Amino Acids: Difference between revisions

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<nowiki>*</nowiki>Since the mid-20th century, there were 20 standard amino acids. Early in the 21st Century,
<nowiki>*</nowiki>Since the mid-20th century, there were 20 standard amino acids. Since 2014,
genetically encoded
genetically encoded
[[#Unusual_Amino_Acids|Selenocysteine and Pyrrolysine]] have been included as standard by the World Wide Protein Data Bank<ref name="pdb22" />.
[[#Unusual_Amino_Acids|Selenocysteine and Pyrrolysine]] have been included as standard by the World Wide Protein Data Bank<ref name="pdb22" />.