PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6887257-1 1983 The Fe fragment of a gamma 2b murine monoclonal anti-p-azophenylarsonate antibody (R19.9, IgG2b, kappa) has been crystallized. Iron 4-6 immunoglobulin heavy constant gamma 2B Mus musculus 21-29 6887257-1 1983 The Fe fragment of a gamma 2b murine monoclonal anti-p-azophenylarsonate antibody (R19.9, IgG2b, kappa) has been crystallized. Iron 4-6 immunoglobulin heavy constant gamma 2B Mus musculus 90-95