3870
Gene GPR 51 was localized by radiation hybrid mapping to chromosome 9 , 4 . 81 cR from the WI - 8684 marker , and proximal to the hereditary sensory neuropathy type 1 locus .
 GENE: Gene GPR 51; GENE: hereditary sensory neuropathy type 1 locus
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: Gene GPR 51; GENE: hereditary sensory neuropathy type 1 locus