saposin

Not valid in Scrabble

It's a recognised English word, but it isn't in the official NASPA Scrabble word list.

Scrabble points
9
Words With Friends
11
Letters
7

Definition of saposin

1 sense · 1 part of speech · etymology included

noun

  1. Any of a class of small lysosomal proteins that serve as activators of various lysosomal lipid-degrading enzymes.

Definitions from Wiktionary, CC BY-SA.

Etymology

From sphingolipid activator protein, + -in.

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