title: Individuals with IgG4-related disease do not have an increased frequency of the K409 variant of IgG4 that compromises Fab-arm exchange.
authors.affiliation: Center for Cancer Research, Massachusetts General Hospital;
authors.forename: Maimuna
authors.initials: M
authors.lastname: Ahmad
authors.forename: Vinay S
authors.initials: VS
authors.lastname: Mahajan
authors.forename: Hamid
authors.initials: H
authors.lastname: Mattoo
authors.forename: John H
authors.initials: JH
authors.lastname: Stone
authors.forename: Shiv
authors.initials: S
authors.lastname: Pillai
mesh_terms: D001327:Autoimmune Diseases / Q000235:genetics*; D005838:Genotype; D006801:Humans; D007140:Immunoglobulin Fab Fragments / Q000235:genetics; D007074:Immunoglobulin G / Q000235:genetics*; D020641:Polymorphism, Single Nucleotide
chemical_list: D007140:Immunoglobulin Fab Fragments; D007074:Immunoglobulin G