TABLE 1.

Binding of yeasts to immobilized amino acids

Amino acid group	Amino acid	A492a
Nonpolar aliphatic	Glycine	0.108 ± 0.013
	Alanine	0.886 ± 0.082
	Valine	0.047 ± 0.002
	Leucine	1.210 ± 0.11
	Isoleucine	0.046 ± 0.001
	Proline	1.008 ± 0.067
Polar uncharged	Serine	0.048 ± 0.005
	Threonine	0.059 ± 0.008
	Cysteine	0.044 ± 0.004
	Methionine	0.040 ± 0.003
	Asparagine	0.082 ± 0.018
	Glutamine	0.099 ± 0.022
Positively charged	Lysine	0.917 ± 0.026
	Arginine	0.927 ± 0.04
	Histidine	0.040 ± 0.002
Negatively charged	Aspartate	0.102 ± 0.02
	Glutamate	0.070 ± 0.013
Aromatic	Phenylalanine	0.044 ± 0.003
	Tyrosine	0.053 ± 0.003
	Tryptophan	0.040 ± 0.002

^aMean absorbance ± standard deviation (n = 21) after subtraction of the background in the absence of cells from a typical experiment.