data obtained by classical stop-flow techniques and single nephron microperfusions also indicate a normal entry of labeled amino acids ( l-lysine , glycine , l-valine , l-proline , l-cystine ) , and 3-0-methyl-d- [ 3h ] glucose and [ 32p ] phosphate from the luminal side of the proximal tubule cell .
C0002520
amino
C0017890
glycine