The concentration of an amino acid may be expressed in mg/dL or µmol/L.
Amino Acid |
Abbreviation |
Molecular Weight |
mg/dL to µmol/L |
alanine |
Ala |
89.09 |
112.2 |
arginine |
Arg |
174.2 |
57.4 |
asparagine |
Asn |
132.1 |
75.7 |
aspartic acid |
Asp |
133.1 |
75.1 |
cysteine |
Cys |
121.2 |
82.5 |
cystine |
(Cys)2 |
240.3 |
83.3 |
glutamic acid |
Glu |
147.1 |
68.0 |
glutamine |
Gln |
146.1 |
68.5 |
glycine |
Gly |
75.07 |
133.3 |
histidine |
His |
155.2 |
64.5 |
isoleucine |
Ile |
131.2 |
76.3 |
leucine |
Leu |
131.2 |
76.3 |
lysine |
Lys |
146.2 |
68.5 |
methionine |
Met |
149.2 |
67.1 |
phenylalanine |
Phe |
165.2 |
60.5 |
proline |
Pro |
115.1 |
86.9 |
serine |
Ser |
105.1 |
95.2 |
threonine |
Thr |
119.1 |
84.0 |
tryptophan |
Trp |
204.2 |
49.0 |
tyrosine |
Tyr |
181.2 |
55.2 |
valine |
Val |
117.1 |
85.5 |