Immunogenic and antigenic epitopes of immunoglobulins. VIII. A human monoclonal rheumatoid factor having specificity for a discontinuous epitope determined by histidine/arginine interchange as residue 435 of immunoglobulin G

Royston Jefferis*, M. Iskandar Nik Jaafar, Michael Steinitz

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

34 Scopus citations

Abstract

A monoclonal human rheumatoid factor (RF-AN) reactive with human Fcγ is shown to recognise a discontinuous epitope dependent on the presence of histidine (His) at residue 435. RF-AN is not reactive with IgG1 paraproteins having Cγ2 or Cγ3 domain deletions or IgG3m (5) or IgG3m (21) proteins having arginine (Arg) at residue 435. RF-AN is reactive with IgG1, 2, 4 and IgG3m (15,16) proteins having histidine at 435.

Original languageEnglish
Pages (from-to)191-194
Number of pages4
JournalImmunology Letters
Volume7
Issue number4
DOIs
StatePublished - 1984
Externally publishedYes

Keywords

  • IgG isotopes
  • monoclonal antibodies
  • monoclonal rheumatoid factor

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