biology

PeptideAtlas

PeptideAtlas 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 PeptideAtlas rather than just read about it. In short: PeptideAtlas is a proteomics data resource that gathers tandem mass spectrometry datasets from around the world, reprocesses them with the Trans-Proteomic Pipeline, and makes the combined result freely available to the community. Peptide Atlas is one of the founding members of the ProteomeXchange Consortium.

Key takeaways

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

Reference excerpt

PeptideAtlas is a proteomics data resource that gathers tandem mass spectrometry datasets from around the world, reprocesses them with the Trans-Proteomic Pipeline, and makes the combined result freely available to the community. Peptide Atlas is one of the founding members of the ProteomeXchange Consortium.

History The earliest conception of PeptideAtlas began at the Institute for Systems Biology in the research lab of Ruedi Aebersold by Eric Deutsch and Sharon Chen at the Annotated Peptide Database (APD). The concept was further expanded with additional efforts from Parag Mallick and Frank Desiere. The first instance for an ensemble of human experiments was published in 2004 as the Human PeptideAtlas. The concept was further expanded to many other species over the years with major effort by Nichole King, Zhi Sun, Terry Farrah, and Dave Campbell.

Current status PeptideAtlas is still maintained and developed at the Institute for Systems Biology in the research lab of Robert Moritz, led by Eric Deutsch, and with significant efforts by Zhi Sun and Dave Campbell.

See also Human proteome project Human Protein Atlas NeXtProt

External links PeptideAtlas web site (www.peptideatlas.org)

References

Worked examples

Example 1 — a first encounter with PeptideAtlas

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

In research: PeptideAtlas 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 PeptideAtlas 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: PeptideAtlas is common in secondary-school and first-year university syllabi. It links to neighbouring topics Peptides, Protein databases, Proteomics, so understanding it makes those chapters shorter.
In everyday life: Look for PeptideAtlas 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 PeptideAtlas in 20 minutes

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

Frequently asked questions

What is PeptideAtlas in simple terms?

Why does PeptideAtlas 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 PeptideAtlas?

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 PeptideAtlas.