of 9 amino acids ( l-glutamine , d-glutamine , l-arginine , l-proline , l-aspartate , l-glutamate , l-asparagine , l-isoleucine and l-methionine ) l-glutamine alone is sufficient to repolarize the membrane potential to a value ( -56 +/- 4.5 mv ) not significantly different from that found in rpmi-1640 .
C0002520
amino acids
C0017797
l-glutamine