div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: Biosynthesis of γ-Guanidinobutyric Acid from γ-Aminobutyric Acid and Arginine src=https:reader036fdocumentorgreader036viewer20220803205750680a1a28ab0f07ae535dhtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divp© 1957 Nature Publishing Grouppdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: Biosynthesis of γ-Guanidinobutyric Acid from γ-Aminobutyric Acid and Arginine src=https:reader036fdocumentorgreader036viewer20220803205750680a1a28ab0f07ae535dhtml5thumbnails2jpg width=142 height=106 layout=responsive amp-img divp© 1957 Nature Publishing Grouppdiv