Nucleotide substitution: C?T.
Amino acid replacement: W52term.
G3162353A
C?T
W52term | rasp-PA
W52term
G to A nucleotide change at the second or third position of the Trp codon leads to a nonsense mutation (exact site of mutation unspecified).
Homozygous mutant embryos derived from germ-line clones display a lawn of denticles with little or no naked cuticle.