependent glycine transporter 2 is a biology 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 Sodium- and chloride-dependent glycine transporter 2 rather than just read about it. In short: Sodium- and chloride-dependent glycine transporter 2, also known as glycine transporter 2 (GlyT2), is a protein that in humans is encoded by the SLC6A5 gene. The glycine transporter 2 is a membrane protein which recaptures glycine, a major inhibitory transmitter in the spinal cord and brainstem.

Key takeaways

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

Reference excerpt

Sodium- and chloride-dependent glycine transporter 2, also known as glycine transporter 2 (GlyT2), is a protein that in humans is encoded by the SLC6A5 gene. The glycine transporter 2 is a membrane protein which recaptures glycine, a major inhibitory transmitter in the spinal cord and brainstem. GlyT2 is a specific marker of glycinergic neurons and a member of the Na+ and Cl−-coupled transporter family SLC6. Glycine uptake mediated by GlyT2 is electrogenic, coupled to three Na+ and one Cl− (i.e. two positive charges per glycine). In humans, GlyT2 is encoded by the SLC6A5 gene. Inactivation of GlyT2 in knockout mice is lethal during the second post-natal week as the absence of GlyT2 disrupts inhibitory transmission by reducing glycine release. Mutations in SLC6A5 gene are responsible for a presynaptic form of hyperekplexia, a genetic disease causing increased startle reflex. GlyT2 main physiological role is to recapture glycine released in the synaptic cleft and to maintain high glycine concentration in the presynaptic neuron. Therefore, chronic inhibition of GlyT2 will deplete intracellular storage of glycine and limit its accumulation in synaptic vesicles.

Inhibitors Amoxapine Ethanol N-Arachidonylglycine (NAGly) Opiranserin (VVZ-149) ORG-25543 VVZ-368

See also Sodium:neurotransmitter symporter Solute carrier family

References

Illustrations

Worked examples

Example 1 — a first encounter with Sodium- and chloride-dependent glycine transporter 2

Start with the simplest possible case. Write down what Sodium- and chloride-dependent glycine transporter 2 claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In biology, 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 Sodium- and chloride-dependent glycine transporter 2 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 Sodium- and chloride-dependent glycine transporter 2 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 Sodium- and chloride-dependent glycine transporter 2

In research: Sodium- and chloride-dependent glycine transporter 2 appears in biology 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 Sodium- and chloride-dependent glycine transporter 2 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: Sodium- and chloride-dependent glycine transporter 2 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Genes on human chromosome 11, Membrane protein stubs, Solute carrier family, so understanding it makes those chapters shorter.
In everyday life: Look for Sodium- and chloride-dependent glycine transporter 2 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 Sodium- and chloride-dependent glycine transporter 2 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Sodium- and chloride-dependent glycine transporter 2 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 Sodium- and chloride-dependent glycine transporter 2 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Sodium- and chloride-dependent glycine transporter 2 in simple terms?

Why does Sodium- and chloride-dependent glycine transporter 2 matter?

Because it connects several biology 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 Sodium- and chloride-dependent glycine transporter 2?

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 Sodium- and chloride-dependent glycine transporter 2.