精液中的胃蛋白酶原C与胃中的胃蛋白酶原C并不相同，但非常相似。
Seminal pepsinogen C is not identical with, but is very similar to gastric pepsinogen C.
作者信息
Szecsi P B, Koch C, Foltmann B
机构信息
Department of Clinical Chemistry, Hvidovre Hospital, Denmark.
出版信息
FEBS Lett. 1988 Sep 26;238(1):101-4. doi: 10.1016/0014-5793(88)80234-5.
Human seminal pepsinogen C has been purified and compared with gastric pepsinogen C. The two zymogens cannot be distinguished by amino acid compositions and sequences of the first 28 N-terminal amino acid residues are identical. Apparent immunological identity is observed with polyclonal antisera. Monoclonal antibodies toward seminal pepsinogen C have been produced. One is able to recognize a non-carbohydrate antigenic determinant only present in seminal pepsinogen C.
人精浆胃蛋白酶原C已被纯化，并与胃胃蛋白酶原C进行了比较。这两种酶原无法通过氨基酸组成来区分，并且前28个N端氨基酸残基的序列是相同的。用多克隆抗血清观察到明显的免疫同一性。已制备出针对精浆胃蛋白酶原C的单克隆抗体。其中一种能够识别仅存在于精浆胃蛋白酶原C中的非碳水化合物抗原决定簇。
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