Help:Parts
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What are standard biological parts?
A standard biological part (or simply, part) is a sequence of DNA standardized so that it can be used to efficiently develop biological systems in living cells. A sequence of DNA becomes a part when it's flanked on both ends with standardized sequences, referred to as a prefix and suffix. The prefix and suffix contain a set of restriction enzyme sites that when cut with their respective enzyme allow parts to be interchangeable and easily connected in series.
It's important to remember that while a part's existence is contingent on its prefix and suffix, the part's sequence does not include them.
The specific sequence of the prefix and suffix of a part are defined by their STANDARD. All parts belonging to a standard will have the same prefix and suffix. This means that anyone can join two parts within a standard. The Registry supports several standards, but the BioBrick standard is currently the most used and many Registry parts belong to this standard.
Different standards
To accommodate the needs of building different systems with different methods, there
Why parts?
Parts can be easily assembled together to form these systems, using standard protocols and materials.