11958
A single nucleotide polymorphism ( SNP ) in exon 2 , which is tightly liked to another SNP ( GTG83 / ATG83 ) , creates an additional alternative in - frame AUG in B - type MTH1 mRNAs yielding the fourth MTH1 polypeptide , p26 that possesses an additional mitochondrial targeting signal .
 B - type MTH1 mRNAs, MTH1 polypeptide, p26
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 B - type MTH1 mRNAs, MTH1 polypeptide, p26