有一种称为脯氨酸的氨基酸实际上并不是氨基酸，而是亚氨基酸。
One of the amino acids, called prolene, is not really an amino acid, but imino acid.
除了脯氨酸和羟基脯氨酸(亚氨基酸)以外，所有的氨基酸是l -氨基酸，但是d -氨基酸出现在细菌细胞壁和一些抗体中。
Except for praline and hydroxyproline which are imino acids all the amino acids are l-amino acids although d-amino acids do occur in bacterial cell walls and in some antibiotics.
有一种称为脯氨酸的氨基酸实际上并不是氨基酸，而是亚氨基酸。
Other amino acids such as proline and hydroxyproline (inlino group) can have a marked change in the direction of the polypeptide chain.
有一种称为脯氨酸的氨基酸实际上并不是氨基酸，而是亚氨基酸。
Other amino acids such as proline and hydroxyproline (inlino group) can have a marked change in the direction of the polypeptide chain.
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