7348
A single protease - resistant structure formed by the entirety of both PDZ repeats 1 and 2 ( PDZ1 - 2 ) contains the protein 4 . 1 - binding site .
 GENE: PDZ repeats 1 and 2; GENE: PDZ1 - 2; GENE: protein 4 . 1 - binding site
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities: PDZ repeats 1 and 2, PDZ1 - 2, protein 4 . 1 - binding site 
Answer:
 GENE: PDZ repeats 1 and 2; GENE: PDZ1 - 2; GENE: protein 4 . 1 - binding site