these three isozymes were dimeric enzymes , each being composed of two identical subunits , alpha , gamma and beta , having molecular weight of 51,000 +/- 600 , 52,000 +/- 550 and 51,500 +/- 650 , respectively , as determined by sds-polyacrylamide gel electrophoresis analysis .
C0022173
isozymes
C0014442
enzymes