nigrin

nigra +‎ -in

nigrin (plural nigrins)

1. Any of a class of lectin isolated from the bark of elderberry (Sambucus nigra)
   • 2015 July 6, “The Cytotoxicity of Elderberry Ribosome-Inactivating Proteins Is Not Solely Determined by Their Protein Translation Inhibition Activity”, in PLOS ONE‎, DOI:10.1371/journal.pone.0132389:

     In contrast, nigrin b, which has comparable plasma membrane binding affinity to volkensin (approx. 10 -10 M), enters the cytosol without passing the trans-Golgi network and ER [10 –12 ].

• ring in, ring-in, ringin', rining