Nucleotide substitution: G?A.
Amino acid replacement: W207term.
G1248911A
TGG?TGA
W207term | Sac1-PA; W207term | Sac1-PB
W207term
Nonsense mutation (TGG to TGA) at Trp codon.
impatent1472 mutants exhibit a terminal cell lumen formation defect, resulting in seamless tubes including missing and discontinuous lumens.