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| What is the Periodic Table Showing? | Periodicity |
The INTERNET Database of Periodic Tables
There are thousands of periodic tables in web space, but this is the only comprehensive database of periodic tables & periodic system formulations. If you know of an interesting periodic table that is missing, please contact the database curator: Mark R. Leach Ph.D. The database holds information on periodic tables, the discovery of the elements, the elucidation of atomic weights and the discovery of atomic structure (and much, much more).
| Year: 2016 | PT id = 720, Type = non-chem |
Genetic Codon Periodic Table
Heinrich Ferreira, splicejunction.blogspot.com, has created a 'periodic table' for the 20 amino acids, organized by generic code and hydrophobic value.
"I realized that when one orders the codons in the genetic code by Hamming distance of base changes between the 64 different codons for the 20 amino acids, that the amino acids with similar hydrophobic/polar nature automatically cluster together.
"This shows how the genetic code is optimized to minimize the production of incorrectly folded proteins.
"Thus, in the case of a single base change which results in a different amino acid being used, the chances are that incorrect amino acid will have the same or similar hydrophobic qualities are actually quite high due to the codons appearing next to each other on the Genetic Code periodic table.
"This representation, like the periodic table, is a torus where the adjacent codons wrap around from bottom to top and left to right."
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| What is the Periodic Table Showing? | Periodicity |
© Mark R. Leach Ph.D. 1999 –
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