Encyclopedia > Histidine

  Article Content

Histidine

Histidine is one of the 20 most common natural amino acids, coded for in DNA. Nutritionally, in humans, histidine is considered an essential amino acid, but only in children. The nitrogen side chains of histidine and the relatively neutral pK (ca 6.0) of the histine proton mean that this amino acid side chain finds its way into considerable use as a coordinating ligand in metalloproteins, and also as a catalytic site.



All Wikipedia text is available under the terms of the GNU Free Documentation License

 
  Search Encyclopedia

Search over one million articles, find something about almost anything!
 
 
  
  Featured Article
Jordanes

... century historian. He was an Ostrogoth and was a notary of Gothic kings in Italy. At the time of Justinian, he was a Christian and possibly bishop of Croton. In ...

 
 
 
This page was created in 32.9 ms