J Anim Sci Biotechnol. 2012 May 31;3(1):13. doi: 10.1186/2049-1891-3-13.
Homology modeling and functional annotation of bubaline pregnancy associated glycoprotein 2.
Journal of animal science and biotechnology
Bhaskar Ganguly, Shiv Prasad
Affiliations
Affiliations
- Department of Veterinary Physiology and Biochemistry, College of Veterinary and Animal Sciences, G, B, Pant University of Agriculture and Technology, Pantnagar, PIN: 263145, India. [email protected].
PMID: 22958467
PMCID: PMC3436636 DOI: 10.1186/2049-1891-3-13
Abstract
BACKGROUND: Pregnancy associated glycoproteins form a diverse family of glycoproteins that are variably expressed at different stages of gestation. They are probably involved in immunosuppression of the dam against the feto-maternal placentome. The presence of the products of binucleate cells in maternal circulation has also been correlated with placentogenesis and placental re-modeling. The exact structure and function of the gene product is unknown due to limitations on obtaining purified pregnancy associated glycoprotein preparations.
RESULTS: Our study describes an in silico derived 3D model for bubaline pregnancy associated glycoprotein 2. Structure-activity features of the protein were characterized, and functional studies predict bubaline pregnancy associated glycoprotein 2 as an inducible, extra-cellular, non-essential, N-glycosylated, aspartic pro-endopeptidase that is involved in down-regulation of complement pathway and immunity during pregnancy. The protein is also predicted to be involved in nutritional processes, and apoptotic processes underlying fetal morphogenesis and re-modeling of feto-maternal tissues.
CONCLUSION: The structural and functional annotation of buPAG2 shall allow the designing of mutants and inhibitors for dissection of the exact physiological role of the protein.
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