YOL042W NGL1 SGDID:S000005402, Chr XV from 249825-250916, Genome Release 64-1-1, Verified ORF, "Putative endonuclease, has a domain similar to a magnesium-dependent endonuclease motif in mRNA deadenylase Ccr4p; the authentic, non-tagged protein is detected in highly purified mitochondria in high-throughput studies"