p
In addition to use as the metric notation of pico (10-9), it is commonly used to indicate the logarithm of a reciprocal, e.g. molecular_biology_glossary?id=2223&op=detail">pKa=log(1/Ka). When seen as a prefix followed by a number, p indicates molecular molecular_biology_glossary?id=10448&op=detail">mass determined from a Laemmli gel and characterizes a protein whose identity is otherwise unknown, e.g. P53, a protein of molecular_biology_glossary?id=10448&op=detail">mass 53000Da. It is also used as a prefix to an alphanumeric designation of a molecular_biology_glossary?id=2349&op=detail">plasmid, e.g. pVA50. In molecular_biology_glossary?id=2092&op=detail">nucleic molecular_biology_glossary?id=8306&op=detail">acid molecular_biology_glossary?id=9019&op=detail">chemistry it denotes an orthophosphate in a 5'- or 3'-phosphomonoester molecular_biology_glossary?id=8820&op=detail">bond (e.g. pA or Gp), a molecular_biology_glossary?id=2301&op=detail">phosphodiester molecular_biology_glossary?id=8820&op=detail">bond (e.g. CpG), or a phosphate anhydride molecular_biology_glossary?id=8820&op=detail">bond (e.g. ppA). In molecular_biology_glossary?id=9819&op=detail">genetics it is a designation of a location in the short arm of a molecular_biology_glossary?id=518&op=detail">chromosome. (see also molecular_biology_glossary?id=466&op=detail">centromere)
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If you know of any terms that have been omitted from this glossary that you feel would be useful to include, please send details to the Editorial Office at GenScript.
