L-alpha-aminoacyl-L-arginine(out) = L-alpha-aminoacyl-L-arginine(in)
l-alpha-aminoacyl-l-arginine(out) = l-alpha-aminoacyl-l-arginine(in)
L-alpha-aminoacyl-L-arginine(out) = L-alpha-aminoacyl-L-arginine(in)
l-alpha-aminoacyl-l-arginine(out) = l-alpha-aminoacyl-l-arginine(in)