PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12486163-6 2002 We also show, using a Drosophila S2 cell adhesion assay, that the C121W mutation disrupts beta1-beta1 homophilic cell adhesion, suggesting that the mutation may alter the ability of beta1 to mediate protein-protein interactions critical for sodium channel localization. Sodium 241-247 anon-A1 Drosophila melanogaster 90-95