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Description

Ball-and-stick model of a pyridoxal phosphate molecule, C8H12NO7P, as found in the crystal structure reported in Bull. Chem. Soc. Jpn. (1973) 46, 863–871 and CSD entry PLPHYD10. Pyridoxal phosphate is the active form of vitamin B6.

This experimentally determined structure differs from the typical idealised textbook representation of the structure of pyridoxal phosphate:

  • The acidic phosphate group has donated a proton to the basic pyridine nitrogen atom, resulting in a zwitterion
  • The aldehyde group has been hydrated, i.e. it has reacted with a molecule of water to form a geminal diol

Colour code:

Carbon, C: grey
Hydrogen, H: white
Nitrogen, N: blue
Oxygen, O: red
Phosphorus, P: orange
Model manipulated in Avogadro 1.2 and image generated in CCDC Mercury 3.8.
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Author Ben Mills
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Public domain This work has been released into the public domain by its author, Benjah-bmm27. This applies worldwide.

In some countries this may not be legally possible; if so:
Benjah-bmm27 grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

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4 November 2023

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current21:25, 4 November 2023Thumbnail for version as of 21:25, 4 November 20233,026 × 2,233 (597 KB)Benjah-bmm27== {{int:filedesc}} == {{Information | Description = Ball-and-stick model of a pyridoxal phosphate molecule, C<sub>8</sub>H<sub>12</sub>NO<sub>7</sub>P, as found in the crystal structure reported in [https://doi.org/10.1246/bcsj.46.863 ''Bull. Chem. Soc. Jpn.'' (1973) '''46''', 863–871] and CSD entry [https://www.ccdc.cam.ac.uk/structures/Search?Ccdcid=1235193&DatabaseToSea...

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