clasp +-in, because it clasps replication forks and related branched DNA structures.
Noun
claspin (uncountable)
A particular protein; its function in humans is not yet known.
2015 August 5, Catharina I. Delebinski et al., “A Natural Combination Extract of Viscum album L. Containing Both Triterpene Acids and Lectins Is Highly Effective against AML In Vivo”, in PLoS ONE, volume 10, →DOI:
It has been shown that claspin positively affects the survival of cancer cells.