About the Authors

Burcu Ayoglu

Affiliation Affinity Proteomics, SciLifeLab, School of Biotechnology, KTH Royal Institute of Technology, Stockholm, Sweden

Eszter Szarka

Affiliation Department of Immunology, Eötvös Loránd University, Budapest, Hungary

Krisztina Huber

Affiliation Department of Immunology, Eötvös Loránd University, Budapest, Hungary

Anita Orosz

Affiliation Department of Immunology, Eötvös Loránd University, Budapest, Hungary

Fruzsina Babos

Affiliation MTA-ELTE Research Group of Peptide Chemistry, Budapest, Hungary

Anna Magyar

Affiliation MTA-ELTE Research Group of Peptide Chemistry, Budapest, Hungary

Ferenc Hudecz

Affiliations MTA-ELTE Research Group of Peptide Chemistry, Budapest, Hungary, Department of Organic Chemistry, Eötvös Loránd University, Budapest, Hungary

Bernadette Rojkovich

Affiliation Department of Rheumatology, Polyclinic of the Hospitaller Brothers of St. John of God, Budapest, Hungary

Tamás Gáti

Affiliation Department of Rheumatology, Polyclinic of the Hospitaller Brothers of St. John of God, Budapest, Hungary

György Nagy

Affiliations Department of Rheumatology, Polyclinic of the Hospitaller Brothers of St. John of God, Budapest, Hungary, Department of Genetics, Cell and Immunobiology, Semmelweis University, Medical School, Budapest, Hungary

Jochen M. Schwenk

Affiliation Affinity Proteomics, SciLifeLab, School of Biotechnology, KTH Royal Institute of Technology, Stockholm, Sweden

Gabriella Sármay

Affiliation Department of Immunology, Eötvös Loránd University, Budapest, Hungary

József Prechl

Affiliations MTA-ELTE Immunology Research Group, Budapest, Hungary, Diagnosticum Ltd., Budapest, Hungary

Peter Nilsson

Contributed equally to this work with: Peter Nilsson, Krisztián Papp

pkrisz5@gmail.com (KP); peter.nilsson@scilifelab.se (PN)

Affiliation Affinity Proteomics, SciLifeLab, School of Biotechnology, KTH Royal Institute of Technology, Stockholm, Sweden

Krisztián Papp

Contributed equally to this work with: Peter Nilsson, Krisztián Papp

pkrisz5@gmail.com (KP); peter.nilsson@scilifelab.se (PN)

Affiliations Affinity Proteomics, SciLifeLab, School of Biotechnology, KTH Royal Institute of Technology, Stockholm, Sweden, MTA-ELTE Immunology Research Group, Budapest, Hungary

Competing Interests

J.P. is a paid employee of Diagnosticum Ltd. This does not alter the authors' adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: KP JP GS PN. Performed the experiments: KP BA ESZ KH AO FB AM FH. Analyzed the data: KP BA KH. Contributed reagents/materials/analysis tools: GYN BR TG. Wrote the paper: KP BA JMS PN JP.