Assertion: vesicle's protein | /r/HasProperty | required for semenogelin
Facets:
Source sentences:
text: Proteins required for the coagulation and liquefaction of semen such as semenogelins I, II, and kallikrein are secreted from the seminal vesicle glands and prostate and are integral to the functionality of semen (Lilja et al., 1987).