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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.

Use the drop menus below to search & select from the more than 1100 Period Tables in the database:

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2016

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."

Genetic Code Periodic Table

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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –


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