tokens: It contains a number of structural motifs , including Src homology 2 , Src homology 3 , and pleckstrin homology domains and a putative guanine nucleotide exchange domain .
folded_tokens: it contains a number of structural motifs , including src homology 2 , src homology 3 , and pleckstrin homology domains and a putative guanine nucleotide exchange domain .
labels: O O O O O B-protein_substructure I-protein_substructure O O B-protein_domain_or_region I-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 B-protein_domain_or_region I-protein_domain_or_region I-protein_domain_or_region O O B-protein_domain_or_region I-protein_domain_or_region I-protein_domain_or_region I-protein_domain_or_region I-protein_domain_or_region O