PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22628489-3 2012 Among them, a functional FCGR2A polymorphism leading to amino acid change of histidine (H) to arginine (R) at position 131 appears to be a major candidate in adult invasive pneumococcal diseases (IPDs). Histidine 77-86 Fc gamma receptor IIa Homo sapiens 25-31