003170000a22001450004500020001500000060000800015100002200023100001700045245002200062260002900084260000900113300000800122490002600130650001500156  a0121819469  a100  aJakoby, William B  aWlchek, Meir  aAffinity labeling  aNew York, Academic press  c1977  a774  aMethods in enzymology  aEnzymology