Tag: snails

  • Scalarin carries and stabilizes carotenoid pigments

    Scalarin (PsSC) is the most abundant perivitellin of the perivitelline fluid from Pomacea scalaris eggs. This glyco-lipo-caroteno protein is an approx. 380 kDa multimer combining multiple copies of six different 24-35 kDa subunits. As part of the petivitelline fluid, PsSC is probably playing a role as a nutrient source for the developing embryo in Pomacea scalaris eggs. As its orthologous ovorubin and PmPV1, this protein carries and stabilizes carotenoid pigments. As…

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  • Pomacea maculata perivitellin-1 (PmPV1) is a glyco-lipo-caroteno protein

    Pomacea maculata perivitellin-1 (PmPV1) is the most abundant perivitellin found in the perivitelline fluid from Pomacea maculata snail eggs. This glyco-lipo-caroteno protein is an approx. 294 kDa multimer of a combination of multiple copies of six different ~30 kDa subunits.  PmPV1 account >60% of the total proteins found in the Pomacea maculata eggs.  PmPV1 is an orthologous of ovorubin and scalarin, sharing most of the structural features with the former protein…

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