biology

STX10

STX10 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 STX10 rather than just read about it. In short: Syntaxin-10 (STX10) is a SNARE protein that is encoded by the STX10 gene. This protein is found in most vertebrates (including humans) but is noticeably absent from mice.

Key takeaways

STX10 belongs to biology; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect STX10 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of STX10 from memory before moving on to harder problems.

Reference excerpt

Syntaxin-10 (STX10) is a SNARE protein that is encoded by the STX10 gene. This protein is found in most vertebrates (including humans) but is noticeably absent from mice. As with other SNARE proteins, STX10 facilitates vesicle fusion and thus is important for intracellular trafficking of proteins and other cellular components. More specifically, STX10 has been implicated in endosome to Golgi trafficking of the mannose 6-phosphate receptor and glucose transporter type 4. STX10 has been detected in the trans-Golgi network (TGN) by immunofluorescence.

Structure and function Human STX10 is a 249 amino acid protein that has three N-terminal α-helices and a single SNARE domain followed by a single-pass transmembrane domain. Human STX10 is 60% identical to human STX6. STX10 is structurally classified as a Qc-SNARE (contributes a glutamine (Q) residue in the formation of the assembled core SNARE complex) and is functionally classified as a t-SNARE (or target-SNARE which is often located in the membranes of target compartments).

Interactions STX10 is known to interact with the t-SNAREs VTI1A and STX16 and with the v-SNAREs VAMP3 and VAMP4. The SNARE complex of STX10, STX16, VTI1A, and VAMP3 are required for late endosome to Golgi trafficking of the mannose 6-phosphate receptor. Early endosome to Golgi trafficking of Shiga toxin requires the SNARE complex of STX6, STX16, VTI1A, and VAMP3 or VAMP4. Thus, STX10 distinguishes early endosome to Golgi trafficking from late endosome to Golgi trafficking.

References

External links PDBe-KB provides an overview of all the structure information available in the PDB for Human Syntaxin-10 (STX10)

Illustrations

Worked examples

Example 1 — a first encounter with STX10

Start with the simplest possible case. Write down what STX10 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 STX10 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 STX10 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 STX10

In research: STX10 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 STX10 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: STX10 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Genes on human chromosome 19, Human chromosome 19 gene stubs, so understanding it makes those chapters shorter.
In everyday life: Look for STX10 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 STX10 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what STX10 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 STX10 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is STX10 in simple terms?

Syntaxin-10 (STX10) is a SNARE protein that is encoded by the STX10 gene. This protein is found in most vertebrates (including humans) but is noticeably absent from mice.

Why does STX10 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 STX10?

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 STX10.