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Open AccessDifferent amounts of protein-bound citrulline and homocitrulline in foot joint tissues of a patient with anti-citrullinated protein antibody positive erosive rheumatoid arthritis
Antibodies binding to citrullinated proteins are a frequent finding in rheumatoid arthritis patients and may precede the onset of clinical symptoms several years. The antibodies are a predisposing factor for b...
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Homocitrulline: An Analog and Confounder Related to Citrulline
A structural homolog to citrulline, homocitrulline, can be present in proteins and peptides as a product of posttranslational modification. Homocitrulline is formed nonenzymatically from lysine residues in the...