>|IgA FC receptor(B6C) KAGLDQEIQEHVKKETSSEENTQKVDEHYANSLQNLAQKSLEELDKATTNEQATQVKNQFLENAQKLKEIQPLIKETNVKLYKAMSESLEQVEKELKHNSEANLEDLVAKSKEIVREYEGKLNQSKNLPELKQLEEEAHSKLKQVVEDFRKKFKTSEQVTPKKRVKRDLAA