TABLE 3.

Amino acid composition of the 5-oxoprolinase

Amino acid	No. of amino acids (nearest integral)a
Asx	42
Thr	15b
Ser	27b
Glx	53
Pro	28
Gly	23
Ala	27
Val	29
Met	10
Ile	19
Leu	31
Tyr	24
Phe	17
Lys	17
His	12
Arg	20
Cys	2c
Trp	8d
Total	404

^aValues are average of 24-, 48-, and 72-h hydrolyses, except as otherwise indicated. 

^bValues extraporated to zero hydrolysis time. 

^cMeasured as cysteinic acid on a 24-h hydrolysate after performic acid oxidation. 

^dMeasured spectrophotometrically.