Allele	Molecular lesion	Defect in PVD	Physical location†
dz178	S155F	Yes	12,309,368
dz189	Q168X	Yes	12,309,330
ok2047	Deletion (1,294 bp)	Yes	12,309,724–12,311,017

^†Nucleotide change according to nucleotide positions in Wormbase release WS252.