china drifter
Wednesday, November 24, 2010
50 下列何者不能做為酵素執行酸鹼催化(acid-base catalysis)時的活性中心胺基酸(active site residue)?
組胺酸(histidine) 甲硫胺酸(methionine)
天門冬胺酸(aspartic acid) 麩胺酸(glutamic acid)
b
methionine is nonpolar!
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