Table 1

Kinetic parameters for amino-acid related compounds

CompoundsKiKm
μM
Phenylalanine12.5
Tyrosine31.113.2
l-Dopa67.234.2
3-O-Methyldopa56.4
α-Methyltyrosine107
α-Methyldopa405
Gabapentin340
Triiodothyronine5.8
Thyroxine90.3
Melphalan49.1