PDC-109 is a major bovine seminal plasma protein.[1][2] In bovine semen its concentration is about 15–20 mg/ml, which comprises about 60 percent of total proteins present in the bovine seminal plasma.

A characteristic feature of this protein is that it contains two fibronectin type 2 (Fn2) domain. Each domain in this protein binds to lipid head group with cation-pi interaction.

References

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  1. ^ Srivastava, N.; Jerome, A.; Srivastava, S. K.; Ghosh, S. K.; Kumar, Amit (2013-04-01). "Bovine seminal PDC-109 protein: An overview of biochemical and functional properties". Animal Reproduction Science. 138 (1): 1–13. doi:10.1016/j.anireprosci.2013.02.008. ISSN 0378-4320. PMID 23489472.
  2. ^ Gwathmey, TanYa M.; Ignotz, George G.; Mueller, Jacob L.; Manjunath, Puttaswamy; Suarez, Susan S. (October 2006). "Bovine seminal plasma proteins PDC-109, BSP-A3, and BSP-30-kDa share functional roles in storing sperm in the oviduct". Biology of Reproduction. 75 (4): 501–507. doi:10.1095/biolreprod.106.053306. ISSN 0006-3363. PMID 16790686.