10355
[ ( 3 ) H ] AziPm binds at three sites within the nAChR transmembrane domain : ( i ) an intrasubunit site in the delta subunit helix bundle , photolabeling in the nAChR desensitized state ( + agonist ) delta M2 - 18 ' and two residues in delta M1 ( delta Phe - 232 and delta Cys - 236 ) ; ( ii ) in the ion channel , photolabeling in the nAChR resting , closed channel state ( - agonist ) amino acids in the M2 helices ( alpha M2 - 6 ' , beta M2 - 6 ' and - 13 ' , and delta M2 - 13 ' ) that line the channel lumen ( with photolabeling reduced by > 90 % in the desensitized state ) ; and ( iii ) at the gamma - alpha interface , photolabeling alpha M2 - 10 ' .
 Chemical: [ ( 3 ) H ] AziPm; Chemical: delta Phe; Chemical: delta Cys; Chemical: amino acids
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
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Answer:
 Chemical: [ ( 3 ) H ] AziPm; Chemical: delta Phe; Chemical: delta Cys; Chemical: amino acids