Twenty-two differences from the human sequence were found in the N-terminal region ( amino acids 1-421 ) of the squirrel monkey receptor .
twenty-two differences from the human sequence were found in the n-terminal region ( amino acids 1-421 ) of the squirrel monkey receptor .
O O O O O O O O O O B-protein_domain_or_region I-protein_domain_or_region O B-protein_domain_or_region I-protein_domain_or_region I-protein_domain_or_region O O O B-multi_cell I-multi_cell O O