Kreger A S, Bernheimer A W
J Bacteriol. 1969 Apr;98(1):306-7. doi: 10.1128/jb.98.1.306-307.1969.
Pneumolysin behaved as an acidic protein having an isoelectric pH of 4.9, a molecular weight of approximately 63,000, and a sedimentation coefficient of approximately 4.3.
肺炎溶血素是一种酸性蛋白质,其等电点pH为4.9,分子量约为63000,沉降系数约为4.3。