biology

Peroxiredoxin classification index

Peroxiredoxin classification index 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 Peroxiredoxin classification index rather than just read about it. In short: PeroxiRedoxin classification indEX (PREX) is a database of peroxiredoxins (Prxs) classified into one of six distinct subfamilies. Classification relies on the Deacon Active Site Profiling (DASP) approach that utilizes a position specific scoring matrix (PSSM) created from aligned signatures (built from sequence fragments surrounding active sites of structurally-characterized Prx group members) to search sequence dat…

Key takeaways

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

Reference excerpt

PeroxiRedoxin classification indEX (PREX) is a database of peroxiredoxins (Prxs) classified into one of six distinct subfamilies. Classification relies on the Deacon Active Site Profiling (DASP) approach that utilizes a position specific scoring matrix (PSSM) created from aligned signatures (built from sequence fragments surrounding active sites of structurally-characterized Prx group members) to search sequence databases. Searches of PREX for Prxs of interest can be conducted using protein annotation, accession number, PDB ID, organism name, or protein sequence (using BLAST) for Prx proteins extracted from January 2008, November 2010, or October 2011 versions of GenBank (over 8000 validated Prx sequences represented). Output includes the subfamily to which each classified Prx belongs, accession and GI numbers, genus and species, and the active site signature used for classification. The query sequence is also presented aligned with a select group of Prxs for manual evaluation and interpretation by the user. This resource is freely available to the research community.

Worked examples

Example 1 — a first encounter with Peroxiredoxin classification index

Start with the simplest possible case. Write down what Peroxiredoxin classification index 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 Peroxiredoxin classification index 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 Peroxiredoxin classification index 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 Peroxiredoxin classification index

In research: Peroxiredoxin classification index 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 Peroxiredoxin classification index 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: Peroxiredoxin classification index is common in secondary-school and first-year university syllabi. It links to neighbouring topics Antioxidants, Biological database stubs, Biological databases, so understanding it makes those chapters shorter.
In everyday life: Look for Peroxiredoxin classification index 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.

Affiliate

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

How to study Peroxiredoxin classification index in 20 minutes

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

Frequently asked questions

What is Peroxiredoxin classification index in simple terms?

Why does Peroxiredoxin classification index 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 Peroxiredoxin classification index?

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 Peroxiredoxin classification index.